API Infrastructure Open Source Tools

Alternative toSupabase

Backend-as-a-service platform built for AI coding agents

• 13,152 GitHub stars
• Apache-2.0Licence Apache-2.0
• #BaaS

Alternative toRedis Cloud

Faster, multithreaded Redis drop-in with no API changes required

• 12,506 GitHub stars
• BSD-3-ClauseLicence BSD-3-Clause
• #Database

Alternative toBitly

Self-hosted URL shortener with analytics and custom domains

• 11,160 GitHub stars
• MITLicence MIT

Alternative toMongoDB Atlas

Run MongoDB apps on PostgreSQL with no code changes needed

• 11,089 GitHub stars
• Apache-2.0Licence Apache-2.0
• #Database

Alternative toPusher

Scalable real-time messaging server with WebSocket support

• 10,892 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toHubSpot Marketing Hub

Self-hosted marketing automation with email and campaigns

• 10,806 GitHub stars
• GPL-3.0Licence GPL-3.0
• #Email

Alternative toStripe Billing

Usage-based billing API for metered and hybrid SaaS pricing

• 10,699 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toKedify

Event-driven Kubernetes autoscaling with 70+ scalers and scale to zero

• 10,646 GitHub stars
• Apache-2.0Licence Apache-2.0

Alternative toShopify

Open source WordPress eCommerce with full customization

• 10,559 GitHub stars
• GPL-2.0Licence GPL-2.0

Alternative toOpenAI

Apache 2.0-licensed LLM from TII, from 1B to 180B parameters

• 9,409 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLM