Discover the Best Open Source Repositories

Open SEO

Open-source SEO tool with an MCP server for AI agents, offering keyword research, backlinks, and site audits without subscriptions.

Alternative to: Favicon of Ahrefs

Ahrefs

Stars23.9K

Forks3.2K

Last commit5 days ago

Coreutils (Rust)

uutils coreutils reimplements GNU coreutils in Rust, aiming for drop-in compatibility across Linux, macOS, BSD, Windows, and WASI.

Stars24.3K

Forks2.1K

Last commit2 days ago

Security Audit Skill

Cloudflare's coding-agent skill that orchestrates isolated agents through a six-phase security audit with verified, machine-readable findings.

Stars30.3K

Forks1.9K

Last commit1 month ago

Skills

A collection of Agent Skills for Google Cloud, GKE, BigQuery, IAM, and other Google products, installable via npx or as agent plugins.

Stars21.4K

Forks1.8K

Last commit2 days ago

Hindsight

Open-source agent memory system with retain/recall/reflect operations, biomimetic memory types, and 60+ framework integrations. MIT licensed.

Stars50.5K

Forks6.1K

Last commit2 days ago

dbx

DBX is a Rust-built, cross-platform database client supporting MySQL, PostgreSQL, SQLite, Redis, MongoDB, ClickHouse and more in a small footprint.

Alternative to: Favicon of DBeaver

DBeaver

Stars27K

Forks2.4K

Last commit2 days ago

NATS Server

NATS server: an Apache-2.0 licensed, Go-based messaging system for cloud, edge, and IoT communication between services and devices.

Alternative to: Favicon of Amazon SQS

Amazon SQS

Stars20.9K

Forks2K

Last commit3 days ago

System Design Notes

Organized notes covering all chapters of Alex Xu's System Design Interview books, plus curated links for deeper reading on each topic.

Stars26.6K

Forks4.9K

Last commit2 months ago

GitHub Docs

Open-source repository powering GitHub's official documentation site, accepting community edits to content files.

Stars21K

Forks69.1K

Last commit2 days ago

Excelize

Excelize is a pure Go library for reading and writing XLAM/XLSM/XLSX/XLTM/XLTX Excel files, including charts, images, and streaming APIs for large data.

Alternative to: Favicon of Microsoft Excel

Microsoft Excel

Stars21K

Forks2K

Last commit5 days ago

Financial Services

Open-source Claude agents, skills, and data connectors for investment banking, equity research, private equity, and fund admin workflows.

Stars40.1K

Forks5.6K

Last commit27 days ago

Online Boutique

Online Boutique: a Google Cloud sample e-commerce app with 11 gRPC microservices for demoing Kubernetes, Istio, and service mesh tooling.

Stars21.1K

Forks10.6K

Last commit7 days ago

Prime Agent

Prime Agent is an open-source RLM coding agent with a persistent Python REPL, subagents, and a self-refining harness for long-running work.

Alternative to: Favicon of Devin

Devin

Stars22.1K

Forks2.4K

Last commit2 days ago

Bend

Bend is a massively parallel language with a fast compiler, dependent types, and LAWS.bend for mathematically enforcing app rules.

Stars23.7K

Forks751

Last commit2 days ago

OpenLogi

Local-first, open-source alternative to Logitech Options+, written in Rust. Remap buttons, DPI, and SmartShift over HID++ on macOS, Linux, Windows.

Alternative to: Favicon of Logitech Options+

Logitech Options+

Stars23.7K

Forks814

Last commit2 days ago

screenpipe

Screenpipe records your screen and audio continuously and locally, then feeds that history to AI agents like Claude and Cursor for context.

Alternative to: Favicon of Rewind AI

Rewind AI

Stars22K

Forks2.2K

Last commit2 days ago

Supermemory

Open-source memory and context engine for AI: extracts facts, builds user profiles, and combines RAG with memory in one API.

Alternative to: Favicon of Mem

Mem

Stars31.3K

Forks2.7K

Last commit2 days ago

omlx

OpenAI/Anthropic-compatible LLM server for Apple Silicon with continuous batching, tiered SSD KV caching, and a native menu bar app.

