Active Matrix Rooms

Active Ham Radio Matrix Rooms

Find 1052 active ham radio 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.

1052 active rooms · sorted by message count · updated live · content never stored

#1

Language Exchange

Dear Matrix users, For your info, this chat is made and operates mainly on the Discord platform. It is a part of a Discord server that is allowed to access directly from Matrix via a bridge on the bo

94 msg/hr 11,725 members envs.net
#2

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

74 msg/hr 594 members matrix.org
#3

The Russian Language

It's a friendly community focused on learning Russian and knowledge exchange. We invite everyone who wants to learn Russian to join our language learning room. The only rules are to be friendly and re

11 msg/hr 23,991 members envs.net
#4

Freifunk-Kiel

http://kiel.freifunk.net/ - github.com/freifunk-kiel | Neue Firmware zum Testen unter https://freifunk.in-kiel.de/firmware/rc/2021.1.2-1365 verfügbar

0.10 msg/hr 176 members matrix.eclabs.de
#5

Monero Mining

The group is dedicated to people starting to mine Monero. Information regarding GPU rigs, CPU rigs and all kinds of pools and setups. If your a beginner and want information or a seasoned miner feel f

0.08 msg/hr 8,265 members matrix.org
#7

adminForge Chat

adminForge bietet kostenlose Dienste an. [Deutsch, German 🇩🇪, English 🇺🇲] Unser Ziel ist es eine freie und datensparsame Alternative zu bekannten Diensten zur Verfügung zu stellen. 🤝 Unterstützen: h

0.08 msg/hr 591 members nope.chat
#8

MemShrink

Investigating and fixing issues with memory usage. https://firefox-source-docs.mozilla.org/performance/index.html

0.08 msg/hr 76 members mozilla.org
#9

M-x butterfly

A room for emacs enthusiasts. Unleash your butterfly skills 🦋 | The Evil 👿 side is #evil:poddery.com

0.08 msg/hr 34 members poddery.com
#10

Cafenea

Zvonuri, bârfe, probleme, etc.

0.08 msg/hr 31 members linuxromania.ro
#11

NixOS Networking

Declaratively manage your switching, routing, wireless, tunneling and more. | Don't rely on `networking.*` for interface and routing setup, use systemd-networkd, ifstate or NetworkManager instead. | S

0.07 msg/hr 907 members nixos.org
#12

H - MakerFaire

🌍 öffentlich | H - MakerFaire

0.05 msg/hr 21 members darc.de
#13

Ausbildung

🌍 öffentlich | Alles rund um Ausbildung im Amateurfunk

0.05 msg/hr 240 members darc.de
#14

Hidden Knowledge

This is a sanctuary for those seeking to unravel the extraordinary. Dive deep into the abyss of hidden knowledge and engage in thought-provoking conversations, explore alternative perspectives, and ch

0 msg/hr 25,234 members envs.net
#15

Radios and Wireless Hacking

Step into a world of frequencies and signals where experts and enthusiasts meet. Explore the intricate art of hacking wireless systems, discover new techniques, and share your knowledge with like-mind

0 msg/hr 22,582 members tchncs.de
#16

RSS - Hack Liberty News

Feed List: https://paste.hackliberty.org/?99738ed5ca137027#4gipqVGWpsjPKUVhUV28txtwEmksb9neUsztNK3LxA6a | Topics: agorism, agorist, agorist philosophy, alternative currencies, anarchism, anarcho-capit

0 msg/hr 22,558 members tchncs.de
#17

gitter/developers

A general chat for developers. Don't ask to ask, just ask. Here's how: https://stackoverflow.com/help/how-to-ask

0 msg/hr 15,749 members matrixrooms.info
#18

webpack/webpack

For questions please post on Stack Overflow and use the 'webpack' tag (http://stackoverflow.com/tags/webpack).

0 msg/hr 14,721 members gitter.im
#19

Комната "Русский язык"

Это дружественное сообщество, ориентированное на изучение русского языка и обмен знаниями. Мы приглашаем всех, кто хочет изучать русский язык, присоединиться к нашей комнате. Единственные правила - бы

0 msg/hr 11,782 members envs.net
#20

ipdx

https://www.notion.so/pl-strflt/IPDX-122073392dce454e9ca4b87231034483 . Bridge to IPFS Discord and Filecoin Slack.

0 msg/hr 10,646 members ipfs.io
#21

ComfyUI general

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. https://www.comfy.org https://github.com/comfyanonymous/ComfyUI Other rooms: #comfyui_space:matrix.org

0 msg/hr 10,550 members matrix.org
#22

Gaming

0 msg/hr 9,431 members matrix.org
#23

Nim Game Development

The perfect place to discuss game development in Nim. Let's help each other out and test our games!

