Efficient App – Not all Open Source alternatives are equal — Narrow down the best, without the bullsh*t.

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Open Source Backend-as-a-Service (BaaS) Tools using Kotlin

A curated collection of the best open source cloud-based platforms providing backend services like databases, authentication, and storage. using Kotlin.

Supabase

Open-source Firebase alternative for modern app development

Stars
102,235
Forks
12,367
Last commit
25 minutes ago

A powerful, scalable backend platform offering real-time databases, authentication, storage, and serverless functions for rapid development.

Open Source Alternative to:

Firebase

Convex

Build full-stack apps with TypeScript and real-time sync

Stars
11,580
Forks
715
Last commit
1 hour ago

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

Open Source Alternative to:

Supabase

NHost

Serverless backend platform for modern app development

Stars
9,154
Forks
575
Last commit
4 hours ago

Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.

Open Source Alternative to:

Supabase

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit