225 relations: Adium, Adware, AIM (software), Algorithm, AmigaOS, AMSN, Android (operating system), AOL, Apache License, Apple Inc., Asynchronous communication, Audit, Ayttm, BitlBee, BlackBerry Limited, BlackBerry Messenger, BlackBerry OS, BlackBerry World, Bombus (software), Bonjour (software), Briar (software), Centericq, Cerulean Studios, Chat room, ChatSecure, Chromium (web browser), Client (computing), Client–server model, Climm, Coccinella (software), Commercial software, Comparison of instant messaging protocols, Comparison of Internet Relay Chat clients, Comparison of LAN messengers, Comparison of VoIP software, Compatibility layer, Conversations (software), Cryptocat, Debian, Decentralized computing, Digital Signature Algorithm, Discord (software), EBuddy, Echat, ElGamal encryption, Elliptic-curve cryptography, Emesene, Emoticon, Empathy (software), Emulator, ..., Encryption, End-of-life (product), End-to-end encryption, Facebook, Facebook Messenger, FaceTime, Federation (information technology), Fire (instant messaging client), FireChat, Firetalk, Flock (messaging service), Forward secrecy, Freedesktop.org, Freemium, Freeware, Gadu-Gadu, Gajim, GNU General Public License, GNU Lesser General Public License, Google, Google Allo, Google Chrome, Google Hangouts, Google Play, Google Talk, GroupWise, Haiku (operating system), Hike Messenger, Hookt, IBM, IBM Sametime, IChat, ICQ, Igor Magazinnik, IMessage, IMVU, Instant messaging, Instantbird, Internet Relay Chat, IOS, IP address, ITunes Store, Java Platform, Micro Edition, Jingle (protocol), Jitsi, Kadu (software), KakaoTalk, KDE Telepathy, Key size, Kik Messenger, Kopete, Libon (service), Line (software), Line Corporation, Linux, Linux distribution, List of Facebook features, List of SIP software, List of video telecommunication services and product brands, MacOS, Mail.Ru, Mark Spencer (computer engineer), MCabber, MeeGo, Meetro, Messages (Apple), Microsoft, Microsoft Windows, Miranda IM, MIT License, MobileMe, Multiple encryption, Mxit, Mysms, Myspace, Myspace IM, Naim (software), Nate (web portal), Network address translation, Nimbuzz, NTRUEncrypt, OAuth, Off-the-Record Messaging, Open Whisper Systems, Operating system, Orange S.A., Palringo, Paltalk, Passphrase, Pidgin (software), PlayStation Portable, PlayStation Vita, Plug-in (computing), Pretty Good Privacy, Project Athena, Proprietary software, Proxy server, Psi (instant messaging client), Public-key cryptography, Quiet Internet Pager, QuteCom, Remote computer, RetroShare, Ricochet (software), Right-to-left, Ring (software), RingID, RSA (cryptosystem), Session Initiation Protocol, Session key, Shareware, Sicher, Signal (software), SILC (protocol), Silent Circle (software), Skype, Skype for Business, Skype Technologies, Snapchat, Socialist millionaires, Software license, Software release life cycle, SOMA Messenger, Source code, Spark (XMPP client), Steam (software), Stream Control Transmission Protocol, Surespot, Symbian, Symmetric-key algorithm, Synchronous conferencing, Talmon Marco, Telegram (service), Telepathy (software), Tencent, Tencent QQ, TextSecure, The GNOME Project, Threema, Tkabber, Tor (anonymity network), Tox (protocol), Transmission Control Protocol, Transport layer, Transport Layer Security, Trillian (software), Tuenti, Twitter, Ubique (company), Unix-like, Upptalk, User Datagram Protocol, Viber, Video game console, WASTE, Web application, WebOS, WeChat, WhatsApp, Whiteboarding, Wickr, Will Harvey, Windows Live Messenger, Windows Messenger service, Windows Phone, Windows Phone Store, Wire (software), Wire Swiss, Xbox 360, Xbox One, Xfire, XMPP, Yahoo!, Yahoo! Messenger, Zephyr (protocol). Expand index (175 more) » « Shrink index
Adium is a free and open source instant messaging client for macOS that supports multiple IM networks, including Windows Live Messenger, Yahoo! Messenger, Google Talk, AIM, ICQ and XMPP.
