diff --git a/chat_rooms.md b/chat_rooms.md
index bae801ed..c7adb1a7 100644
--- a/chat_rooms.md
+++ b/chat_rooms.md
@@ -2,23 +2,29 @@
 
 Amoung other communication tools, YunoHost project use chat rooms to communicate.
 
-This instant messaging chat rooms, which uses [XMPP protocol](XMPP_en), are hosted on our XMPP server.
+You could join those chat rooms using :
+- an [IRC Client](https://en.wikipedia.org/wiki/Comparison_of_Internet_Relay_Chat_clients) for example [kiwiirc](https://kiwiirc.com/client/irc.freenode.net/yunohost)
+- an [XMPP client](https://en.wikipedia.org/wiki/Comparison_of_instant_messaging_clients#XMPP-related_features)
+- a [Matrix client](https://matrix.org/docs/guides/faq.html#what-clients-are-available%3F)
 
-You could join this chat rooms with an [XMPP client](https://en.wikipedia.org/wiki/Comparison_of_instant_messaging_clients#XMPP-related_features).
 
-### Chat rooms
-#### Mutual aid
-[Mutual aid](support_en) chat room is here to allow YunoHost's users to help each other.
+#### Help and support chatroom
+- IRC channel **#yunohost** on irc.freenode.net.
+- Matrix room (#freenode_#yunohost:matrix.org)
+- XMPP chatroom **[support@conference.yunohost.org](xmpp:support@conference.yunohost.org?join)**
 
-- A [web client](https://chat.yunohost.org) is here to easily join _mutual aid_ chat room.
-- **[support@conference.yunohost.org](xmpp:support@conference.yunohost.org?join)**
-
-#### Development
-YunoHost core development chat room. Currently, the main chat room for contributions on YunoHost project.
-For help, thanks to do it on `support` chat room.
+#### Development chatroom
+YunoHost core development chat room : 
+- channel **#yunohost-dev** on irc.freenode.net 
+- Matrix: #freenode_#yunohost-dev:matrix.org)
 - **[dev@conference.yunohost.org](xmpp:dev@conference.yunohost.org?join)**
 
-#### Applications
+Currently, the main chat room for contributions on YunoHost project.
+For help, please see **#yunohost** chat room above.
+
+#### Applications chatroom
 Application packaging development chat room. It allow packagers to help each other.
-It also allow to discuss packaging evolution, continuous integration tools.
+It also allow to discuss packaging evolution, continuous integration tools :
+- channel **#yunohost-apps** on irc.freenode.net 
+- Matrix: #freenode_#yunohost-apps:matrix.org)
 - **[apps@conference.yunohost.org](xmpp:apps@conference.yunohost.org?join)**