Instant messaging

thumb|A virtual assistant chatbot thumb|The 1966 ELIZA chatbot

Snapchat is an American multimedia social media and instant messaging app and service developed by Snap Inc., originally Snapchat Inc. One of the principal features of the app are that pictures and messages, known as "Snaps", are typically only accessible for a brief period of time before their recipients can no longer access them. The app has evolved from originally focusing on person-to-person photo sharing to now showcasing users' "Stories" of 24 hours of chronological content, along with "Discover", letting brands show ad-supported short-form content. It also allows users to store photos i

Discord is an instant messaging and VoIP social platform that allows communication through voice calls, video calls, text messaging, and media. Communication can be private or in virtual communities called "servers". A server is a collection of persistent chat rooms and voice channels accessed by invitation links. Discord runs on Windows, macOS, Android, iOS, iPadOS, Linux, and in web browsers.

form of communication over the Internet

software framework for real-time collaborative editing online

messaging application developed by Google LLC

Romanized Arabic alphabet

Instant messaging software

series of documents released by WikiLeaks in 2017

Zimbra Collaboration, formerly known as the Zimbra Collaboration Suite (ZCS) before 2019, is a collaborative software suite that includes an email server and a web client.

Gajim is an instant messaging client for the XMPP protocol which uses the GTK toolkit. The name Gajim is a recursive acronym for "Gajim's a jabber instant messenger". Gajim runs on Linux, BSD, macOS, and Microsoft Windows. Released under the GPL-3.0-only license, Gajim is free software. A 2009 round-up of similar software on Tom's Hardware found version 0.12.1 "the lightest and fastest jabber IM client".

mobile application for instant messaging

cryptographic protocol for instant messaging providing forward secrecy and malleable encryption using 128-bit AES, 1536-bit Diffie–Hellman, and SHA-1

Mattermost is an open-source, self-hostable online chat service with file sharing, search, and third-party application integrations. It is designed as an internal chat for organisations and companies, and mostly markets itself as an open-source alternative to Slack and Microsoft Teams.

illustration used in electronic messaging, typically large

Zalo is a Vietnamese instant messaging multi-platform service developed by VNG Corporation. Zalo is also used in other countries outside of Vietnam, including the United States, Japan, South Korea, Australia, Germany, Myanmar and Singapore.

photo messaging application

Open Source, cross-platform IM client optimized for businesses and organizations

thumb|Logo of OMEMO OMEMO is an extension to the Extensible Messaging and Presence Protocol (XMPP) for multi-client end-to-end encryption developed by Andreas Straub. According to Straub, OMEMO uses the Double Ratchet Algorithm "to provide multi-end to multi-end encryption, allowing messages to be synchronized securely across multiple clients, even if some of them are offline". The name "OMEMO" is a recursive acronym for "OMEMO Multi-End Message and Object Encryption". It is an open standard based on the Double Ratchet Algorithm and the Personal Eventing Protocol (PEP, XEP-0163). OMEMO offers

organization overseeing the XMPP network protocol

HipChat was a web service for internal private online chat and instant messaging. As well as one-on-one and group/topic chat, it also featured cloud-based file storage, video calling, searchable message-history and inline-image viewing. The software was available to download onto computers running Windows, Mac or Linux, as well as Android and iOS smartphones and tablets. Since 2014, HipChat used a freemium model, as much of the service was free with some additional features requiring organizations to pay per month. HipChat was launched in 2010 and acquired by Atlassian in 2012. In September 20

Android XMPP client

a collection of contact details

Status information in instant messaging

LivePerson is a global technology company that develops conversational commerce and AI software.

net2phone is a Cloud Communications provider offering cloud based telephony services to businesses worldwide. The company is a subsidiary of IDT Corporation.