Adware, or advertising-supported software, is software that generates revenue for its developer by automatically generating online advertisements in the user interface of the software or on a screen presented to the user during the installation process.
AIM (AOL Instant Messenger) was an instant messaging and presence computer program created by AOL, which used the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time.
In mathematics and computer science, an algorithm is an unambiguous specification of how to solve a class of problems.
AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers.
aMSN is a free Windows Live Messenger clone.
Android is a mobile operating system developed by Google, based on a modified version of the Linux kernel and other open source software and designed primarily for touchscreen mobile devices such as smartphones and tablets.
AOL (formerly a company known as AOL Inc., originally known as America Online, and stylized as Aol.) is a web portal and online service provider based in New York.
The Apache License is a permissive free software license written by the Apache Software Foundation (ASF).
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
In telecommunications, asynchronous communication is transmission of data, generally without the use of an external clock signal, where data can be transmitted intermittently rather than in a steady stream.
An audit is a systematic and independent examination of books, accounts, statutory records, documents and vouchers of an organization to ascertain how far the financial statements as well as non-financial disclosures present a true and fair view of the concern.
Ayttm (pronounced "item" or "A-Y-T-T-M") is a multi-protocol instant messaging client.
BitlBee is a cross-platform IRC instant messaging gateway, licensed under the terms of the GNU General Public License.
BlackBerry Limited is a Canadian multinational company specializing in enterprise software and the Internet of things.
BlackBerry Messenger, also known as BBM, is a proprietary Internet-based instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice calls between BlackBerry, iOS, Android, and Windows Mobile users.
BlackBerry OS is a proprietary mobile operating system developed by BlackBerry Limited for its BlackBerry line of smartphone handheld devices.
BlackBerry World (previously BlackBerry App World) is an application distribution service and application by BlackBerry Limited for a majority of BlackBerry devices.
Bombus is a GPL instant messaging client for the XMPP protocol.
Bonjour is Apple's implementation of zero-configuration networking (zeroconf), a group of technologies that includes service discovery, address assignment, and hostname resolution.
Briar is an open-source software mesh networking technology, intended to provide secure and resilient peer-to-peer communications with no centralized servers and minimal reliance on external infrastructure.
Centericq is a text mode menu- and window-driven instant messaging interface that supports the ICQ, Yahoo!, AIM, MSN, IRC, XMPP, LiveJournal, and Gadu-Gadu protocols.
Cerulean Studios is a software house based in Connecticut, United States, notable for developing Trillian, an instant messaging client.
The term chat room, or chatroom, is primarily used to describe any form of synchronous conferencing, occasionally even asynchronous conferencing.
ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.
Chromium is an open-source Web browser project started by Google, to provide the source code for the proprietary Google Chrome browser.
A client is a piece of computer hardware or software that accesses a service made available by a server.
The client–server model is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients.
climm (previously mICQ) is a free CLI-based instant messaging client that runs on a wide variety of platforms, including AmigaOS, BeOS, Windows (using either Cygwin or MinGW), OS X, NetBSD/OpenBSD/FreeBSD, Linux, Solaris, HP-UX, and AIX.
Coccinella (from the Latin "coccinella", ladybird) is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.
Commercial software, or seldom payware, is computer software that is produced for sale or that serves commercial purposes.
The following is a comparison of instant messaging protocols.
The following tables compare general and technical information between a number of IRC client programs which have been discussed in independent published literature.
The following tables compare general and technical information for a number of LAN messengers.
This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks.
In software engineering, a compatibility layer is an interface that allows binaries for a legacy or foreign system to run on a host system.
Conversations is a free instant messaging client for Android.
Cryptocat is an open source desktop application intended to allow encrypted online chatting available for Windows, OS X, and Linux.
Debian is a Unix-like computer operating system that is composed entirely of free software, and packaged by a group of individuals participating in the Debian Project.
