Active Matrix Rooms

Active Programming Matrix Rooms

Find 2782 active programming Matrix rooms and spaces. Matrix room search list — sorted by real-time message velocity. Updated live. We only count messages to measure activity — message content is never read, stored, or indexed.

2782 active rooms · sorted by message count · updated live · content never stored

#1

#general-bridged

This is the general chat room of The Cozy Nook, a Matrix space made for people who are interested in technology and technology-related things, such as: Linux distributions, software development and ne

218 msg/hr 253 members vietexa.com
#2

Matrix HQ

The Official Matrix HQ - chat about Matrix here! | https://matrix.org | https://spec.matrix.org | To support Matrix.org development: https://donorbox.org/keep-matrix-exciting | Code of Conduct: https:

124 msg/hr 6,765 members matrix.org
#3

Embassy

Welcome to the Embassy matrix channel! -- Next-gen async embedded Rust framework -- https://embassy.dev -- https://github.com/embassy-rs/embassy

97 msg/hr 2,479 members matrix.org
#4

Linux

🇺🇦🇪🇺 | Talk about the GNU/HURD/Linux operating system and related stuff | be sensible, have nice discussions :) | oh, and https://dontasktoask.com | try not to become a help vampire, we have banhammer

63 msg/hr 1,464 members envs.net
#5

debian-devel

59 msg/hr 590 members matrix.debian.social
#6

Plasma Development

Place for developers to work on KDE Plasma. Users should discuss topics in #kde:kde.org or https://discuss.kde.org Bugs should be reported using https://bugs.kde.org

50 msg/hr 2,725 members calitabby.net
#7

Jellyfin Vue

Development discussion for Jellyfin Vue, an alternative web client for Jellyfin. See the space for more rooms: #jellyfinorg:matrix.org

48 msg/hr 4,912 members matrix.org
#8

Jellyfin iOS Development

Development discussion of Jellyfin clients for iOS, iPadOS, macOS, and tvOS. See the space for more rooms: #jellyfinorg:matrix.org

36 msg/hr 5,421 members matrix.org
#9

Index Error

Off-topic conversations for array programming forums

24 msg/hr 914 members matrix.org
#10

Fractal

Matrix messaging app | Available from https://flathub.org/apps/org.gnome.Fractal | Development at https://gitlab.gnome.org/World/fractal

24 msg/hr 2,063 members matrix.org
#11

#linux-sunxi

Allwinner/sunxi development - Did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait for an answer! - This channel is logged at https://oftc.catirclogs.org/linu

15 msg/hr 266 members matrix.org
#12

#xfce-commits

Xfce commits and merges | Support in #xfce | Development in #xfce-dev | https://gitlab.xfce.org

15 msg/hr 63 members matrix.org
#13

Software Development

Discussions about flight sim coding, development tools and best practices, though we tangentially touch on non-flight-sim-related topics as well.

14 msg/hr 196 members hotstart.net
#14

Cabal and Hackage

Cabal and Hackage development questions and needs | Contribute on https://github.com/haskell/cabal and https://github.com/haskell/hackage-server/ | List of weird Cabal CI failures: https://docs.google

12 msg/hr 171 members matrix.org
#15

Cuprate

Cuprate is an upcoming experimental, modern and secure Rust Monero node. This channel is about general and development related discussions of the project

5.5 msg/hr 202 members monero.social
#16

#openstack-nova

This channel is for Nova development | Development-planning: https://etherpad.opendev.org/p/nova-2026.2-status | PTG doc: https://etherpad.opendev.org/p/nova-2026.2-ptg | This channel is logged at ht

4.0 msg/hr 209 members matrix.org
#17

FOSS on MediaTek MT6735

Running free and open-source software on Mediatek MT6735 devices throughout the boot chain and the OS. Mainline U-Boot and Linux porting take place here. | Where it all started: https://github.com/arz

3.2 msg/hr 133 members matrix.org
#18

орехус-клаб

Масонская лоджия. Тайный Орден общего назначения. Здесь общаются на любые темы кроме острых политических. Делятся своими мыслями, планами, творческими позывами, бесполезными ссылками и опытом использ

