Open Collective
Open Collective

Mellium Co-op

Mellium is a collection of Go libraries, tools, and modules related to XMPP.


Become a financial contributor.

Financial Contributions

Recurring contribution

By supporting Mellium with a recurring donation you're helping ensure continued development.

Starts at
$1 USD / month

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Custom contribution
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Mellium Co-op is hosting the following events.

Past event
12:00 PM-01:00 PM UTC
Join us for some virtual co-working with other folks from Mellium and the XSF!
Past event
04:00 PM-05:00 PM UTC
We will discuss the XSF's new role as a fiscal host for the XMPP community and show off Open Coll...Read more
Past event
04:00 PM-05:00 PM UTC
Mellium member Sam Whited will present a preview of our new TUI client, Communiqué for the XMPP O...Read more

Top financial contributors


$50 USD since Jan 2022

Sam Whited

$36 USD since Apr 2021

Mellium Co-op is all of us

Our contributors 2

Thank you for supporting Mellium Co-op.

Sam Whited


$36 USD

Cooperator at Willow Bark, Corner Garage, and M...


$50 USD


Transparent and open finances.

Balance transfer
Balance transfer

Domain renewal

from Sam Whited to Mellium Co-op
-$134.66 USD
Reimbursement #195666
Today’s balance

$95.22 USD

Total raised

$229.88 USD

Total disbursed

$134.66 USD

Estimated annual budget

$33.20 USD


Let’s get the ball rolling!

News from Mellium Co-op

Updates on our activities and progress.

New release: v0.21.4!

5 months since v0.21.3,[email protected] has been released! This release fixes a long standing problem where custom implemen...
Read more
Published on January 12, 2023 by Sam Whited

Website and packages may go down due to hosting issue

We've just received news that our former web host is unexpectedly terminating service and may do so unexpectedly in the near future. If you are a company or co-op who wants to sponsor a small VPS capable of hosting our website and chat room...
Read more
Published on December 3, 2022 by Sam Whited

Mellium to receive grant for end-to-end encryption

We are excited to announce that the NLnet Foundation will be supporting the development of end-to-end encryption in the Mellium library with a gran...
Read more
Published on November 26, 2022 by Sam Whited


Let’s get the discussion going! This is a space for the community to converse, ask questions, say thank you, and get things done together.

New Backer: how should we handle recurring donations?

Published on July 22, 2023 by Sam Whited

Hi all! We've received a new monthly backer on GitHub Sponsors (I was previously planning on removing the GitHub mirrors as they had caused some confusion, but I guess we'll leave them unless someone else objects). I'm considering using the...

Increasing the project bus factor

Published on May 31, 2022 by Sam Whited

As more people begin to rely on this project I have become somewhat concerned that our bus factor of 1 (ie. "me") is too low. It would be good to find more maintainers or leads from among the contributors who can be given access and continu...

Should we use OMEMO funds for related prerequisite work

Published on May 4, 2022 by Sam Whited

Hi all, I'd like to get a feeling from our contributors about how funds should be used. I've marked several issues as prerequisite to implementing OMEMO recently, and wondered if it's worth allowing part of the bounty to be paid on these bl...



Mellium is a collection of libraries and tools relating to XMPP and written in Go. Our goal is to develop cooperative software that extends and contributes back to the XMPP ecosystem.

Our team

Sam Whited

Cooperator at Willow Bark, Corner Garage, and M...
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