Decentralized computing is the allocation of resources, both hardware and software, to each individual workstation, or office location.
The Digital Signature Algorithm (DSA) is a Federal Information Processing Standard for digital signatures.
Discord is a proprietary freeware voice-over-Internet Protocol (VoIP) application designed for gaming communities, that specializes in text and audio communication between users in a chat channel.
eBuddy is a privately held Dutch software company that offers instant messaging services.
Echat (Amharic acronym for 'Ethiopian Oppressed People's Revolutionary Struggle') was a communist organization in Ethiopia.
In cryptography, the ElGamal encryption system is an asymmetric key encryption algorithm for public-key cryptography which is based on the Diffie–Hellman key exchange.
Elliptic-curve cryptography (ECC) is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields.
emesene was an open source instant messaging client designed for use with Microsoft Messenger service.
An emoticon (rarely pronounced) is a pictorial representation of a facial expression using characters—usually punctuation marks, numbers, and letters—to express a person's feelings or mood, or as a time-saving method.
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols.
In computing, an emulator is hardware or software that enables one computer system (called the host) to behave like another computer system (called the guest).
In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.
"End-of-life" (EOL) is a term used with respect to a product supplied to customers, indicating that the product is in the end of its useful life (from the vendor's point of view), and a vendor stops marketing, selling, or rework sustaining it.
End-to-end encryption (E2EE) is a system of communication where only the communicating users can read the messages.
Facebook is an American online social media and social networking service company based in Menlo Park, California.
Facebook Messenger (sometimes known as Messenger) is a messaging app and platform.
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime is available on supported iOS mobile devices and Macintosh computers that run and later.
A federation is a group of computing or network providers agreeing upon standards of operation in a collective fashion.
Fire is an instant messaging client for Mac OS X (previously for OPENSTEP), that can access IRC, XMPP, AIM, ICQ, Microsoft, Yahoo!, and Bonjour.
FireChat is a proprietary mobile app, developed by Open Garden, which uses wireless mesh networking to enable smartphones to connect via Bluetooth, Wi-Fi, or Apple’s Multipeer Connectivity Framework without an internet connection by connecting peer-to-peer.
Firetalk was an always-on interactive video platform that allowed content creators to engage with and monetize their audiences.
Flock is a messaging and collaboration tool, founded by tech entrepreneur Bhavin Turakhia in 2014.
In cryptography, forward secrecy (FS), also known as perfect forward secrecy (PFS), is a feature of specific key agreement protocols that gives assurances your session keys will not be compromised even if the private key of the server is compromised.
freedesktop.org (fd.o) is a project to work on interoperability and shared base technology for free software desktop environments for the X Window System (X11) on Linux and other Unix-like operating systems.
Freemium is a pricing strategy by which a product or service (typically a digital offering or an application such as software, media, games or web services) is provided free of charge, but money (premium) is charged for additional features, services, or virtual goods.
Freeware is software that is available for use at no monetary cost.
Gadu-Gadu (Polish for "chit-chat"; commonly known as GG or gg) is a Polish instant messaging client using a proprietary protocol.
Gajim is an instant messaging client for the XMPP protocol which uses the GTK+ toolkit.
The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end users the freedom to run, study, share and modify the software.
The GNU Lesser General Public License (LGPL) is a free software license published by the Free Software Foundation (FSF).
Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.
Google Allo is an instant messaging mobile app by Google for the Android and iOS mobile operating systems, with a web client available on Google Chrome, Mozilla Firefox, and Opera.
Google Chrome is a freeware web browser developed by Google LLC.
Google Hangouts is a communication platform developed by Google which includes messaging, video chat, SMS and VOIP features.
Google Play (previously Android Market) is a digital distribution service operated and developed by Google.
Google Talk (also known as Google Chat) is an instant messaging service that provides both text and voice communication.
GroupWise is a messaging and collaboration platform from Micro Focus that supports email, calendaring, personal information management, instant messaging, and document management.
Haiku is a free and open-source operating system compatible with the now discontinued BeOS.
Hike is India's first social and technology company.
Hookt is a proprietary, cross-platform instant messaging and social networking service for smartphones and select feature phones that use the internet for communication.
