I encourage you to read about matrix [https://matrix.org https://matrix.org] - the protocol. In addition, there are numerous open source clients to use [https:

I encourage you to read about matrix [https://matrix.org https://matrix.org] - the protocol. In addition, there are numerous open source clients to use [https://matrix.org/docs/projects/clients-matrix https://matrix.org/docs/projects/clients-matrix]. Also, as far as organizations, matrix.org has recently become a foundation moving towards somewhat you described [https://matrix.org/blog/2018/10/29/introducing-the-matrix-org-foundation-part-1-of-2/ https://matrix.org/blog/2018/10/29/introducing-the-matrix-or...].