Alternative to: Favicon of OpenAI API

OpenAI API

Stars22.9K

Forks2.1K

Last commit3 days ago

ONNX Runtime

ONNX Runtime is a cross-platform inference and training accelerator for ONNX models from PyTorch, TensorFlow, and scikit-learn.

Stars22.1K

Forks4.3K

Last commit2 days ago

Lima

Lima launches Linux virtual machines on macOS and other hosts with automatic file sharing and port forwarding, built for running containers.

Alternative to: Favicon of Docker Desktop

Docker Desktop

Stars22.1K

Forks984

Last commit3 days ago

Gleam

Gleam is a statically typed functional language for building scalable, fault-tolerant systems on Erlang's BEAM or in JavaScript.

Stars22K

Forks1K

Last commit3 days ago

Exercises Dataset

Open dataset of 1,324 fitness exercises with animation GIFs, thumbnails, muscle/equipment metadata, and instructions in 10 languages for fitness apps.

Stars22.9K

Forks2.9K

Last commit3 months ago

Knowledge Work Plugins

Open-source collection of 11 plugins that turn Claude into a specialist for sales, finance, legal, data, and other roles in Cowork or Claude Code.

Stars29.9K

Forks3.4K

Last commit3 days ago

OpenObserve

OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring, built on Parquet and S3-native storage.

Alternative to:

Datadog

Stars22.4K

Forks1.1K

Last commit2 days ago

MCP for Blender

MCP for Blender is a Python addon and server that lets LLMs like Claude create, edit, and script 3D scenes in Blender.

Stars31.2K

Forks2.9K

Last commit13 days ago

9router

A self-hosted gateway routing AI coding tools to 40+ providers with free-tier fallback and token compression to cut costs.

Stars30.9K

Forks6K

Last commit4 days ago

SpiderFoot

SpiderFoot is an open-source OSINT automation tool with 200+ modules for footprinting domains, IPs, emails, and more via web UI or CLI.

Alternative to: Favicon of Maltego

Maltego

Stars23.6K

Forks3.8K

Last commit6 months ago

Cap

Cap is an open-source Loom alternative for screen recording, editing, and sharing, with self-hosting and custom S3 storage support.

Alternative to: Favicon of Loom

Loom

Stars23.4K

Forks2.1K

Last commit2 days ago

VoxCPM

VoxCPM2 is an open-source, Apache-2.0 licensed tokenizer-free TTS model for 30-language synthesis, voice design, and voice cloning, built on MiniCPM-4.

Alternative to: Favicon of ElevenLabs

ElevenLabs

Stars39.4K

Forks4.5K

Last commit11 days ago

T3 Code

T3 Code is an open-source control surface for AI coding agents like Claude Code, Codex, and Cursor, with mobile, web, and desktop apps.

Stars28K

Forks7.5K

Last commit2 days ago

Context Mode

MCP server that cuts AI coding agent tool output by up to 98% and restores session memory across Claude Code, Copilot, Gemini CLI, and more.

Stars30.3K

Forks2.1K

Last commit2 days ago

Cool Retro Term

cool-retro-term is a Qt6/QML terminal emulator for Linux and macOS that mimics old cathode ray tube displays with adjustable effects.

Stars26.5K

Forks1K

Last commit5 months ago

WeKnora

Open-source Go platform that converts documents into RAG search, a ReAct agent, and a self-updating wiki with knowledge graphs.

Stars34.4K

Forks4.6K

Last commit3 days ago

gRPC-Go

grpc-go is the official Go implementation of gRPC, an HTTP/2-based RPC framework for building fast, cross-language microservices.

Stars23.1K

Forks4.8K

Last commit2 days ago

SmartTube

SmartTube is a free, open-source Android TV app for browsing and playing media with SponsorBlock, 8K/HDR playback, and no Google Services requirement.

Alternative to:

YouTube

Stars35.1K

Forks2.2K

Last commit2 days ago

Open SEO

Open-source SEO tool with an MCP server for AI agents, offering keyword research, backlinks, and site audits without subscriptions.