The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.
IBM Sametime (formerly IBM Lotus Sametime) is a client–server application and middleware platform that provides real-time, unified communications and collaboration for enterprises.
iChat (previously iChat AV) is a discontinued instant messaging software application developed by Apple Inc. for use on its Mac OS X operating system.
ICQ is an instant messaging client that was first developed and popularized by the Israeli company Mirabilis in 1996.
Igor Magazinnik is an Israeli-Belarusian entrepreneur and businessman of Jewish-Russian descent.
iMessage is an instant messaging service developed by Apple Inc. It is supported by the Messages application in iOS 5 and later and OS X Mountain Lion and later.
IMVU Inc., (stylized as imvu) is an online metaverse and website.
Instant messaging (IM) technology is a type of online chat that offers real-time text transmission over the Internet.
Instantbird is a cross-platform instant messaging client based on Mozilla's XULRunner and the open source library libpurple used in Pidgin.
Internet Relay Chat (IRC) is an application layer protocol that facilitates communication in the form of text.
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
The iTunes Store is a software-based online digital media store operated by Apple Inc. It opened on April 28, 2003, and has been the largest music vendor in the United States since April 2008, and the largest music vendor in the world since February 2010.
Java Platform, Micro Edition or Java ME is a computing platform for development and deployment of portable code for embedded and mobile devices (micro-controllers, sensors, gateways, mobile phones, personal digital assistants, TV set-top boxes, printers).
Jingle is an extension to the Extensible Messaging and Presence Protocol (XMPP) which adds peer-to-peer (P2P) session control (signaling) for multimedia interactions such as in Voice over IP (VoIP) or videoconferencing communications.
Jitsi Desktop (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application for Windows, Linux, Mac OS X and Android.
Kadu is a free and open source multi-platform instant messaging client that supports Gadu-Gadu, XMPP IM networks and other services based on XMPP like Google Talk.
KakaoTalk (Hangul: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
KDE Telepathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols.
In cryptography, key size or key length is the number of bits in a key used by a cryptographic algorithm (such as a cipher).
Kik Messenger, commonly called Kik, is a freeware instant messaging mobile app from the Canadian company Kik Interactive, available free of charge on iOS and Android operating systems.
Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation.
Libon is a voice over IP application developed for iOS and Android by Orange S.A.’s subsidiary, Orange Vallée.
Line (styled as LINE) is a freeware app for instant communications on electronic devices such as smartphones, tablet computers, and personal computers.
Line Corporation (stylized as LINE Corporation), located in Tokyo, is a Japanese subsidiary of the South Korean internet search giant Naver Corporation.
Linux is a family of free and open-source software operating systems built around the Linux kernel.
A Linux distribution (often abbreviated as distro) is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package management system.
Facebook is a social network service website launched on February 4, 2004.
This list of SIP software documents notable software applications which use Session Initiation Protocol (SIP) as a voice over IP (VoIP) protocol.
This list of video telecommunication services and product brands is for groupings of notable video telecommunication services, brands of videophones, webcams and video conferencing hardware and systems, all related to videotelephony for two-way communications with live video and audio.
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
Mail.Ru Group, ООО (commonly referred to as Mail.Ru) is a Russian Internet company.
Mark Spencer (born April 8, 1977) is an American computer engineer and is the original author of the GTK+-based instant messaging client Gaim (which has since been renamed to Pidgin), the L2TP daemon l2tpd and the Cheops Network User Interface.
MCabber is a free software client for the instant messaging protocol XMPP with a text user interface based on ncurses.
MeeGo is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin (produced by Intel) and Maemo (produced by Nokia).
Meetro was a multi-network social messenger with location-based services (LBS).
Messages is an instant messaging software application developed by Apple Inc. for its macOS, iOS and watchOS operating systems.
Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.
Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.
Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.
The MIT License is a permissive free software license originating at the Massachusetts Institute of Technology (MIT).
MobileMe (iTools before 2002;.Mac before 2008) is a subscription-based collection of online services and software offered by Apple Inc. All services were being gradually transitioned and replaced by iCloud and the service ceased as of June 30, 2012, with transfers to iCloud available until July 31, 2012.
