List of Top Free Open Source & Self Hosted Application for Software Development - FaaS & Serverless

Serverless computing

Appwrite – End to end backend server for web, native, and mobile developers 🚀. BSD-3-Clause PHP
Coolify – An open-source & self-hostable Heroku / Netlify alternative (and even more). Apache-2.0 Docker
Dokku – An open source PAAS alternative to Heroku. MIT Docker/Shell/Go
fx – A tool to help you do Function as a Service with painless on your own servers. MIT Go
LocalStack – LocalStack is a fully functional local AWS cloud stack. This includes Lambda for serverless computation. Apache-2.0 Python/Other
Nhost – The Open Source Firebase Alternative with GraphQL. Get a database and backend configured and ready in minutes. MIT Docker/Nodejs/Go
OpenFaaS – Serverless Functions Made Simple for Docker & Kubernetes. MIT Go
Trusted-CGI – Lightweight self-hosted lambda/applications/cgi/serverless-functions platform. MIT Go