0 msg/hr 7,980 members envs.net
#25

OpenWrt 2026 (stable: 25.12.2)

in case of spam, ping mods (type modhelp). matrix.org/legal/code-of-conduct https://forum.openwrt.org/invites/mrfHSpWM2D | guides: openwrt.org/docs/guide-quick-start Unofficial community, wireless mes

0 msg/hr 6,859 members envs.net
#26

django/django

The Web framework for perfectionists with deadlines.

0 msg/hr 5,726 members gitter.im
#27

Furry Tech v6 Archive

Welcome to Furry Tech! This channel is mainly tech/CS related, but almost all topics are allowed! We welcome everyone, but please keep in mind that this is a furry themed channel, so be prepared for t

0 msg/hr 4,189 members furry.lol
#28

dotnet/coreclr

This repo contains the .NET Core runtime, called CoreCLR. It is an execution engine for .NET apps, performing functions such as IL byte code loading, compilation to machine code and garbage collection

0 msg/hr 3,485 members gitter.im
#29

Elettronica / RF

(questo gruppo è bridgiato da telegram, su matrix potreste vedere alcuni comandi fatti a vuoto, che sono in realtà fatti sul gruppo su telegram https://t.me/elettronicait)

0 msg/hr 2,991 members matrix.org
#30

Odysee 🇧🇷🇵🇹

https://matrix.to/#/!EUCCgGKsOMwGIemTtl:matrix.org/$n36O7UsrFuSdLlD5-Sh_XTUKh3vxj0NE3pg_nBH42yY?via=matrix.org&via=t2bot.io&via=tchncs.de

0 msg/hr 2,928 members matrix.org
#31

sbt/sbt

A relaxed chat room about sbt (the interactive build tool). Also good for sbt help: Stack Overflow, or Lightbend subscription. https://www.scala-sbt.org/support.html has advice on where to go.

0 msg/hr 2,887 members gitter.im
#32

[email protected]

Themenschwerpunkte in diesem öffentlichen Chat (=Konferenz/Chatraum/Gruppe) sind "freie Messenger". Konstruktive Anregungen, gefundene Fehler, Ideen oder Hinweise für Verbesserungen zum Inhalt der Sei

0 msg/hr 2,769 members matrix.org
#33

Interferencias

Asociación ciberactivista en defensa de la privacidad en Internet y los derechos digitales mediante uso de #SoftwareLibre. Seguridad informática para la reivindicación. Normas: https://t.me/inter_fer

0 msg/hr 2,202 members matrix.org
#36

#chat

-Welco05me to #chat y07our pla03ce for some02times fam03ily friend06ly chatte07r- -10|- If y11ou're12 rea05ding 04this, you wil02l nev12er fe11el j09oy a08gain. -|- I he05ard "O07ff

0 msg/hr 2,004 members matrix.org
#37

M17 Project Ham Radio Public Chat

Welcome to the M17 Public Chat room on Matrix! Please register your M17 reflectors at https://dvref.com/

0 msg/hr 1,686 members matrix.org
#38

Imperium of Midov

Midov.pl news and announcements channel. Shitposting is fine too. ; TAKE THE TEST MOTHERFUCKERS https://p.midov.pl/test ; Everything in this room is licensed under GNU General Public License, see http

0 msg/hr 1,681 members midov.pl
#39

tensorflow/skflow

Simplified interface for doing Deep Learning in TensorFlow (mimicking Scikit Learn)

0 msg/hr 1,495 members gitter.im
#40

❓ask-a-mod

Du hast Fragen rund um den Discord Server und möchtest die gerne von einem Supporter oder Moderator beantwortet haben? Bitte nur die Supporter/Moderatoren antworten lassen. Bei Bedarf kann auch <#8094

0 msg/hr 1,491 members matrix.org
#41

gin-gonic/gin

Gin is a web framework written in Golang. It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.

