We’ve built Lowdefy as a config webstack. Making it really easy to build web apps with yaml or json. You can also extend with npm plugins.
Lowdefy is more low level than a crm. But we’ve used it to build advanced CRMs for enterprises.
EDIT: Oops, forgot to thank you for creating this amazingly comprehensive sheet. I’m looking for a similar thing myself: a self-hostable CRM for a small team that wants some flexibility around custom fields and automation but doesn’t need most of the other common CRM features. My current plan is to try AppSmith, but there are a bunch of entries in your sheet that I haven’t seen before. Thanks again!
* Budibase https://budibase.com * ToolJet https://www.tooljet.com
They’re both more of the AppSmith/Retool sort of thing than Excel, but may be worth a look anyway.
Although I agree with the general sentiment, I disagree with this. I've tried out over 100 low-code ui builder over the past year (including creatio,Corteza,ERPNext,Baserow,tadabase,appsmith,nocodb,mathesar,bubble, etc.) and so far none of them have perfected "excel like ease with the power of a database".
If anyone has any suggestions, (that's not on my list https://docs.google.com/spreadsheets/d/15Pg6y11JscBMK-PK06f7... ), please let me know!