Synapse

Matrix.org’s reference server – Synapse: https://github.com/matrix-org/synapse

Apt repo: https://matrix.org/packages/debian/

It can also be installed via:

• Dockerfile from Silvio Fricke
• ArchLinux package from Ivan Shapovalov
• There is a FreeBSD package on freshports.org
• Martin Giess has created an auto-deployment process with vagrant/ansible, tested with VirtualBox/AWS/DigitalOcean
• Open Build Service
• Nix package manager
• Debian
• Yunohost
• Freedombox

There is also a handy spreadsheet to calculate HDD space for your Synapse instance.