List of free no-code stuff for developerππ½
If you're looking for all programming tools around no-code (not just free). Check this page List of no-code Programming Tools

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
stacksmith
An intuitive software erector kit targeted at people new to programming, but with enough potential to stay useful once they've learned, inspired by HyperCard.
Tag: no-code, app-builder