Top Open Source Projects using Rust
A curated collection of the 150 best free and open-source projects built using Rust. Discover popular repositories, architecture patterns, and trending software in 2026.
Zen Browser
MPL-2.0A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Zed
NOASSERTIONA Rust-built code editor from the creators of Atom and Tree-sitter, combining native performance with multiplayer collaboration and deep AI integration.
xyd
MITCreate powerful, interactive documentation with hot reloading, TypeScript support, custom components, and built-in API docs generation.
Yaak
MITA modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.
Zellij
MITA terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.
Waterfox
NOASSERTIONFirefox-based browser with built-in ad blocking, oblivious DNS, zero telemetry, tree-style tabs, and no AI features sending your data anywhere.
Wraft
AGPL-3.0Complete document lifecycle management with automated generation, approval workflows, e-signatures, and branded templates. Create professional documents at scale.
Grok Build
Apache-2.0Terminal-based coding agent powered by Grok 4.5 that plans, builds, tests, and deploys across any codebase with parallel subagents and plugin support.
Chroma
Apache-2.0Open-source vector database designed for AI applications. Store, search, and retrieve embeddings with semantic similarity matching and metadata filtering.
Silex
AGPL-3.0An online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.
Spacedrive
NOASSERTIONA cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
OmoiOS
Apache-2.0Deploy AI agents that build features, fix bugs, and handle complex workflows overnight. Wake up to tested code and ready-to-review pull requests.
Navidrome
GPL-3.0Open source music server that streams your personal library via a web player or any Subsonic-compatible mobile app on iOS and Android.
NetData
GPL-3.0Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
OctoBot
GPL-3.0OctoBot is an open-source platform for automated cryptocurrency trading, offering customizable strategies and easy integration with exchanges.
LiteLLM
NOASSERTIONActs as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Laminar
Apache-2.0Laminar is an open-source platform that helps collect, understand, and utilize data for building high-quality LLM applications.
LibreOffice
GPL-3.0Complete free office suite compatible with Microsoft formats (.doc, .docx, .xls, .xlsx, .ppt, .pptx). Open source alternative with regular updates.
IronCalc
Apache-2.0IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.
Kanri
GPL-3.0Kanri is a free, open-source personal Kanban app that works offline, offering a modern and simple experience while respecting your privacy.
HelixDB
Apache-2.0Rust-built native graph-vector database combining vector similarity search and graph traversals. 10x faster development with unified architecture, sub-1ms queries.
Bifrost
Apache-2.0Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.
FireZone
Apache-2.0Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.
Firecrawl
AGPL-3.0API for AI agents to search, scrape, crawl, and interact with the live web, returning clean Markdown, structured JSON, or screenshots from any page.
Harper
Apache-2.0Open source grammar checker that analyzes your writing quickly while keeping your data completely private and secure on your device.
Windmill
NOASSERTIONPowerful, self-hosted platform for building and running workflows, scripts, and apps with code-first approach and collaborative features.
WezTerm
NOASSERTIONCross-platform terminal emulator and multiplexer with GPU acceleration, true color support, and Lua configuration. Runs on Linux, macOS, Windows, FreeBSD, and NetBSD.
Wealthfolio
AGPL-3.0Wealthfolio is a simple, secure desktop app for tracking investments and managing your wealth without compromising data privacy.
VoiceTypr
AGPL-3.0Dictate into any app on Mac or Windows using on-device AI models. One-time purchase, 99+ languages, no subscription required.
Minutes
MITRecords meetings and voice memos locally using whisper.cpp, writes structured markdown to disk, and exposes 31 MCP tools so any AI agent can query your conversation history.
undb
AGPL-3.0Build and manage custom databases with ease, create type-safe APIs, and develop applications quickly
Tuta
GPL-3.0Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Turso
MITTurso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.
Tolaria
AGPL-3.0A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.
Terrateam
MPL-2.0Automate infrastructure changes with secure GitOps workflows. Plan, validate, and deploy Terraform, OpenTofu, and Pulumi directly from pull requests.
Temps
Apache-2.0Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.
TDengine
AGPL-3.0High-performance time-series database with industrial data management, built-in stream analytics, and AI-driven anomaly detection for operational environments.
Tabularis
Apache-2.0Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.
Tabby
NOASSERTIONSelf-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
T3 Code
MITAdvanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.
Tailscale
BSD-3-ClauseDeploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.
Sure.am
AGPL-3.0An all-in-one personal finance platform. Track, optimize, grow, and manage your money through every stage of life.
Super Productivity
MITCombines task management, time tracking, Pomodoro focus sessions, and GitHub/Jira integration in a local-first app for Windows, macOS, Linux, Android, and iOS.
Stoat
NOASSERTIONSelf-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.
SlateDB
Apache-2.0SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.
SeekStorm
Apache-2.0Cloud search API and crawler service supporting billions of documents, real-time indexing, autocomplete, faceted filtering, and multi-language text across any application.
screenpipe
NOASSERTIONRecords your screen and microphone locally, transcribes meetings automatically, and lets you query your entire work history with AI or automate workflows through app integrations.
