List of free open-source stuff for developerππ½
If you're looking for all programming tools around open-source (not just free). Check this page List of open-source Programming Tools

SourceForge
SourceForge provides free & fast open source software downloads and development, and business software reviews and comparisons featuring the largest open source and business software directory.
Tag: open-source, software

Baserow
Self hosted open source no-code online database and Airtable alternative. Baserow gives you the powers of a developer without leaving your browser.
Tag: no-code, database, open-source
Self-hosted Free plan with 3.000 per group, 2GB per group and unlimited databases


Opensource.builders
Find open-source alternatives to popular software, find open-source alternatives for your favorite apps
Tag: awesome-list, open-source

libreprojects
π Collection of open source, usable, hosted web services!
Tag: awesome-list, open-source