2.8 msg/hr 695 members unredacted.org
#19

postmarketOS mainline

Mainlining Linux phones/tablets | Note: Only for mainline kernel development! Discuss downstream/vendor kernel device porting in #porting:postmarketos.org

2.7 msg/hr 837 members postmarketos.org
#21

AWCY?- The Waiting Room

*Public* Join themcnv mmcommunityx. +awcywaitingroom:matrix.org. Welcome to the artists waiting rooms. DON'T change your default messages setting, nobody will be able to read them if you do change th

2.3 msg/hr 5,586 members matrix.org
#22

SC7280 Mainline

SC7280/SM7325/QCM6490 mainline development

2.2 msg/hr 71 members postmarketos.org
#24

/r/Roms General

NO POLITICS - Resurrection of /r/ROMs Matrix Chat for Reddit https://r-roms.gitlab.io/ Be sure to read the rules here: https://r-roms.pages.dev/misc/rules/ Related rooms: #roms-space:matrix.org

1.8 msg/hr 7,948 members matrix.org
#25

CentOS Cloud SIG

https://etherpad.opendev.org/p/centos-cloud-sig

1.8 msg/hr 60 members fedoraproject.org
#26

asahi-dev

1.7 msg/hr 406 members matrix.debian.social
#27

PrivSec.dev — Practical Privacy & Security

Technical discussions only. No politics (except strictly related to privacy and security), no conspiracy theories, no "backdoored because proprietary". Any claim of malware/spyware must be backed up w

1.7 msg/hr 460 members arcticfoxes.net
#28

NSS

Development of NSS and NSPR . https://wiki.mozilla.org/NSS:Release_Versions http://nss-crypto.org, https://treeherder.mozilla.org/#/jobs?repo=nss

1.7 msg/hr 167 members mozilla.org
#29

postmarketOS devel

postmarketOS, pmbootstrap and tools development | 🏳️‍🌈🏳️‍⚧️ all are welcome

1.5 msg/hr 508 members postmarketos.org
#30

LCD Porto

O Laboratório de Criação Digital é um espaço dedicado à criatividade, experimentação e à colaboração nas artes digitais e multimédia. https://lcdporto.org/ https://chat.whatsapp.com/LKGPxhkn51wD9XK4A

1.3 msg/hr 198 members lcdporto.org
#31

Zuul

Discussion of the project gating system Zuul | Website: https://zuul-ci.org/ | Docs: https://zuul-ci.org/docs/ | Source: https://opendev.org/zuul | Room logs: https://meetings.opendev.org/irclogs/%23z

1.3 msg/hr 420 members opendev.org
#32

Luanti dev irc

Luanti (fka Minetest) core development and maintenance. Chit-chat goes to #luanti | https://dev.luanti.org/ https://irc.luanti.org/ https://github.com/luanti-org

1.0 msg/hr 60 members matrix.org
#33

OpenDev

#opendev OpenDev is a space for collaborative Open Source software development | https://opendev.org/

1.0 msg/hr 117 members opendev.org
#34

postmarketOS porting

For device porting | Slow channel, just ask your question and wait for an answer (can take a while) :) | Get started here: https://wiki.postmarketos.org/wiki/Porting_to_a_new_device | Don't paste logs

1.0 msg/hr 1,128 members postmarketos.org
#36

#dri-devel

<ajax> nothing involved with X should ever be unable to find a bar

0.89 msg/hr 1,064 members matrix.org
#37

components releases

RSS subscription to components we use and provide as part of etke.cc & #mash-playbook:devture.com & #matrix-docker-ansible-deploy:devture.com Support us: https://github.com/sponsors/etkecc

0.83 msg/hr 55 members etke.cc
#38

#osm-dev

OpenStreetMap development

0.83 msg/hr 119 members matrix.org
#39

devlug-bot

IT Security Feeds: https://forum.opnsense.org/index.php?PHPSESSID=02aghbesc7c4embfb9d2qrr9hq&action=.xml;type=rss;board=11.0 https://matrix.org/blog/feed https://my.proxmox.com/en/announcements/rss ht

0.67 msg/hr 59 members tchncs.de
#40

Thunderbird Add-on Developers

Check out https://developer.thunderbird.net for information on how to build and update your add-on.

