Open Source Projects using Cargo
A curated collection of the 149 best open source software using Cargo. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Turn any website into clean, AI-ready data via API
Stars
Stars growing over the last 30 days194,626Last commit
9 hours agoLicense
AGPL-3.0
API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.
Open Source Alternative to:
Task management with GitHub sync and AI agents for devs
Stars
Stars growing quickly over the last 30 days4,872Last commit
7 hours agoLicense
AGPL-3.0
Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically.
Open Source Alternative to:
Team chat with email, tasks, and docs in one workspace
Stars
Stars growing quickly over the last 30 days4,872Last commit
7 hours agoLicense
AGPL-3.0
Team chat app with inline threads, mention-based sharing, a unified inbox for chat and email, and an AI agent that works across your full workspace.
Open Source Alternative to:
Keyboard-first email client with AI, chat, and tasks
Stars
Stars growing quickly over the last 30 days4,872Last commit
7 hours agoLicense
AGPL-3.0
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Open Source Alternative to:
Markdown docs wired into tasks, email, and agents
Stars
Stars growing quickly over the last 30 days4,872Last commit
7 hours agoLicense
AGPL-3.0
Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Open Source Alternative to:
A self-building CRM powered by your email
Stars
Stars growing quickly over the last 30 days4,872Last commit
7 hours agoLicense
AGPL-3.0
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Open Source Alternative to:
Private AI chat with zero-access encryption
Stars
5,649Last commit
11 hours agoLicense
GPL-3.0
AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Open Source Alternative to:
Desktop AI agent with persistent memory across platforms
Stars
Stars growing over the last 30 days256,504Last commit
7 hours agoLicense
MIT
Cross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
Open Source Alternative to:
AI coding agent for terminal, IDE, and desktop
Stars
Stars growing over the last 30 days220,560Last commit
7 hours agoLicense
MIT
Open source AI coding agent that works in your terminal, IDE, or desktop app, supporting 75+ LLM providers with no code storage.
Open Source Alternative to:
AI coding agent that works inside your terminal
Stars
130,625Last commit
8 hours agoLicense
Apache-2.0
Terminal-based AI coding agent that inspects files, edits code, runs commands, and integrates into CI pipelines using OpenAI's Codex models.
Open Source Alternative to:
Self-hosted remote desktop you fully control
Stars
126,725Last commit
16 hours agoLicense
AGPL-3.0
Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk.
Open Source Alternative to:
High-throughput, memory-efficient serving engine for LLMs
Stars
95,239Last commit
7 hours agoLicense
Apache-2.0
Inference and serving engine for large language models, built for speed and hardware efficiency with an OpenAI-compatible API and support for a wide range of open models.
Open Source Alternative to:
Postgres-powered backend platform for production apps
Stars
113,752Last commit
7 hours agoLicense
Apache-2.0
Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
Open Source Alternative to:
Share files securely across all devices without servers
Stars
Stars growing over the last 30 days95,340Last commit
3 days agoLicense
Apache-2.0
Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.
Open Source Alternative to:
High-performance code editor built for speed and AI
Stars
92,101Last commit
7 hours agoLicense
GPL-3.0
A Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.
Open Source Alternative to:
AI workspace for docs, projects, and wikis you control
Stars
77,681Last commit
3 days agoLicense
AGPL-3.0
Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open Source Alternative to:
Docs, whiteboards, and databases in one privacy-first workspace
Stars
73,777Last commit
18 hours agoLicense
MIT
An open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open Source Alternative to:
Sleek, intuitive API development and testing platform
Stars
80,678Last commit
19 hours agoLicense
MIT
Lightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Open Source Alternative to:
Coding agent that runs on local and open-weight models
Stars
68,650Last commit
13 days agoLicense
Apache-2.0
Coding agent that lets LLMs write and execute code, manage files, and control your computer using local or low-cost models.
Open Source Alternative to:
Real-time monitoring for systems and applications
Stars
81,104Last commit
13 hours agoLicense
GPL-3.0
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
Open Source Alternative to:
A modern terminal built around AI coding agents
Stars
65,658Last commit
11 hours agoLicense
AGPL-3.0
Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.
