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The Stacks

Wing of Developer tools

Libraries, CLIs and infrastructure for building with AI.

Free to explore · curated by OneWave AI

215 developer tools projects in this wing of the Stacks. Review status is shown for every entry.

AI searches are sent to OpenAI.

Review is in progress. 1,407 projects are queued and none has been approved yet. Everything unreviewed is discovery metadata imported from GitHub — listed, not vetted.

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Ranked by total stars at the last daily refresh. This is not stars earned during the selected period. Star counts in the AI category are known to be inflated by fake-star campaigns, so activity and license are shown first.

86 projects matching “pi” · page 1 of 4
firecrawl organisation mark

firecrawl

firecrawl/firecrawl

The context API to search, scrape, and interact with the web at scale. 🔥

Pushed today.GNU Affero General Public License v3.0TypeScriptDeveloper tools201.3k+2.4k
github organisation mark

spec-kit

github/spec-kit

💫 Toolkit to help you get started with Spec-Driven Development

Pushed today.MIT LicensePythonDeveloper tools149.5k+1.8k
Panniantong organisation mark

Agent-Reach

Panniantong/Agent-Reach

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

Pushed 5 days ago.MIT LicensePythonDeveloper tools111.3k+2.3k
infiniflow organisation mark

ragflow

infiniflow/ragflow

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

Pushed yesterday.Apache License 2.0GoDeveloper tools94.1k+500
Egonex-AI organisation mark

Understand-Anything

Egonex-AI/Understand-Anything

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

Pushed 2 days ago.MIT LicenseTypeScriptDeveloper tools92.4k+1.5k
unclecode organisation mark

crawl4ai

unclecode/crawl4ai

Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.

Pushed yesterday.Apache License 2.0PythonDeveloper tools87.3k
rtk-ai organisation mark

rtk

rtk-ai/rtk

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Pushed yesterday.Apache License 2.0RustDeveloper tools86.4k+747
career-ops-hq organisation mark

career-ops

career-ops-hq/career-ops

Open-source AI job search: scan job portals, evaluate listings into a structured A-H report with a global 1-5 score, tailor your CV, track applications — runs locally in your AI coding CLI (Claude Code, Codex, OpenCode, Antigravity…)

Pushed today.MIT LicenseJavaScriptDeveloper tools82.2k+1.8k
headroomlabs-ai organisation mark

headroom

headroomlabs-ai/headroom

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

Pushed yesterday.Apache License 2.0PythonDeveloper tools79.5k+571
BerriAI organisation mark

litellm

BerriAI/litellm

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

Pushed today.OtherPythonDeveloper tools63.2k+421
meilisearch organisation mark

meilisearch

meilisearch/meilisearch

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Pushed today.OtherRustDeveloper tools59.8k+55
router-for-me organisation mark

CLIProxyAPI

router-for-me/CLIProxyAPI

Wrap Antigravity, ChatGPT Codex, Claude Code, Grok Build as an OpenAI/Gemini/Claude/Codex compatible API service, allowing you to enjoy the free Gemini 3.1 Pro, GPT 5.6 Series, Grok 4.5, Claude model through API

Pushed today.MIT LicenseGoDeveloper tools58.4k+752
zylon-ai organisation mark

private-gpt

zylon-ai/private-gpt

Complete API layer for private AI applications on local models: RAG, skills, tools, MCP, text-to-sql, and more. Works with any OpenAI-compatible inference server.

Pushed yesterday.Apache License 2.0PythonDeveloper tools57.6k+7
mudler organisation mark

LocalAI

mudler/LocalAI

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

Pushed today.MIT LicenseGoDeveloper tools50.3k+129
danny-avila organisation mark

LibreChat

danny-avila/LibreChat

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

Pushed today.MIT LicenseTypeScriptDeveloper tools47.1k+289
Kong organisation mark

kong

Kong/kong

🦍 The API and AI Gateway

Pushed 25 days ago.Apache License 2.0LuaDeveloper tools44.4k+18
google organisation mark

langextract

google/langextract

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

Pushed 3 days ago.Apache License 2.0PythonDeveloper tools39.3k+35
ItzCrazyKns organisation mark

Vane

ItzCrazyKns/Vane

Vane is an AI-powered answering engine.

Pushed 2 months ago.MIT LicenseTypeScriptDeveloper tools38.2k+150
davila7 organisation mark

claude-code-templates

davila7/claude-code-templates

CLI tool for configuring and monitoring Claude Code

Pushed yesterday.MIT LicensePythonDeveloper tools33.4k+287
ScrapeGraphAI organisation mark

Scrapegraph-ai

ScrapeGraphAI/Scrapegraph-ai

Python scraper based on AI

Pushed 1 months ago.MIT LicensePythonDeveloper tools32.7k+223
nanocoai organisation mark

nanoclaw

nanocoai/nanoclaw

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

Pushed today.MIT LicenseTypeScriptDeveloper tools31.1k+25
vercel organisation mark

ai

vercel/ai

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Pushed today.OtherTypeScriptDeveloper tools27.9k+142
deepset-ai organisation mark

haystack

deepset-ai/haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

Pushed today.Apache License 2.0PythonDeveloper tools27.0k+67
browserbase organisation mark

stagehand

browserbase/stagehand

The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.

Pushed today.MIT LicenseTypeScriptDeveloper tools26.0k
Developer tools — open-source AI developer tools — Techandria