0.67 msg/hr 378 members mozilla.org
#41

KDE Development

Release Schedules: http://is.gd/H9mskw | Dev wiki: http://community.kde.org/ | Git: http://invent.kde.org | Newcomers, please read and follow the "Get involved" guide before asking questions here: htt

0.67 msg/hr 2,714 members kde.org
#42

microG

microG Project: https://microg.org/ (site currently down) and https://github.com/microg/ | Bridged with #microg on Libera.chat | Guide, tips: https://www.reddit.com/r/MicroG/wiki/index | We might be a

0.50 msg/hr 128 members matrix.org
#43

Haiku · Main

Open-source operating system that specifically targets personal computing. | https://haiku-os.org | Nightlies: https://download.haiku-os.org | Bugtracker: https://dev.haiku-os.org | SCM: https://git.h

0.50 msg/hr 595 members matrix.org
#44

GrapheneOS Development

Official GrapheneOS development chat room. Join the #community:grapheneos.org space for a list of all the rooms. Formerly known as CopperheadOS.

0.37 msg/hr 2,108 members grapheneos.org
#45

developers

Mozilla development (Firefox / Thunderbird / Gecko...). Want to get involved? Check #introduction:mozilla.org

0.33 msg/hr 3,219 members mozilla.org
#46

Ergo Development

High-level dev discussions and updates.

0.33 msg/hr 382 members matrix.ergonaut.space
#47

Element X Android

Discussions about Element X Android | https://play.google.com/store/apps/details?id=io.element.android.x | https://github.com/element-hq/element-x-android | Nightly builds: https://appdistribution.fir

0.19 msg/hr 2,579 members matrix.org
#48

red/red

Red Programming Language main room

0.17 msg/hr 1,062 members gitter.im
#49

Kemono

The Kemono Party: Official Chat for Kemono! Intended for development discussion and tech discussion.

0.17 msg/hr 58,085 members matrixrooms.info
#50

[Discord] Linux Gaming #gaming

Discuss about Linux games or games in general here, look for people to play with, share deals in games or news in game development... | https://matrix.to/#/#_discord_184802320565927936_330412938277945

0.17 msg/hr 2,424 members opensuse.org
#51

DCR Development

https://docs.decred.org/advanced/contributing/

0.17 msg/hr 328 members decred.org
#53

Monero Dev

Matrix .org users can not receive PM's / see messages from several home servers (including Monero .social). Please consider using a non-Matrix .org account Official repo: https://github.com/monero-pro

0.10 msg/hr 1,532 members monero.social
#54

#mash-playbook:devture.com

An Ansible playbook which lets you install various FOSS services on your own server: https://github.com/mother-of-all-self-hosting/mash-playbook | RSS feed room with upstream component releases: #comp

0.10 msg/hr 212 members devture.com
#55

The Apple Basement

Porting mainline kernel to Apple devices vulnerable to checkm8. A7-A11 (32 bit devices not supported) Current available devices for testing: A7: ✅️ A8: ✅️ A8X: ✅️ A9: ✅️ A9X: ✅️ A10: ✅️ A10X: ✅️ A1

0.10 msg/hr 157 members matrix.org
#56

MusicBrainz community

MusicBrainz Community | See #bookbrainz for BookBrainz and #metabrainz for development and other *Brainz’s | Channel is logged; see https://musicbrainz.org/doc/Communication/ChatBrainz for details

0.10 msg/hr 2,645 members chatbrainz.org
#57

Self-hosting | Security | Sysadmin | Homelab | Programming

Welcome to our chat channel dedicated to all things related to self-hosting, cyber security, system administration, and homelab discussions and support! Whether you're an experienced sysadmin, a cyber

0.09 msg/hr 438 members mozilla.org
#58

#debian-games

Help with packaging games for Debian | Join #debian for user support | About: https://wiki.debian.org/Games/Team | Email: https://lists.debian.org/debian-devel-games/

0.09 msg/hr 186 members matrix.org
#59

Luanti irc

The official Luanti channel | Latest version at https://www.luanti.org/en/downloads/ | General, player and modding discussion is on-topic. If in doubt, post here | Responses may take a while, be patie