0 msg/hr 1,437 members gitter.im
#42

Jabber/XMPP Development

Jabber/XMPP Development | RFCs and Extensions: https://xmpp.org/ | Logs: http://logs.xmpp.org/jdev/ | Protocol and XSF discussions: [email protected] | Library list: https://xmpp.org/software/libraries

0 msg/hr 1,288 members aria-net.org
#43

labstack/echo

Echo is a high performance, extensible, minimalist web framework for Go

0 msg/hr 1,256 members gitter.im
#44

actix/actix-web

Official Discord: https://discord.gg/NWpN5mmg3x | Powerful web framework for Rust | https://github.com/actix/actix-web/wiki/FAQ

0 msg/hr 1,255 members gitter.im
#45

Support (linux-surface)

Support for Linux on Microsoft Surface | https://github.com/linux-surface/linux-surface

0 msg/hr 1,220 members matrix.org
#47

[email protected]

Jabber/XMPP Development | RFCs and Extensions: https://xmpp.org/ | Logs: http://logs.xmpp.org/jdev/ | Protocol and XSF discussions: [email protected] | Library list: https://xmpp.org/software/libraries

0 msg/hr 1,057 members matrix.org
#48

design-system

Discussioni su tutto ciò che riguarda lo sviluppo dell'interfaccia utente (HTML, CSS, JS ecc..)

0 msg/hr 931 members developers.italia.it
#49

design-modello-comuni

Discussioni relative al design dei siti web dei Comuni italiani: architettura dell’informazione, interfaccia e CMS del modello Designers Italia finanziato dalla 1.4.1. Visita

0 msg/hr 864 members developers.italia.it
#50

design-modello-scuole

Discussioni relative al design dei siti web delle Scuole italiane: architettura dell’informazione, interfaccia e CMS del modello Designers Italia finanziato dalla 1.4.1

0 msg/hr 843 members developers.italia.it
#51

Obsidian

Unofficial Community: Obsidian is a powerful knowledge base on top of a local folder of plain text Markdown files. See https://obsidian.md/ Type `modhelp` if you see spam.

0 msg/hr 787 members crossbach.de
#52

Ham Radio

Using GR in Amateur Radio – Please take the Radioconda Survey to make installers for GR better! https://saneuxdesign.survey.fm/radioconda-survey

0 msg/hr 725 members gnuradio.org
#53

aws/aws-cli

Universal Command Line Interface for Amazon Web Services

0 msg/hr 669 members gitter.im
#54

PhilJay/MPAndroidChart

A powerful Android chart view / graph view library, supporting line- bar- pie- radar- and candlestick charts as well as scaling, dragging and animations.

0 msg/hr 668 members gitter.im
#55

Amateur Radio

For all things ham radio!

0 msg/hr 640 members cadair.com
#56

Chaosdorf (stable)

CCC Düsseldorf | https://chaosdorf.de/ | Social: https://wiki.chaosdorf.de/Communication | andere Räume: #chaosdorf-space:cybre.space

0 msg/hr 597 members fairydust.space
#57

Legión GNU/Linux

Será un GNU/Linux tecnologia y usuarios noveles y algo de diseño web HTML ,CSS, reseñas de distros , algo de ocio. Quiero abarcar todos los temas. https://raika0001.blogspot.com/p/reglas-para-grupo-d

0 msg/hr 596 members matrix.org
#58

LaravelRUS/SleepingOwlAdmin

Administrative interface builder for Laravel. http://sleepingowladmin.ru/ Telegram group: https://t.me/sleeping_owl

0 msg/hr 590 members gitter.im
#59

Home Assistant

Open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. https://ww

0 msg/hr 575 members tchncs.de
#60

adminForge Chat

adminForge bietet kostenlose Dienste an. [Deutsch, German 🇩🇪, English 🇺🇲] Unser Ziel ist es eine freie und datensparsame Alternative zu bekannten Diensten zur Verfügung zu stellen. Unterstützen: ht

0 msg/hr 511 members cdom.de
#61

Brasil contra o comunismo

Sala no Matrix destinada a evitar o autoritarismo e censura da esquerda. Todos contra o comunismo! Bem-vindos(as)! Patriotas! O sistema não pode censurar esse grupo do Matrix porque é descentralizad

0 msg/hr 511 members monero.social
#62

Eintrittshalle

Herzlich willkommen im Eingangsbereich zur 'Freien Deutschen Gesellschaft' (FDG), der ersten dezentralen, politik- und staatszensurfreien Plattform für Echtzeit-Kommunikation und Team-Kooperation zur

0 msg/hr 502 members matrix.org
#63

Clean Artwork - PAD

A room full of wonderful Lion King artwork. Join our main 18+ community at +pad:pridelands-after-dark.com. Please ask a mod before posting non-TLK content.