Open Source Alternative to:
General-purpose AI agent for code, workflows, and more
Stars
55,592Last commit
9 hours agoLicense
Apache-2.0
Local AI agent with a desktop app, CLI, and API that connects to 15+ LLM providers and 70+ extensions for code, research, automation, and data tasks.
Open Source Alternative to:
Self-hosted Bitwarden server that runs lean on your hardware
Stars
69,538Last commit
2 days agoLicense
AGPL-3.0
Unofficial Bitwarden-compatible server written in Rust, built for self-hosting on low-resource hardware without sacrificing client compatibility.
Open Source Alternative to:
High-performance terminal with GPU acceleration
Stars
66,028Last commit
8 days agoLicense
Apache-2.0
Modern cross-platform terminal emulator with OpenGL acceleration, extensive configuration options, and vi mode support for enhanced productivity.
Open Source Alternative to:
Self-hosted AI runtime for text, voice, vision, and agents
Stars
49,884Last commit
9 hours agoLicense
MIT
Run LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
Open Source Alternative to:
Open-source UI design and prototyping for product teams
Stars
61,546Last commit
10 hours agoLicense
MPL-2.0
Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Open Source Alternative to:
Lightning-fast search for your applications
Stars
59,643Last commit
12 hours agoLicense
MIT
A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
Open Source Alternative to:
Encrypted note-taking that syncs across all your devices
Stars
56,850Last commit
9 hours agoLicense
Unknown
Cross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Open Source Alternative to:
Open source payment orchestrator for global transactions
Stars
Stars growing over the last 30 days45,400Last commit
8 hours agoLicense
Apache-2.0
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Open Source Alternative to:
Team chat, project management, and AI agents in one place
Stars
Stars growing over the last 30 days36,298Last commit
7 hours agoLicense
Apache-2.0
Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.
Open Source Alternative to:
Privacy-focused browser with powerful customization
Stars
45,193Last commit
1 day agoLicense
MPL-2.0
A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Open Source Alternative to:
Lightning-fast analytics for massive datasets
Stars
50,566Last commit
7 hours agoLicense
Apache-2.0
High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.
Open Source Alternative to:
Run AI models locally or connect to cloud, privately
Stars
45,049Last commit
8 hours agoLicense
Apache-2.0
Jan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Open Source Alternative to:
Self-hosted AI agent with 70+ providers and 30+ channels
Stars
33,039Last commit
9 hours agoLicense
Apache-2.0
A single Rust binary that runs a personal AI agent on your own hardware, connecting to 70+ LLM providers and 30+ messaging channels with built-in sandboxing and cryptographic tool receipts.
Open Source Alternative to:
High-performance vector database for GenAI applications
Stars
46,462Last commit
9 hours agoLicense
Apache-2.0
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
Open Source Alternative to:
Press a key, speak, release. Text appears instantly.
Stars
Stars growing over the last 30 days34,457Last commit
18 hours agoLicense
MIT
Cross-platform desktop app that transcribes your voice into any text field using a keyboard shortcut, with all processing done locally on your machine.
Open Source Alternative to:
Open-source coding agent for your IDE and terminal
Stars
36,300Last commit
1 day agoLicense
Apache-2.0
Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Open Source Alternative to:
Unlock Product Insights with Open-Source Analytics
Stars
40,391Last commit
7 hours agoLicense
MIT
All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Open Source Alternative to:
Local AI meeting transcription with zero data leaving your device
Stars
Stars growing over the last 30 days32,095Last commit
11 hours agoLicense
MIT
Records, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.
Open Source Alternative to:
Open-source financial terminal for data-driven insights
Stars
Stars growing over the last 30 days32,965Last commit
11 days agoLicense
AGPL-3.0
Comprehensive financial data platform offering economic insights, market analysis, and portfolio management tools
Open Source Alternative to:
AI coding agent and CLI for complex terminal workflows
Stars
27,519Last commit
24 days agoLicense
Apache-2.0
Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.
Open Source Alternative to:
Fast, AI-native web browser built for automation and scraping
Stars
Stars growing over the last 30 days36,915Last commit
12 hours agoLicense
AGPL-3.0
Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.
Open Source Alternative to:
Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.
CodeRabbit
InfluxDB
Postiz