0.09 msg/hr 74 members matrix.org
#60

BQN

The BQN array programming language, an APL descendant

0.09 msg/hr 1,174 members matrix.org
#61

BinDa Team

BinDa Team Raum, cyber4EDU.dev ViCo: https://bbb.cyber4edu.org/b/der-w4h-j8v-o9x WireFrame: https://www.figma.com/file/Igrrj2KNZpkX5yOV4lPhjo/BinDa

0.09 msg/hr 19 members matrix.cyber4edu.org
#62

Haskell

An advanced, purely functional programming language, haskell.org • spam ? call @mods • more rooms: #haskell-irc:matrix.org, #haskell-space:matrix.org • see also: joyful.com/Haskell+map, https://fossto

0.08 msg/hr 623 members matrix.org
#63

ListenBrainz

ListenBrainz Community | See #musicbrainz for MusicBrainz and #metabrainz for development

0.08 msg/hr 2,344 members chatbrainz.org
#64

KWin

Development and user support channel for KWin: http://community.kde.org/KWin Please use #kde:kde.org for general user questions; #kde-devel:kde.org for general KDE development topics, and #plasma-dev

0.08 msg/hr 377 members kde.org
#65

SunPy Development

A general room for more technical chat about the development of sunpy packages. Also a safe space for ranting.

0.08 msg/hr 62 members cadair.com
#67

YaST

#space:opensuse.org | Bridged with https://discord.gg/opensuse and ircs://irc.libera.chat:6697/#yast | YaST development channel https://yast.opensuse.org

0.08 msg/hr 1,859 members opensuse.org
#68

#cool-dev

GH: https://github.com/CollaboraOnline/online | https://meet.jit.si/COOLWeeklyMeeting | Docs: https://collaboraonline.github.io/ | https://sdk.collaboraonline.com/ | Forum/mailing list: https://forum.

0.08 msg/hr 459 members libera.chat
#70

Phoenix - General

General chat surrounding Phoenix. Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usa

0.08 msg/hr 72 members unredacted.org
#71

Ruma Development

https://github.com/ruma/ruma

0.08 msg/hr 94 members flipdot.org
#72

Nixpkgs / NixOS contributions

A room to propose and discuss Nixpkgs/NixOS changes. Use #review-requests:nixos.org for PRs in need of review.

0.08 msg/hr 1,298 members nixos.org
#73

Fedora Workstation Devel

Fedora Workstation (GNOME) developer room | Please use #fedora:fedoraproject.org for general help | Meeting: Every Tue 10:00 US Eastern, Meeting link: https://meet.google.com/jod-dkmw-ibd | Issue trac

0.08 msg/hr 640 members fedoraproject.org
#74

#xfce-dev

Developer chat for the Xfce desktop environment (https://xfce.org/) | #Xfce:matrix.org for user support | #xfce-commits:matrix.org for commit/MR/pipeline feed

0.08 msg/hr 350 members matrix.org
#75

Monero Portugal

[XMR PORTUGAL] || Bridge entre Libera, Matrix e SimpleX Chat || Web: https://getmonero.org || Preço/mercados: #monero-markets:monero.social || Dev: #monero-dev:monero.social || Trocas: #monero-otc ||

0.08 msg/hr 127 members monero.social
#76

#devlol

jeden Donnerstag ab 19:00 Hacknacht | powerdashboard: https://tb.mqtt.at/dashboard/8e670190-79b9-11ee-ba0d-f78243fd82bf?publicId=6f7f9c10-15d7-11ee-bbe2-874708661806

0.08 msg/hr 249 members devlol.org
#77

F-Droid Devs

#fdroid-dev F-Droid development discussion only | Use #fdroid:f-droid.org for general, app- and repo-related matters | Meetings: https://gitlab.com/fdroid/wiki/-/wikis/Weekly-Office-Hours | Room histo

0.08 msg/hr 191 members f-droid.org
#78

Mobian

Talks about the Mobian project https://mobian.org | Please be respectful: https://www.debian.org/code_of_conduct | Be aware this is a public room which can be logged and archived by anyone. For quest

0.08 msg/hr 2,496 members envs.net
#79

freenet

Community & Dev room | Freenet | Declare your digital independence | https://freenet.org/ | Keep it friendly, be welcoming to newbies, and stay on-topic

0.08 msg/hr 1,199 members matrix.org
#80

lugcast

https://linuxlugcast.com BBS: https://lugcastland.minnix.dev/vtx.html mumble server lugcast.minnix.dev port 64738 the next show notes: https://shownotes.lugcast.mywire.org/p/lugcast_292 jitsi server:

0.08 msg/hr 47 members minnix.dev
#81

qdmr

Programming software (CPS) for DMR radios https://dm3mat.darc.de/qdmr

0.08 msg/hr 92 members darc.de
#82

Lite XL

Discussion related to Lite XL usage and development.

