BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.
- Web Conferencing Tool
- Free • Open Source
- Linux
- Online
- iPhone
- iPad
- Self-Hosted
- Software as a Service (SaaS)
- Ubuntu Server

BigBlueButton enables universities and colleges to deliver a high-quality learning experience to remote students.

ArcaneChat is a Delta Chat client and was created with a focus on usability, good user experience, and saving data plan. Also the app usually experiments with new features that eventually might get added to the official Delta Chat client.



Random video chat connects users globally via text, webcam, and microphone in a peer-to-peer setting with automatic filtering for obscene content.

Offers group video calls, voice calls, and instant messaging with photo sharing, real-time notifications, and location mapping for seamless connectivity.



Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.

Secure, private email with end-to-end encryption, no ads, tracking, or government surveillance, ensuring top-notch privacy under Belgium law.

The simplest open protocol that is able to create a censorship-resistant global "social" network once and for all.
Cross-platform XMPP client with customizable interface, encrypted chats (TLS, OpenPGP, OTR, OMEMO), file sharing, audio/video calls, and theme support.

Streamlabs Desktop is all you need for streaming! Our developers have combined a streamer's essentials like video preview, dashboard, and chat windows in one app with better video quality and lower CPU usage.

Powered by WebRTC, Real-time video call, chat room and screen sharing entirely browser based.

mIRC is a popular Internet Relay Chat client used by individuals and organizations to communicate, share, play and work with each other on IRC networks around the world.

A non-censored social platform where users are incentivized to contribute and curate content. The users decide what is valuable by voting, and content regarded valuable is rewarded with money.

Spacebar a free open source self-hostable chat, voice and video discord-compatible platform.

Slither is an online multiplayer game that meshes concepts from both Snake and Agar.io. Play against other people online! Can you become the biggest snake?

Fully self-hosted communication platform for audio, video, and chat with advanced encryption, metadata privacy, screensharing, and web conferencing features.

WeeChat is a free chat client, fast and light, designed for many operating systems. It is highly customizable and extensible with scripts.

In 2013, YouTube musician Jack Conte was looking for a solution to his problem: millions of people loved his videos, but only hundreds of dollars were hitting his bank account. This didn’t add up, so he drafted up an idea (hi, we’re Patreon) and brought it to his college...

Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.

LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones for free.



Dino is a modern open-source chat client for the desktop. It focuses on providing a clean and reliable Jabber/XMPP experience while having your privacy in mind. Using GTK+/Vala.

Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.



Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins.

Ripcord is a desktop chat client for group-centric services like Slack and Discord. It provides a traditional compact desktop interface designed for power users. It's not built on top of web browser technology: it responds quickly to input, sips gently from computer...

The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.

OpenTogetherTube lets you watch videos with your friends as easily as possible. It's completely open source, and able to be easily self-hosted via provided docker images.
