Ecosyste.ms: OpenCollective

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

cadCAD

An open-source Python package that assists in the processes of designing, testing and validating complex systems through simulation.
Collective - Host: opensource - https://opencollective.com/cadcad1 - Website: https://cadcad.org/ - Code: https://github.com/BlockScience/cadCAD