0.08 msg/hr 1,477 members matrix.org
#83

Smithay

Dev & support room for the smithay crate: a toolbox for making Wayland compositor in Rust. -- https://smithay.github.io/

0.08 msg/hr 500 members safaradeg.net
#84

Fedora Build System

Warning! Planned Fedora Copr outage scheduled at 10th Dec 7:00 UTC Fedora COPR and build tools discussion channel |​ #fedora-releng for koji /​ fedora specific items |​ #fedora-devel for general quer

0.08 msg/hr 412 members fedoraproject.org
#85

Polkadot Developer Support

Discussion of development with the Polkadot SDK. No recruiting or asking for jobs allowed. Bridged to https://t.me/substratedevs

0.08 msg/hr 2,602 members matrix.org
#86

Thunderbird Desktop Developers

DESKTOP coders here; ANDROID/iOS at #tb-mobile-dev:mozilla.org || DESKTOP support at #thunderbird:mozilla.org or #openpgp:mozilla.org and PLEASE READ: https://mzl.la/34eAVbB || https://paste.mozilla.o

0.08 msg/hr 1,107 members mozilla.org
#87

AI Community

Discuss, share ideas and feedback about AI, and learn about our various AI services. Join our monthly GöAID meetings for AI developers: https://gwdg.de/hpc/events/goeaid/ Subscribe to our mailing li

0.08 msg/hr 611 members uni-goettingen.de
#88

Solus Development

Development arc + tooling discussion | Packaging discussion: #solus-packaging room | Solus repos: https://github.com/getsolus/ | Solus packaging repo: https://github.com/getsolus/packages | Aeryn OS G

0.08 msg/hr 373 members matrix.org
#89

Charm Development

Charm development chat room. Get started here: https://juju.is/docs/sdk | Please follow the CoC: https://ubuntu.com/community/ethos/code-of-conduct

0.08 msg/hr 134 members ubuntu.com
#91

Monero

[XMR] Be excellent to each other and welcoming to newcomers || getmonero.org || Dev: #monero-dev:monero.social || Price chat: #monero-markets:monero.social || Off topic: #monero-offtopic:monero.social

0.08 msg/hr 4,227 members matrixrooms.info
#92

Moodle Dev chat

Open discussion for Moodle Developers worldwide. Please do not use this channel for admin or user support questions. Advertising of jobs, freelance, or work wanted is not allowed. Please use the [Moo

0.07 msg/hr 787 members matrixrooms.info
#93

Element Classic Android

Element Android (F-Droid: 1.5.7, GPlay beta: 1.5.8, GPlay prod: 1.5.8) and matrix-android-sdk2 (1.5.8) discussion | https://github.com/vector-im/element-android | dev build: https://buildkite.com/matr

0.07 msg/hr 1,435 members matrix.org
#94

OpenMandriva Cooker

OpenMandriva cooker/development discussion room || Place for deep technical discussions and Technical Committee (TC) meetings. || This channel is for work and technical discussions with OM developers.

0.06 msg/hr 237 members matrix.org
#95

Off-topic messaging for FOSS-minded geeks

matrix.org/legal/code-of-conduct Friendly lounge for random chit-chat of like-minded technical people. Shared background of most members here: #Delta.Chat:matrix.org #efy_webdev:matrix.org #friendi.ca

0.06 msg/hr 440 members grin.hu
#96

SpiderMonkey

JS engine developer chat. Questions welcome! || FF112 soft freeze 2023-03-09, train departs 2023-03-13 || More info @ https://spidermonkey.dev/

0.06 msg/hr 712 members mozilla.org

Similar Topics

LinuxCybersecurityGamingPythonJavaScriptDevOpsPrivacyMatrixAI & Machine LearningFood & CookingSportsMusic