I used their services for peertube, but obviously they got more to offer. They use keycloak to have only one login to all their services.

• https://www.fairkom.eu/en/fairtranslate - LibreTranslate
• https://www.fairkom.eu/en/fairchat - matrix
• https://www.fairkom.eu/en/faircloud
• https://www.fairkom.eu/en/fairtube - peertube
• https://www.fairkom.eu/en/fairmailing
• https://www.fairkom.eu/en/fairlogin - keycloak
• https://www.fairkom.eu/en/boardnet - etherpad
• https://www.fairkom.eu/en/hosting
• https://www.fairkom.eu/en/fairsuch
• https://www.fairkom.eu/en/fairmove - Mastodon