Kinto : Kinto is a lightweight JSON storage service with synchronisation and sharing abilities.
Plausible Analytics : Plausible is a lightweight and open-source website analytics tool. It doesn’t use cookies and is fully compliant with GDPR, CCPA and PECR.
Garage : An open-source distributed storage service you can self-host to fullfill many needs.
Commento : A lightweight, open source, tracking-free comment engine alternative to Disqus.
Keycloak : Keycloak is an Open Source Identity and Access Management solution for modern Applications and Services.
GitLab is a web-based Git repository manager with wiki and issue tracking features. GitLab offers hosted accounts similar to GitHub, but also allows its software to be used on third party servers.