The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

TrailBase is described as 'Open-source application server with type-safe APIs, real-time data, JS runtime, and intuitive admin UI built on Rust, SQLite, and V8' and is a Web Server in the development category. There are more than 10 alternatives to TrailBase for a variety of platforms, including Mac, Windows, Linux, Web-based and Self-Hosted apps. The best TrailBase alternative is Supabase, which is both free and Open Source. Other great apps like TrailBase are Firebase, Appwrite, PocketBase and bknd.io.
The open source Firebase alternative. Supabase adds realtime and restful APIs to Postgres without a single line of code.

Firebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.


Secure open-source backend server for web and mobile developers. Appwrite provides developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.








Modular visual backend offering integrated database, authentication, media, and workflow management, supports SQLite, Postgres, cloud DBs, AWS S3, flexible deployment across major runtimes, open source, built for universal compatibility and direct control.

Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies. Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.

Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

Payara Server is an open source, cloud-native middleware platform supporting reliable and secure deployments of Java EE (Jakarta EE) applications on premise, in the cloud or hybrid environments.


A lightweight and versatile open source server that simplifies the application stack by natively executing application code across eight different programming language runtimes.
GlassFish v3, built by the GlassFish community, is the first compatible implementation of the Java EE 6 platform specification. Many of the Java EE 6 themes carry over to Sun GlassFish Enterprise Server v3 - flexibility, extensibility, and developer ease of use.
JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server. It is, as with Red Hat itself, dual-licensed either as open source (community edition) or commercially (enterprise edition).
The Jetty Web Server provides a HTTP server and Servlet container capable of serving static and dynamic contend either from a standalone or embedded instantiations.