Supabase - An open source Firebase alternative
Octolis - Full-stack data platform for business teams
Unbounded - Serverless NoSQL database you query with JavaScript
Syncari - The #1 data automation platform for revenue teams
pREST - A fully RESTful API from any existing PostgreSQL database written in Go
MuleSoft - MuleSoft provides an integration platform for connecting any application, data source or API, whether in the cloud or on-premises.