Multiple encryption is the process of encrypting an already encrypted message one or more times, either using the same or a different algorithm.
Mxit (pronounced "mix it") was a free instant messaging application developed by Mxit (Pty) Ltd.
mysms is a cross-platform text messaging service, based on Short Message Service (SMS), for smartphones, tablet computers, and laptop and desktop personal computers.
Myspace (stylized as MySpace) is a social networking website offering an interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music, and videos.
MySpaceIM was the official instant messaging client for the social networking site MySpace.
naim is a messaging and chat program written by Daniel Reed in C; it supports the protocols AIM, ICQ, IRC, and RPI's protocols.
Nate is a South Korean web portal, developed by SK Communications.
Network address translation (NAT) is a method of remapping one IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device.
Nimbuzz is a proprietary cross-platform instant messaging aggregator for smartphones, tablets and personal computers developed by MSM Global Holdings Limited.
The NTRUEncrypt public key cryptosystem, also known as the NTRU encryption algorithm, is a lattice-based alternative to RSA and ECC and is based on the shortest vector problem in a lattice (which is not known to be breakable using quantum computers).
OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.
Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations.
Open Whisper Systems (abbreviated OWS) is a software organization that was founded by Moxie Marlinspike in 2013.
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
Orange S.A., formerly France Télécom S.A., is a French multinational telecommunications corporation.
Palringo is a community-oriented messaging and gaming app for Windows, OS X, iOS and Android.
Paltalk is a proprietary video group chat service that enables users to communicate via video, internet chat and voice.
A passphrase is a sequence of words or other text used to control access to a computer system, program or data.
Pidgin (formerly named Gaim) is a free and open-source multi-platform instant messaging client, based on a library named libpurple that has support for many instant messaging protocols, allowing the user to simultaneously log into various services from one application.
The PlayStation Portable (PSP) is a handheld game console developed by Sony Computer Entertainment.
The PlayStation Vita (officially abbreviated PS Vita or Vita) is a handheld game console developed and released by Sony Computer Entertainment.
In computing, a plug-in (or plugin, add-in, addin, add-on, addon, or extension) is a software component that adds a specific feature to an existing computer program.
Pretty Good Privacy (PGP) is an encryption program that provides cryptographic privacy and authentication for data communication.
Project Athena was a joint project of MIT, Digital Equipment Corporation, and IBM to produce a campus-wide distributed computing environment for educational use.
Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.
In computer networks, a proxy server is a server (a computer system or an application) that acts as an intermediary for requests from clients seeking resources from other servers.
Psi is a free instant messaging client for the XMPP protocol (including such services as Google Talk) which uses the Qt toolkit.
Public-key cryptography, or asymmetric cryptography, is any cryptographic system that uses pairs of keys: public keys which may be disseminated widely, and private keys which are known only to the owner.
QIP (an acronym for Quiet Internet Pager) is a multiprotocol instant messaging client.
QuteCom (previously called WengoPhone) is a free-software SIP-compliant VoIP client developed by the QuteCom (previously OpenWengo) community under the GNU General Public License (GPL).
A remote computer is a computer to which a user does not have physical access, but which he or she can access or manipulate via some kind of computer network.
RetroShare is an free and open-source peer-to-peer communication and file sharing app, based on a friend-to-friend network built on GNU Privacy Guard (GPG).
Ricochet or Ricochet IM is a free software, multi-platform, instant messaging software project originally developed by John Brooks and later adopted as the official instant messaging client project of the Invisible.im group.
In a right-to-left, top-to-bottom script (commonly shortened to right to left or abbreviated RTL), writing starts from the right of the page and continues to the left.
GNU Ring (formerly SFLphone) is a SIP-compatible softphone and SIP-based instant messenger for Linux, Microsoft Windows, OS X and Android.
ringID is a proprietary Social Networking platform which has been designed and developed by Ring Inc.
RSA (Rivest–Shamir–Adleman) is one of the first public-key cryptosystems and is widely used for secure data transmission.
