Open Source Alternatives

Tag

API Development Open Source Tools

Neovim

stars 103Kforks 7.2K

Hyperextensible Vim-based editor with Lua plugin support

Coding Developer Tools API Development Tools+1

Open Wearables

stars 2.7Kforks 516

Open source health API for wearable device developers

API Development Tools Developer Framework AI SDK+2

VoidZero

stars 6.3Kforks 283

Next-generation unified JavaScript tooling infrastructure

Developer Tools Coding Workflow Automation+2

Echolon

stars 58forks 4

Local-first API client for HTTP, REST, and GraphQL

Developer Tools API Development Tools Testing

OpenFlags

stars 15forks 0

Self-hosted feature flags for React, Bun, and Node.js

Self Hosted Developer Tools A/B Testing+2

OpenMolt

stars 35forks 8

Build scoped TypeScript AI agents with OpenMolt.dev

AI Agents Developer Framework Developer Tools+3

Modelence

stars 432forks 54

Full-stack framework for building production-ready web apps

Developer Framework Authentication Database+4

Octrafic

stars 35forks 4

AI-powered CLI for automated API testing with natural language

AI Coding Assistant API Development Tools Testing+3

Billing SDK

stars 506forks 162

Open source React components for SaaS billing flows

Developer Tools UI/UX Design API Development Tools+2

AI-Flow

stars 292forks 53

Visually chain AI models and APIs into automated pipelines

Workflow Automation Workflow Orchestration LLMOps+3

Hoppscotch

stars 80.6Kforks 6.2K

Open source Postman alternative for REST and GraphQL testing

API Development Tools Testing Self Hosted+3

Firecrawl

stars 192.3Kforks 10.2K

Turn any website into clean markdown or structured JSON for LLMs

API Development Tools LLM AI Agents+2