Mumble is an open source, low-latency, high quality voice chat software intended for audio conferences.

Our instance runs at at the default port 64738.

You can freely use the Discuss room. We could happily create a new room for communities (projects, collectives, etc). For any inquire about this service you can send us an email.

If you want to support us, you can donate.


On Mumble's website you can find a version for any operating system. We cover Android documentation here, since it's probably the easiest app to use.

  1. Download the from F-droid or Google Play
  2. Settings > Audio > Transmit Mode, choose how you want your mic to work. Preferably you should switch to "Push to Talk".
  3. Press the "Add" (+) and enter server details. Address: You can leave the Port empty to use the default (64738) and pick your desired username. Finally press ADD.
  4. To connect just tap on the libreops bookmark you just created.
  5. Once connected you can press the arrow button to join the room you want.

For all future occasions you'll open the app you only have to follow steps 4 and 5. If you didn't chose "Push to Talk" make sure to mute yourself when no talking.

Below you can see some helpful screenshots.

mumble audio settings
mumble add server
mumble connect
mumble channel