The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions in applications of Internet telephony for voice and video calls, in private IP telephone systems, as well as in instant messaging over Internet Protocol (IP) networks.
A session key is a single-use symmetric key used for encrypting all messages in one communication session.
Shareware is a type of proprietary software which is initially provided free of charge to users, who are allowed and encouraged to make and share copies of the program.
Sicher (German language word meaning "safe", "secure" or "certain") is a freeware instant messaging application for iOS, Android, and Windows Phone.
Signal is an encrypted communications app for Android and iOS.
SILC (Secure Internet Live Conferencing protocol) is a protocol that provides secure synchronous conferencing services (very much like IRC) over the Internet.
Silent Circle SA is an encrypted communications firm based in Le Grand-Saconnex, Switzerland.
Skype is a telecommunications application software product that specializes in providing video chat and voice calls between computers, tablets, mobile devices, the Xbox One console, and smartwatches via the Internet and to regular telephones.
Skype for Business (formerly Microsoft Office Communicator and Microsoft Lync) is an instant messaging client used with Skype for Business Server or with Skype for Business Online (available with Microsoft Office 365).
Skype Technologies S.A.R.L (also known as Skype Software S.A.R.L, Skype Communications S.A.R.L, Skype Inc., and Skype Limited) is a telecommunications company headquartered in Luxembourg City, Luxembourg and Palo Alto, CA, United States, whose chief business is the manufacturing and marketing of the video chat and instant messaging computer software program Skype, and various Internet telephony services associated with it.
Snapchat is a multimedia messaging app used globally, created by Evan Spiegel, Bobby Murphy, and Reggie Brown, former students at Stanford University, and developed by Snap Inc., originally Snapchat Inc.
In cryptography, the socialist millionaire problem is one in which two millionaires want to determine if their wealth is equal without disclosing any information about their riches to each other.
A software license is a legal instrument (usually by way of contract law, with or without printed material) governing the use or redistribution of software.
A software release life cycle is the sum of the stages of development and maturity for a piece of computer software: ranging from its initial development to its eventual release, and including updated versions of the released version to help improve software or fix software bugs still present in the software.
SOMA Messenger is a cross-platform instant messaging and communication application that specializes in video calls and voice calls for smartphones.
In computing, source code is any collection of code, possibly with comments, written using a human-readable programming language, usually as plain text.
Spark is an open-source instant messaging program (based on XMPP protocol) that allows users to communicate via text in real time.
Steam is a digital distribution platform developed by Valve Corporation, which offers digital rights management (DRM), multiplayer gaming, video streaming and social networking services.
The Stream Control Transmission Protocol (SCTP) is a computer networking communications protocol which operates at the transport layer and serves a role similar to the popular protocols TCP and UDP.
Surespot is an open source instant messaging application for Android and iOS.
Symbian is a discontinued mobile operating system (OS) and computing platform designed for smartphones.
Symmetric-key algorithms are algorithms for cryptography that use the same cryptographic keys for both encryption of plaintext and decryption of ciphertext.
Synchronous conferencing is the formal term used in computing, in particular in computer-mediated communication, collaboration and learning, to describe technologies informally known as online chat.
Talmon Marco is an Israeli-American entrepreneur, best known as the CEO and founder of Viber, a proprietary cross-platform instant messaging VoIP application for smartphones with over 400 million users, and Juno, a ride sharing service.
Telegram is a cloud-based instant messaging and voice over IP service developed by Telegram Messenger LLP, a privately held company registered in London, United Kingdom, founded by the Russian entrepreneur Pavel Durov.
Telepathy is a software framework which can be used to make software for interpersonal communications such as instant messaging, Voice over IP or videoconferencing.
Tencent Holdings Limited is a Chinese multinational investment holding conglomerate whose subsidiaries specialize in various Internet-related services and products, entertainment, artificial intelligence and technology both in China and globally.
Tencent QQ, also known as QQ, is an instant messaging software service developed by the Chinese company Shenzhen Tencent Computer System Co., Ltd..
TextSecure was a free and open-source encrypted messaging application for Android that was first released in May 2010.
The GNOME Project is a community behind the GNOME desktop environment and the software platform upon which it is based.
