Element (formerly Riot and Vector) is a

free and open-source software Free and open-source software (FOSS) is software available under a license that grants users the right to use, modify, and distribute the software modified or not to everyone free of charge. FOSS is an inclusive umbrella term encompassing free ...

instant messaging Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involv ...

client implementing the

Matrix protocol Matrix (sometimes stylized as ''matrixor m '' for short) is an open standard and communication protocol for real-time communication. It aims to make real-time communication work seamlessly between different service providers, in the way that s ...

. Element supports

end-to-end encryption End-to-end encryption (E2EE) is a method of implementing a secure communication system where only communicating users can participate. No one else, including the system provider, telecom providers, Internet providers or malicious actors, can ...

, private and public groups, sharing of files between users, voice and video calls, and other collaborative features with help of bots and widgets. It is available as a

web application A web application (or web app) is application software that is created with web technologies and runs via a web browser. Web applications emerged during the late 1990s and allowed for the server to dynamically build a response to the request, ...

that can be accessed through any modern

web browser A web browser, often shortened to browser, is an application for accessing websites. When a user requests a web page from a particular website, the browser retrieves its files from a web server and then displays the page on the user's scr ...

, as desktop apps for

Windows Windows is a Product lining, product line of Proprietary software, proprietary graphical user interface, graphical operating systems developed and marketed by Microsoft. It is grouped into families and subfamilies that cater to particular sec ...

Mac Mac or MAC may refer to: Common meanings * Mac (computer), a line of personal computers made by Apple Inc. * Mackintosh, a raincoat made of rubberized cloth * Mac, a prefix to surnames derived from Gaelic languages * McIntosh (apple), a Canadi ...

, and

Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an kernel (operating system), operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically package manager, pac ...

, and as a mobile app for

Android Android most commonly refers to: *Android (robot), a humanoid robot or synthetic organism designed to imitate a human * Android (operating system), a mobile operating system primarily developed by Google * Android TV, a operating system developed ...

and

iOS Ios, Io or Nio (, ; ; locally Nios, Νιός) is a Greek island in the Cyclades group in the Aegean Sea. Ios is a hilly island with cliffs down to the sea on most sides. It is situated halfway between Naxos and Santorini. It is about long an ...

. Element changed its license from Apache 2.0 to

AGPLv3 The GNU Affero General Public License (GNU AGPL) is a free, copyleft license published by the Free Software Foundation in November 2007, and based on the GNU GPL version 3 and the ''Affero General Public License'' (non-GNU). It is intended for ...

and

GPLv3 The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was the first ...

with CLA and with a separate Element Commercial License.

History

Element was originally known as Vector when it was released from

beta Beta (, ; uppercase , lowercase , or cursive ; or ) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Ancient Greek, beta represented the voiced bilabial plosive . In Modern Greek, it represe ...

in 2016. The app was renamed to Riot in September of the same year. Riot

In 2016 the first implementation of the Matrix end-to-end encryption was implemented and rolled out as a beta to users. In May 2020, the developers announced enabling end-to-end encryption by default in Riot for new non-public conversations. In April 2019, a new application was released on the Google Play Store in response to

cryptographic key A key in cryptography is a piece of information, usually a string of numbers or letters that are stored in a file, which, when processed through a cryptographic algorithm In mathematics and computer science, an algorithm () is a finite sequenc ...

s used to sign the Riot Android app being compromised. In July 2020, Riot was renamed to Element. In January 2021, Element was briefly suspended from Google Play Store in response to a report of user-submitted abusive content on Element's default server, matrix.org. Element staff rectified the issue and the app was brought back to the Play Store. In May 2023,

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

's government banned 14 messaging apps, including Element. The ban was enacted on the recommendation of the Ministry of Home Affairs, citing terrorism in

Jammu and Kashmir Jammu and Kashmir may refer to: * Jammu and Kashmir (union territory), a region administered by India as a union territory since 2019 * Jammu and Kashmir (state), a region administered by India as a state from 1952 to 2019 * Jammu and Kashmir (prin ...

as the main cause.

Technology

Element is built with the Matrix React SDK, which is a

React REACT or React may refer to: Computing * React (software), a JavaScript library for building user interfaces from Facebook Inc (now Meta Platforms) ** React Native, a mobile application framework created by Facebook Inc (now Meta Platforms) * React ...

-based

software development kit A software development kit (SDK) is a collection of software development tools in one installable package. They facilitate the creation of applications by having a compiler, debugger and sometimes a software framework. They are normally specific t ...

to ease the development of

Matrix Matrix (: matrices or matrixes) or MATRIX may refer to: Science and mathematics * Matrix (mathematics), a rectangular array of numbers, symbols or expressions * Matrix (logic), part of a formula in prenex normal form * Matrix (biology), the m ...

clients. Element is reliant on web technologies and uses

Electron The electron (, or in nuclear reactions) is a subatomic particle with a negative one elementary charge, elementary electric charge. It is a fundamental particle that comprises the ordinary matter that makes up the universe, along with up qua ...

for bundling the app for

macOS macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...

and

. The Android and iOS clients are developed and distributed with their respective platform tools. On Android the app is available both in the

Google Play Store Google Play, also known as the Google Play Store, Play Store, or sometimes the Android Store (and was formerly Android Market), is a digital distribution service operated and developed by Google. It serves as the official app store for certifie ...

and the free-software only

F-Droid F-Droid is a free and open source app store and software repository for Android (operating system), Android, serving a similar function to the Google Play store. The main repository, hosted by the project, contains only free software, free and o ...

Archives, with minor modifications. For instance, the F-Droid version does not contain the proprietary

Google Cloud Messaging Google Cloud Messaging (GCM) was a mobile notification service developed by Google that enables third-party application developers to send notification data or information from developer-run servers to applications that target the Google Android ...

plug-in.

Features

Element is able to bridge other communications into the app via Matrix, including

IRC IRC (Internet Relay Chat) is a text-based chat system for instant messaging. IRC is designed for group communication in discussion forums, called '' channels'', but also allows one-on-one communication via private messages as well as chat ...

, Slack,

Telegram Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pi ...

Jitsi Meet Jitsi (from — "wires") is a collection of free and open-source software, free and open-source multiplatform Voice over IP, voice (VoIP), Video conference, video conferencing and instant messaging applications for the Web platform, Windows, Li ...

and others. Also, it integrates voice and video peer-to-peer and group chats via

WebRTC WebRTC (Web Real-Time Communication) is a free and open-source project providing web browsers and mobile applications with real-time communication (RTC) via application programming interfaces (APIs). It allows audio and video communication and ...

. Element supports

(E2EE) of both one-to-one and group chats.

Reception

Media compared Element to Slack,

WhatsApp WhatsApp (officially WhatsApp Messenger) is an American social media, instant messaging (IM), and voice-over-IP (VoIP) service owned by technology conglomerate Meta. It allows users to send text, voice messages and video messages, make vo ...

and other instant messaging clients. In 2017, German computer magazine Golem.de called Element (then Riot) and Matrix server "mature" and "feature-rich", but criticized its

key authentication /Config-authentication is used to solve the problem of authenticating the keys of a person (say "person A") that some other person ("person B") is talking to or trying to talk to. In other words, it is the process of assuring that the key of "perso ...

at the time to be not user-friendly for communicatees owning multiple devices. A co-founder of the project, Matthew Hodgson, assured the key verification process was a "placeholder" solution to work on. In 2020, Element added key cross-signing to make the verification process simpler, and enabled end-to-end encryption by default.

References

External links