0 msg/hr 500 members matrix.org
#64

Foodsharing Haslach

So funktionierts: - Wenn du Lebensmittel übrig hast schreibe eine Nachricht (gerne mit Foto) + der Straße, in der es abgeholt werden kann. - Bei Interesse oder Fragen zum Angebot schreibe die Person

0 msg/hr 475 members chatwave.org
#65

#chat | Unofficial Gentoo Linux [ Discord Bridge ]

Bridged to #chat on discord.gg/gentoo To join other channels, go to the channel list room: #ugl-chanlist:tchncs.de General common chat ★ if you die trying to install Gentoo you die in the real world

0 msg/hr 467 members tchncs.de
#67

Allgemein

🌍 öffentlich | Andere Räume: #darc:darc.de | Offen für jeden geht es hier ganz allgemein um Amateurfunk und den DARC.

0 msg/hr 441 members darc.de
#68

starfort

starforts

0 msg/hr 439 members matrix.org
#69

WoodpeckerCI

Woodpecker is a simple yet powerful CI/CD engine with great extensibility.

0 msg/hr 432 members obermui.de
#71

Kirigami

QML based Convergent User Interface framework

0 msg/hr 424 members kde.org
#72

PrismarineJS/mineflayer

Create Minecraft bots with a powerful, stable, and high level JavaScript API.

0 msg/hr 424 members gitter.im
#73

#dn42

https://dn42.dev | #dn42 @ irc.hackint.dn42 | Routes: 172.20.0.0/14, fd00::/8 | DNS: fd42:d42:d42:54::1 | Registry: https://git.dn42.dev | NEW Peerfinder: https://peerfinder.dn42.dev | Disable rp_filt

0 msg/hr 413 members hackint.org
#74

#debian-python

Debian Python Team | Dashboard https://deb.li/3A8jR | Go fix 3.14 bugs: https://deb.li/kxC4 older: https://deb.li/3VMtU | #debian-python-changes | → Policy https://deb.li/PyPolicy | RFS []

0 msg/hr 410 members matrix.org
#75

Kabocha Proposals

Motions, treasury proposals, tenders (RFPs) discussions for Kabocha made here.

0 msg/hr 406 members matrix.org
#77

perf

General Performance chat

0 msg/hr 395 members mozilla.org
#78

Sinotrade/Shioaji

Shioaji is sinopac provide the most pythonic api for trading the taiwan and global financial market. You can use your favorite Python packages such as numpy, scipy, pandas, pytorch or tensorflow to bu

0 msg/hr 379 members gitter.im
#79

Science of Matrix Reading Group

Exchange of and on scientific papers, books and related resources on all things Matrix. See room pin and https://github.com/jryans/awesome-matrix#research for the current paper list. Topics range from

0 msg/hr 370 members dsn.tm.kit.edu
#80

Nordrhein-Westfalen, Deutschland

North Rhine-Westphalia, Germany, Köln, Düsseldorf, Dortmund, Essen, Duisburg, Bochum, Wuppertal, Bielefeld, Bonn, Münster, Mönchengladbach, Gelsenkirchen, Aachen, Krefeld, Oberhausen, Hagen, Hamm, Mül

0 msg/hr 343 members matrix.org
#81

Chaosdorf-Space

Hackspace des CCC Düsseldorf - https://chaosdorf.de/ - Matrix-Space

0 msg/hr 336 members fairydust.space
#82

Hackerspaces & Makerspaces

Hacking, DIY, makers, crafting, etc. | Canada #ents:tang.ents.ca | Hackerspace.gr Athens, Greece #hsgr:matrix.org | Erfa Salzburg, Austria #chaossbg:darkfasel.net | Brussels #hsbxl:hackerspace.be | Ur

0 msg/hr 333 members matrix.org
#83

Bytespeicher

Open Space am Mittwoch immer ab 19 Uhr: https://www.bytespeicher.org

0 msg/hr 331 members erfurt.chat
#84

Chaostreff Leipzig - immer freitags ab 19 Uhr

Wir treffen uns freitags in den Räumen des dezentrale e.V. , basteln an unseren Projekten, werfen Beamer und Soundsystem an, socializen und networken und gehen entspannt ins Wochenende. Die Tore öffn

0 msg/hr 320 members chat.dezentrale.space
#87

#hauptchat

Schaut bitte in #regeln für die aktuellen Regeln!

0 msg/hr 313 members foxyden.eu
#88

SpectoLabs/hoverfly

API simulations for development and testing

0 msg/hr 311 members gitter.im
#89

Doomsday Bunker

Welcome to the Doomsday Bunker! Connect with fellow preppers and survival enthusiasts to discuss self-defense strategies, exchange recommendations on weapons and essential survival gear, and empower e

0 msg/hr 305 members tchncs.de
#91

hexojs/hexo

A fast, simple & powerful blog framework, powered by Node.js.

0 msg/hr 302 members gitter.im

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