Zimbra Collaboration

Self-hostedOpen sourceProductivity

Email, calendar, collaboration server with Web interface and lots of integrations.

Same orbit

Build detailed lists of to-do’s for different projects while tracking the status of each one. Open Source Notion Alternative.

Self-hostedOpen sourceProductivity

77,836 stars

Headless CMS that lets developers build content APIs fast while giving content creators a friendly editing interface.

Self-hostedOpen sourceProductivity

73,388 stars

Knowledge base that works with a SQLite db file.

Self-hostedOpen sourceProductivity

64,126 stars

A modern CRM offering the flexibility of open source, advanced features, and a sleek design.

Self-hostedOpen sourceProductivity

59,945 stars