Opensource and other Games | Multiplayer and Singleplayer | Try this: http://cataclysmdda.org/ | ♟️🃏🎰🕹️🥇🥈🥉🎮️🎲🀄️♠️ | gaming zocken spielen daddeln gamen

Discussions about the development of the calendar module for Thunderbird.

for students and researchers wanting to learn or promote open research practices at LMU and beyond

Puzzled by a profile, or want to learn more about using the Firefox Profiler? Share your profiles here and get help

Freedom not fear community chat: feel free to have your digital rights-related discussions, announcements etc. here! - https://freedomnotfear.org

A room for security analysts to share IOCs, latest threats etc.

Protocol Berg v2 is a summit focussing on protocol research, decentralized infrastructure, and core-developer experience. Jun 12-13, 2025, Berlin. https://protocol.berlin

For people that loves to hack in hackthebox.eu HTB and other competitive group CTF's specially team vs team https://lemmy.ml/c/hackthebox

Project showcases (AI-generated/AI-aided)

The mission of the Eclipse Oniro is the design, development, production and maintenance of an open source software platform, having an operating system, an ADK/SDK, standard APIs and basic applications, like UI, as core elements, targeting different industries thanks to a next-generation multi-kernel architecture, that simplifies the existing landscape of complex systems, and its deployment across…

Discuss anything related to Kubuntu and how you're using it. Loosely on-topic, feel free to share your Kubuntu-tangential TILs Support channel: #kubuntu-support:ubuntu.com Please follow the CoC: https://ubuntu.com/community/ethos/code-of-conduct

If you care too much about security and Gentoo, this is your place to talk about it. Bring your hard hats, it sometimes gets heated (please behave). (Unofficial)

Building the next internet. Decentralised ad-hoc wireless mesh communication - https://irde.st Join our Matrix space: https://matrix.to/#/#irdest:irde.st

Music: what everything is. Praxis: practiced ways of being. Let's learn how to use music to deal with the cosmos & whatever we're going through. A spot to learn how to freely make music and unlearn blocks to doing it.

Ubuntu Studio Support and Creativity Discussion | More help can be found in #support:ubuntu.com | Mostly active 17:00-22:30 UTC Mon-Fri | Supported releases: 26.04 LTS, 24.04 LTS | Please follow the CoC: https://ubuntu.com/community/ethos/code-of-conduct

Welcome to Oregon State University's Open Source Lab! This chat is bridged with our IRC.

General "off-topic" social hangout lounge open to everyone! / Chat whatever you want, whenever you like! Rules: 1. https://xkcd.com/2235/ 2. Avoid firing hot takes directly at a member. 3. Respect each other's sexual preferences, bending any way is forbidden. 4. No unsolicited bots, invites, or room links. 5. COMMON SENSE Since June 4, 2020

The Decentralized Monero-based Dex | Haveno mobile phone app currently on android Matrix space: #havenoapp:monero.social | https://github.com/atsamd21/Haveno-app

The official Matrix space for my projects - including Phoenix for Mozilla Firefox, Dove for Mozilla Thunderbird, and (WIP) Titanium for Chromium. Welcome!

General discussion around SchildiChat | Off-topic allowed to a certain degree | FAQ: https://schildi.chat/faq/

Work on music together! Post samples for each other to use! Don't criticize unless requested. Anything posted in here should be considered fair game to sample unless otherwise specified.

Welcome to Neko's Chat! This is the official group for announcements and casual chat. Stay updated on server news and enjoy light-hearted discussions with fellow members. Let's keep things friendly and fun! If you encounter any abuse, feel free to report it directly in this group.

Private Whisky Tasting Night, Friday the 10th of July 2026 at 19:00. £25 per person. Personally curated with homage to the Oh God of Hangovers @arvsood:glasgow.social who has kindly allowed me to pick bottles from my stash and pour you some hopefully tasty volatile hydroxyl compounds. Get your arse along. Sláinte! https://livepokerevents.co.uk/whisky/

shop, swap, and give away your wares! this room is mostly for people in & around the Twin Cities (if not, you can discuss it in private messages pls)

Fedora Chat room for Konflux-ci, an open source, cloud-native software factory focused on software supply chain security. https://konflux-ci.dev/

The room for all lugias and fans alike! Rules: Check the pinned message! Also make sure to check out our space! https://matrix.to/#/%23silverwing-beach_space:foxyden.eu #lugia #furry #pokemon

General chat about Phoebus and the EPICS Services, e.g., save-and-restore, olog, archiver appliance, channelfinder, etc.

Read or share live news that may be censored elsewhere. See also: #securemessagingapps:matrix.org XMPP: #news-uncensored#matrix.org@matrix.org

please only post if you are a cyberia operator and please keep it on-topic to our most pressing concerns that folks might want to follow (for more open chat about cyberia infrastructure, please use #services)

Norway-wide Nix/NixOS room: https://matrix.to/#/#no:nixos.org ! NEXT MEETUP: 22nd January 2026 @ https://www.meetup.com/oslo-nixos-user-group/events/312539978 Community for Nix and NixOS users in and around Oslo. Welcome, one and all! =D https://www.meetup.com/oslo-nixos-user-group Somewhere for Norwegian Nix/NixOS discussions to happen!