Open Source API Tools
Discover 179 open source API repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. API projects here are most often combined with Self Hosted, Python and TypeScript. Last updated October 4, 2026.
179 repositories · updated October 4, 2026
lamini: Access the Lamini API from Python
Lamini is a Python client and SDK for working with Lamini's generative AI API. It suits developers who want to connect Python applications to Lamini without building API requests from scratch.
RouteLLM: Route LLM Requests to Balance Cost and Quality
RouteLLM is a Python framework for routing prompts between stronger, costlier models and cheaper alternatives. It helps teams manage the cost-quality tradeoff, serve requests through an OpenAI-compatible interface, and evaluate routing strategies.
rerankers: Use Diverse Reranking Models Through One Python API
rerankers provides a shared Python interface for reranking documents with cross-encoders, LLM-based methods, and hosted APIs. It suits developers building retrieval systems who want to compare or switch rerankers without adapting their application to each model's interface.
llama_cloud_services: Parse Documents and Use Llama Cloud Services
A TypeScript client and service repository for Llama Cloud document processing and knowledge workflows. It is deprecated; new projects should use the replacement packages linked by the maintainers.
freellmapi: Route LLM Requests Through One API
FreeLLMAPI is a self-hosted TypeScript router that combines free LLM provider accounts and custom OpenAI-compatible endpoints behind one API. It selects models, tracks quotas, and retries across providers, mainly for personal experimentation and development.
gogcli: Manage Google Workspace from the Terminal
gogcli is a Go command-line client for Google Workspace services, including Gmail, Calendar, Drive, Docs, and Sheets. It suits people and automation workflows that need account routing, structured output, and controls over which commands can run.
PixelRAG: Search Documents by Their Visual Content
PixelRAG indexes screenshots of web pages and documents for visual retrieval, preserving charts, tables, and layout that text extraction can lose. It offers a Python pipeline, command-line renderer, and hosted search API.
pinchtab: Control Chrome for AI Agents
PinchTab is a local-first Go server and CLI that lets AI agents control Chrome through an HTTP API. It supports token-efficient page interaction, persistent profiles, and multiple browser instances.
spotify-lyrics-api: Fetch Spotify Track Lyrics
A PHP API and Composer package that retrieves lyrics for Spotify tracks through Musixmatch-backed Spotify data. It returns synced or unsynced lyrics in several formats and is intended for developers who can provide an SP_DC cookie and host their own instance.
atropim: Manage and Distribute Product Information
AtroPIM is a configurable product information management system built on the AtroCore platform. It helps manufacturers, wholesalers, and distributors manage complex product data and share it with commerce, ERP, and other systems.
warpchart: Track GitHub Repository Growth and Rankings
Warpchart turns GitHub star data into live growth telemetry, showing repository rankings, velocity, neighbors, and milestones. It suits maintainers who want a hosted dashboard, embeddable charts, or a self-hosted tracker for a repository.
webhookx: Receive and Deliver Webhook Events
WebhookX is a Go-based gateway for receiving, validating, transforming, and reliably delivering events to one or more endpoints. It suits teams that need centralized webhook routing, delivery retries, and operational visibility.