CRM-Manage by wkunzhi

Creme is a highly configurable free/open-source Customer Relationship Management designed with an entities/relationships architecture. Maintained by HybirdCorp on GitHub, where it has earned 67 stars from the community.

Better contact management. Maintained by phildini on GitHub, where it has earned 63 stars from the community.

Web based School management system. Maintained by ghrimx on GitHub, where it has earned 135 stars from the community.