Scanopy
AGPL-3.0Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Scalar
MITScalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.
Ryot
GPL-3.0Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
RustDesk
AGPL-3.0Cross-platform remote desktop software that runs on your own servers, giving you full data control as a direct alternative to TeamViewer and AnyDesk.
Rivet
Apache-2.0Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Quickwit
Apache-2.0High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.
Qdrant
Apache-2.0Qdrant is an open-source vector database that provides high-performance similarity search for AI and machine learning applications.
QuestDB
Apache-2.0Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.
Proton Lumo
GPL-3.0AI chat assistant from Proton that stores conversations with zero-access encryption, never logs chats, and never uses your data to train models.
Procaptcha
Apache-2.0A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.
PostHog
NOASSERTIONAll-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
Penpot
MPL-2.0Design, prototype, and hand off to developers in one platform. Supports design systems, tokens, flexible layouts, and AI workflows with real CSS/HTML output.
Palform
AGPL-3.0Build end-to-end encrypted forms with enterprise-grade features, no coding required. Protect sensitive data and enhance user trust.
Paperclip
MITManages teams of AI agents across business functions with org charts, goal alignment, cost tracking, ticket tracing, and board-level governance controls.
Padloc
AGPL-3.0Open-source password manager with end-to-end encryption for passwords, credit cards, notes, and documents. Cross-platform sync with secure sharing capabilities.
OpenWork
NOASSERTIONDesktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.
OpenSearch
Apache-2.0Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabilities.
OpenPencil
MITA Figma-compatible design editor with built-in AI chat, headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. No account needed.
OpenObserve
AGPL-3.0Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.
OpenComputer
Apache-2.0Provides always-on virtual machines for AI agents with full OS access, persistent state, elastic CPU/memory resizing, and instant checkpoints.
OpenBB
NOASSERTIONConnects proprietary, licensed, and public financial data with AI agents in a self-hostable workspace for asset managers, hedge funds, and banks.
OpenClaw
NOASSERTIONA personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.
Onyx
NOASSERTIONAn open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information
OpenCut
MITBrowser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
Omnigent
Apache-2.0Meta-harness that sits above Claude Code, Codex, and other AI agents to add policy enforcement, sandboxing, and real-time collaborative sessions.
Nuclear
AGPL-3.0Open-source desktop music player for Windows, macOS, and Linux. Search artists and tracks across multiple sources, build playlists, and listen without ads or tracking.
Nightingale
GPL-3.0AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.
Neon Postgres
Apache-2.0Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing
Midday
AGPL-3.0All-in-one tool for freelancers and small businesses to manage finances, track time, store files, and send invoices efficiently.
Milvus
Apache-2.0Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
Meteroid
AGPL-3.0Open-source pricing and billing platform that helps SaaS companies launch, test, and scale complex billing models with ease. Features metering, invoicing, and real-time data.
Meetily
MITRecords, transcribes, and summarizes meetings entirely on your device using local AI. No bots, no cloud uploads, GDPR and HIPAA compliant by design.
Meilisearch
NOASSERTIONA powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.
mCaptcha
AGPL-3.0Privacy-focused proof-of-work CAPTCHA system that silently protects websites without tracking users or requiring image solving. Drop-in replacement for reCAPTCHA.
Memgraph
NOASSERTIONMemgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.
Maple
NOASSERTIONObservability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.
Macro Tasks
AGPL-3.0Task manager built for engineering teams, combining status tracking, priority management, GitHub integration, and AI agents that can close tasks automatically.
Macro Mail
AGPL-3.0An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Manticore Search
GPL-3.0Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.
Macro Docs
AGPL-3.0Collaborative markdown documents with real-time CRDT editing, AI agent cursors, mention linking, and built-in properties tied to your tasks, channels, and email.
Macro CRM
AGPL-3.0Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Macro Chat
AGPL-3.0Team 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.
LocalAI
MITRun LLMs, speech, image generation, and autonomous agents on your own hardware with an OpenAI-compatible API and 60+ swappable backends.
LocalSend
Apache-2.0Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.
Lightpanda
AGPL-3.0Purpose-built headless browser that delivers 10x faster performance and 10x lower memory usage compared to Chrome headless for web automation and AI workflows.
Latitude
MITOpen-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.
Ladybird
BSD-2-ClauseOpen source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetization.
Joplin
NOASSERTIONCross-platform note-taking app with end-to-end encryption, Markdown support, web clipping, and sync via Dropbox, OneDrive, or Joplin Cloud.
Lemmy
AGPL-3.0Open-source forum and link aggregator that connects communities across the fediverse. Self-hosted, ad-free, with powerful moderation tools and federation.
Jan
NOASSERTIONJan 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.
Jean
Apache-2.0Run multiple AI coding agents in isolated Git worktrees, with cross-repo context, GitHub/Linear integrations, and support for Claude, Codex, Cursor, and more.
Infisical
NOASSERTIONEnd-to-end encrypted secret management platform for seamless integration and enhanced security in development workflows.
Huly
EPL-2.0Combines project management, team chat, virtual office, and collaborative docs into a single platform. A self-hostable alternative to Linear, Jira, Slack, and Notion.
