Ecosyste.ms: OpenCollective

An open API service for software projects hosted on Open Collective.

Piranha CMS

Piranha CMS is a lightweight & unobtrusive CMS for ASP.NET Core. It can be used to add content functionality to your existing application or to build a new one from scratch.
Collective - Host: opensource - https://opencollective.com/piranhacms - Website: https://piranhacms.org - Code: https://github.com/PiranhaCMS/piranha.core