Alternative to: Favicon of Ahrefs

Ahrefs

Stars23.9K

Forks3.2K

Last commit5 days ago

Coreutils (Rust)

uutils coreutils reimplements GNU coreutils in Rust, aiming for drop-in compatibility across Linux, macOS, BSD, Windows, and WASI.

Stars24.3K

Forks2.1K

Last commit2 days ago

Security Audit Skill

Cloudflare's coding-agent skill that orchestrates isolated agents through a six-phase security audit with verified, machine-readable findings.

Stars30.3K

Forks1.9K

Last commit1 month ago

Skills

A collection of Agent Skills for Google Cloud, GKE, BigQuery, IAM, and other Google products, installable via npx or as agent plugins.

Stars21.4K

Forks1.8K

Last commit2 days ago

Hindsight

Open-source agent memory system with retain/recall/reflect operations, biomimetic memory types, and 60+ framework integrations. MIT licensed.

Stars50.5K

Forks6.1K

Last commit2 days ago

dbx

DBX is a Rust-built, cross-platform database client supporting MySQL, PostgreSQL, SQLite, Redis, MongoDB, ClickHouse and more in a small footprint.

Alternative to: Favicon of DBeaver

DBeaver

Stars27K

Forks2.4K

Last commit2 days ago

NATS Server

NATS server: an Apache-2.0 licensed, Go-based messaging system for cloud, edge, and IoT communication between services and devices.

Alternative to: Favicon of Amazon SQS

Amazon SQS

Stars20.9K

Forks2K

Last commit3 days ago

System Design Notes

Organized notes covering all chapters of Alex Xu's System Design Interview books, plus curated links for deeper reading on each topic.

Stars26.6K

Forks4.9K

Last commit2 months ago

GitHub Docs

Open-source repository powering GitHub's official documentation site, accepting community edits to content files.

Stars21K

Forks69.1K

Last commit2 days ago

Excelize

Excelize is a pure Go library for reading and writing XLAM/XLSM/XLSX/XLTM/XLTX Excel files, including charts, images, and streaming APIs for large data.

Alternative to: Favicon of Microsoft Excel

Microsoft Excel

Stars21K

Forks2K

Last commit5 days ago

Financial Services

Open-source Claude agents, skills, and data connectors for investment banking, equity research, private equity, and fund admin workflows.

Stars40.1K

Forks5.6K

Last commit27 days ago

Online Boutique

Online Boutique: a Google Cloud sample e-commerce app with 11 gRPC microservices for demoing Kubernetes, Istio, and service mesh tooling.

Stars21.1K

Forks10.6K

Last commit7 days ago

Prime Agent

Prime Agent is an open-source RLM coding agent with a persistent Python REPL, subagents, and a self-refining harness for long-running work.

Alternative to: Favicon of Devin

Devin

Stars22.1K

Forks2.4K

Last commit2 days ago

Bend

Bend is a massively parallel language with a fast compiler, dependent types, and LAWS.bend for mathematically enforcing app rules.

Stars23.7K

Forks751

Last commit2 days ago

OpenLogi

Local-first, open-source alternative to Logitech Options+, written in Rust. Remap buttons, DPI, and SmartShift over HID++ on macOS, Linux, Windows.

Alternative to: Favicon of Logitech Options+

Logitech Options+

Stars23.7K

Forks814

Last commit2 days ago

screenpipe

Screenpipe records your screen and audio continuously and locally, then feeds that history to AI agents like Claude and Cursor for context.

Alternative to: Favicon of Rewind AI

Rewind AI

Stars22K

Forks2.2K

Last commit2 days ago

Supermemory

Open-source memory and context engine for AI: extracts facts, builds user profiles, and combines RAG with memory in one API.

Alternative to: Favicon of Mem

Mem

Stars31.3K

Forks2.7K

Last commit2 days ago

omlx

OpenAI/Anthropic-compatible LLM server for Apple Silicon with continuous batching, tiered SSD KV caching, and a native menu bar app.

