DarkTable is a free open source photography app, which lets you organise, view and develop raw image files. (It's like a Libre alternative to Adobe LightRoom)
You can follow at:
It's available for Linux, Mac, Windows and BSD from https://www.darktable.org
This is a brand new server run by the main developers of the project as a spin-off of mastodon.social It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!