Threema is an end-to-end encrypted instant messaging application for iOS, Android and Windows Phone.
Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI.
Tor is free software for enabling anonymous communication.
Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.
The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.
In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet Protocol Suite and the OSI model.
Transport Layer Security (TLS) – and its predecessor, Secure Sockets Layer (SSL), which is now deprecated by the Internet Engineering Task Force (IETF) – are cryptographic protocols that provide communications security over a computer network.
Trillian is a proprietary multiprotocol instant messaging application for Microsoft Windows, Mac OS X, Linux, Android, iOS, BlackBerry OS, and the Web, created by Cerulean Studios.
Tuenti Technologies, S.L.U is a mobile virtual network operator (MVNO), that operates with the Tuenti brand, owned by Telefónica.
Twitter is an online news and social networking service on which users post and interact with messages known as "tweets".
In 1994 the company launched the first social-networking software, which included instant messaging, voice over IP, chat rooms, web-based events, collaborative browsing.
A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification.
Upptalk (formerly known as Yuilop,.) is a proprietary voice-over-IP service and software application that provides mobile phone numbers in the cloud and allows users to call or text any phone for free whether or not the device receiving the calls and texts has the Yuilop application.
In computer networking, the User Datagram Protocol (UDP) is one of the core members of the Internet protocol suite.
Viber is a cross-platform instant messaging and voice over IP (VoIP) application operated by Japanese multinational company Rakuten, provided as freeware for the Microsoft Windows, macOS, Linux, Android and iOS platforms.
A video game console is an electronic, digital or computer device that outputs a video signal or visual image to display a video game that one or more people can play.
WASTE is a peer-to-peer and friend-to-friend protocol and software application developed by Justin Frankel at Nullsoft in 2003 that features instant messaging, chat rooms, and file browsing/sharing capabilities.
In computing, a web application or web app is a client–server computer program which the client (including the user interface and client-side logic) runs in a web browser.
webOS, also known as LG webOS and previously known as Open webOS, HP webOS and Palm webOS, is a Linux kernel-based multitasking operating system for smart devices such as smart TVs and it has been used as a mobile operating system.
WeChat is a Chinese multi-purpose messaging, social media and mobile payment app developed by Tencent.
WhatsApp Messenger is a freeware and cross-platform messaging and Voice over IP (VoIP) service owned by Facebook.
Whiteboarding is the placement of shared files on an on-screen shared notebook or whiteboard.
Wickr is an American software company based in San Francisco.
Will Harvey (born 1967) is a software developer and Silicon Valley entrepreneur.
Windows Live Messenger (formerly MSN Messenger) is a discontinued instant messaging client developed by Microsoft for Windows, Xbox 360, Mac OS X, BlackBerry OS, iOS, Java ME, S60 on Symbian OS 9.x, and Zune HD.
Messenger service is a network-based system notification Windows service by Microsoft that was included in some earlier versions of Microsoft Windows.
Windows Phone (WP) is a family of discontinued mobile operating systems developed by Microsoft for smartphones as the replacement successor to Windows Mobile and Zune.
Windows Phone Store (previously Windows Phone Marketplace) is a former app store, developed by Microsoft for its Windows Phone.
Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss.
Wire Swiss GmbH is a software company headquartered in Zug, Switzerland.
The Xbox 360 is a home video game console developed by Microsoft.
Xbox One is a line of eighth generation home video game consoles developed by Microsoft.
Xfire (pronounced "X-Fire") was a proprietary freeware instant messaging service for gamers that also served as a game server browser with various other features.
Extensible Messaging and Presence Protocol (XMPP) is a communication protocol for message-oriented middleware based on XML (Extensible Markup Language).
Yahoo! is a web services provider headquartered in Sunnyvale, California and wholly owned by Verizon Communications through Oath Inc..
Yahoo! Messenger (sometimes abbreviated Y!M) is an advertisement-supported instant messaging client and associated protocol provided by Yahoo!.
Created at MIT, as part of Project Athena, Zephyr was designed as an instant messaging protocol and application-suite with a heavy Unix background.
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