Supabase - An open source Firebase alternative
CrawlQ Audience Research - Target the Right Audience using the Predictive Intelligence
Crunchy Bridge - Crunchy Bridge is a fully managed database as a service.
Create Target Audience - Fastest and lowest cost way to find your potential customers
pREST - A fully RESTful API from any existing PostgreSQL database written in Go
Sifter - Sifter is designed to be a simple bug and issue tracker for small teams and works especially great for teams with non-technical folks involved.