Alternative to: Favicon of OpenAI API

OpenAI API

Stars22.9K

Forks2.1K

Last commit3 days ago

ONNX Runtime

ONNX Runtime is a cross-platform inference and training accelerator for ONNX models from PyTorch, TensorFlow, and scikit-learn.

Stars22.1K

Forks4.3K

Last commit2 days ago

Lima

Lima launches Linux virtual machines on macOS and other hosts with automatic file sharing and port forwarding, built for running containers.

Alternative to: Favicon of Docker Desktop

Docker Desktop

Stars22.1K

Forks984

Last commit3 days ago

Gleam

Gleam is a statically typed functional language for building scalable, fault-tolerant systems on Erlang's BEAM or in JavaScript.

Stars22K

Forks1K

Last commit3 days ago

Exercises Dataset

Open dataset of 1,324 fitness exercises with animation GIFs, thumbnails, muscle/equipment metadata, and instructions in 10 languages for fitness apps.

Stars22.9K

Forks2.9K

Last commit3 months ago

Knowledge Work Plugins

Open-source collection of 11 plugins that turn Claude into a specialist for sales, finance, legal, data, and other roles in Cowork or Claude Code.

Stars29.9K

Forks3.4K

Last commit3 days ago

OpenObserve

OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring, built on Parquet and S3-native storage.

Alternative to:

Datadog

Stars22.4K

Forks1.1K

Last commit2 days ago

MCP for Blender

MCP for Blender is a Python addon and server that lets LLMs like Claude create, edit, and script 3D scenes in Blender.

Stars31.2K

Forks2.9K

Last commit13 days ago

9router

A self-hosted gateway routing AI coding tools to 40+ providers with free-tier fallback and token compression to cut costs.

Stars30.9K

Forks6K

Last commit4 days ago

SpiderFoot

SpiderFoot is an open-source OSINT automation tool with 200+ modules for footprinting domains, IPs, emails, and more via web UI or CLI.

Alternative to: Favicon of Maltego

Maltego

Stars23.6K

Forks3.8K

Last commit6 months ago

Cap

Cap is an open-source Loom alternative for screen recording, editing, and sharing, with self-hosting and custom S3 storage support.

Alternative to: Favicon of Loom

Loom

Stars23.4K

Forks2.1K

Last commit2 days ago

VoxCPM

VoxCPM2 is an open-source, Apache-2.0 licensed tokenizer-free TTS model for 30-language synthesis, voice design, and voice cloning, built on MiniCPM-4.

Alternative to: Favicon of ElevenLabs

ElevenLabs

Stars39.4K

Forks4.5K

Last commit11 days ago

T3 Code

T3 Code is an open-source control surface for AI coding agents like Claude Code, Codex, and Cursor, with mobile, web, and desktop apps.

Stars28K

Forks7.5K

Last commit2 days ago

Context Mode

MCP server that cuts AI coding agent tool output by up to 98% and restores session memory across Claude Code, Copilot, Gemini CLI, and more.

Stars30.3K

Forks2.1K

Last commit2 days ago

Cool Retro Term

cool-retro-term is a Qt6/QML terminal emulator for Linux and macOS that mimics old cathode ray tube displays with adjustable effects.

Stars26.5K

Forks1K

Last commit5 months ago

WeKnora

Open-source Go platform that converts documents into RAG search, a ReAct agent, and a self-updating wiki with knowledge graphs.

Stars34.4K

Forks4.6K

Last commit3 days ago

gRPC-Go

grpc-go is the official Go implementation of gRPC, an HTTP/2-based RPC framework for building fast, cross-language microservices.

Stars23.1K

Forks4.8K

Last commit2 days ago

SmartTube

SmartTube is a free, open-source Android TV app for browsing and playing media with SponsorBlock, 8K/HDR playback, and no Google Services requirement.

Alternative to:

YouTube

Stars35.1K

Forks2.2K

Last commit2 days ago

Discover the Best Open Source Repositories

A curated directory of the best GitHub repositories, ranked by stars and organized by category. Find your next open-source tool, framework, or library.