Hyperswitch
Apache-2.0A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Hoppscotch
MITLightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
Highlight
NOASSERTIONComprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Hoodik
NOASSERTIONLightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Hook0
NOASSERTIONSelf-hosted webhook solution for effortless event-driven communication between applications, enhancing system interoperability and automation.
Handy
MITCross-platform desktop app that transcribes your voice into any text field using a keyboard shortcut, with all processing done locally on your machine.
Hermes Agent
MITCross-platform desktop agent from Nous Research that connects to Telegram, Discord, Slack, WhatsApp, and more, with persistent memory, scheduling, and isolated sandboxing.
GreptimeDB
Apache-2.0Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Graphite
Apache-2.0A free, open source vector graphics editor built around nondestructive, node-based design. Runs locally in the browser, exports SVG, PNG, and JPG.
GoRules
MITModel business logic in decision tables, visual flows, and natural-language rules. Change rules without deploys, test every path, and run the same engine anywhere.
Authentik
NOASSERTIONauthentik is an open-source identity provider that offers self-hosted authentication, authorization, and user management for businesses of all sizes.
GitButler
NOASSERTIONGitButler is a powerful Git client that enables seamless work on multiple branches concurrently, enhancing your existing workflow.
GitComet
AGPL-3.0Open source Git GUI for Linux, macOS, and Windows, built in Rust for speed on large repositories with full diff, merge, and history tooling.
Workbench
MITDesktop app and embeddable dashboard for BullMQ that shows live queue metrics, job runs, FlowProducer graphs, and scheduler status without touching Redis directly.
Garage
AGPL-3.0Self-contained distributed object storage with S3 API compatibility. Runs on minimal hardware, replicates data across 3 zones for maximum resilience.
Forgecode
Apache-2.0AI coding harness that runs inside your terminal, mixes LLMs per task, and uses multi-agent architecture to handle large codebases without bloating context.
Forgecode
Apache-2.0AI coding harness that runs inside your terminal, mixes LLMs per task, and uses multi-agent architecture to handle large codebases without bloating context.
Fluxer
AGPL-3.0Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.
Firecamp
AGPL-3.0All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.
FastGPT
NOASSERTIONFastGPT is a free, open-source platform for creating AI-powered knowledge bases with data processing, model invocation, and visual workflows.
Bacalhau
Apache-2.0Bacalhau is an open-source platform for fast, cost-effective, and secure distributed computing, seamlessly integrating with Docker and WebAssembly workflows.
Ente
AGPL-3.0End-to-end encrypted cloud storage for photos and videos, offering privacy, security, and seamless cross-device syncing.
Encore
MPL-2.0A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Defguard
NOASSERTIONEnterprise-grade open source VPN solution combining WireGuard with mandatory 2FA/MFA and integrated OpenID Connect SSO for secure remote access
Deta Surf
Apache-2.0A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Databend
NOASSERTIONDatabend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.
Cube
NOASSERTIONCube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
Continue
Apache-2.0Runs source-controlled AI checks on every pull request, enforcing your engineering standards as native GitHub status checks with suggested fixes.
Convex
NOASSERTIONOpen-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.
CocoIndex
Apache-2.0Open-source ETL framework built in Rust for AI workloads. Features incremental processing, data lineage, and observability tools for semantic search and RAG applications.
ClickHouse
Apache-2.0High-performance columnar OLAP database system for real-time analytics on big data, with SQL support and linear scalability.
Cline
Apache-2.0AI coding agent that runs inside VS Code and the terminal, supporting multi-file edits, bash execution, and any LLM provider via bring-your-own-key.
Checkmk
GPL-2.0Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Cap
NOASSERTIONRecord your screen or webcam, edit with backgrounds and effects, then share via link. Built on Rust and Tauri for native performance on macOS and Windows.
Cap
NOASSERTIONLightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.
Buzz
Apache-2.0Workspace that combines team chat, project planning, and git management with AI agents that collaborate alongside your team on shared context.
Blinko
GPL-3.0The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Betterlytics
AGPL-3.0GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.
Ballerine
NOASSERTIONReduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Bitwarden
NOASSERTIONBitwarden is an open source password manager that securely stores, shares, and autofills passwords across unlimited devices.
AppFlowy
AGPL-3.0Open source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Anarlog
MITRecords system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.
Alacritty
Apache-2.0Modern cross-platform terminal emulator with OpenGL acceleration, extensive configuration options, and vi mode support for enhanced productivity.
Affine
NOASSERTIONOpen-source Notion & Miro alternative with docs, whiteboards, databases, and AI in one local-first workspace
ActivityWatch
MPL-2.0Open-source, privacy-first automated time tracker for all platforms
Beaver Notes
MITA privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.
Warp
AGPL-3.0Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.
Supabase
Apache-2.0Provides a full backend stack built on Postgres: authentication, auto-generated APIs, edge functions, realtime subscriptions, file storage, and vector search.
InfluxDB
Apache-2.0InfluxDB handles high-velocity, high-resolution time series data at scale, built for telemetry, edge devices, IoT, and physical AI workloads.
Elasticsearch
NOASSERTIONElasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.
