And Libervia (disclaimer: I'm the lead dev). It also implements SFU including components (based on Galène), but I'm reworking design on this part.
Also note that Libervia is using a backend/frontends architecture with a D-Bus API, you can use it to make your own frontend with any language you like.
Also note that Libervia is using a backend/frontends architecture with a D-Bus API, you can use it to make your own frontend with any language you like.