Open Source Rust Projects
Discover 111 open source Rust repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Rust projects here are most often combined with CLI, Developer Tools and AI Agents. Last updated October 4, 2026.
111 repositories · updated October 4, 2026
r55: Run Rust Smart Contracts in an Ethereum Execution Environment
R55 is an experimental Ethereum execution environment that runs RISC-V smart contracts alongside EVM contracts on the same state. It targets Rust developers and teams exploring alternate execution paths for Ethereum contracts.
donutbrowser: Manage Isolated Chromium Browser Profiles
Donut Browser is a desktop Chromium profile manager built around a privacy-focused anti-detect engine. It is aimed at people who need separate browser identities, per-profile proxies, and optional sync or automation integrations.
oxc: Build Fast JavaScript and TypeScript Tools
Oxc is a Rust-based toolchain for parsing, transforming, linting, formatting, minifying, and resolving JavaScript and TypeScript. Use its command-line tools directly or its components to build JavaScript tooling.
nuclear: Play and Organize Music Across Desktop Platforms
Nuclear is a free desktop music player for Windows, macOS, and Linux that searches for music and streams it from available sources. It suits listeners who want playlists, plugin-based features, and playback controls without ads or tracking.
hexora: Scan Python Code for Malicious Patterns
Hexora analyzes Python source for suspicious behavior using static rules and a machine-learned file score. It is intended for security teams and developers reviewing packages, dependencies, and scripts for potential threats.
nexus-zkvm: Prove Rust Program Execution with Zero Knowledge
Nexus zkVM is a Rust-based virtual machine for generating zero-knowledge proofs of program execution. It is aimed at developers exploring verifiable computation who need a modular, publicly specified system and can work with experimental software.
zen: Run Business Rules Across Languages
ZEN is a Rust-based business rules engine that evaluates portable JSON decisions consistently across multiple programming languages. Use it to make complex business logic readable, testable, and reusable across services and applications.
harmony: Render and Parse OpenAI Harmony Conversations
OpenAI Harmony is a Rust-based library with Python bindings for rendering and parsing the conversation format used by gpt-oss. It is useful for developers building inference systems that need to handle Harmony messages, channels, and tool calls directly.
rig: Build LLM Applications in Rust
Rig is a Rust library for building modular LLM applications, with shared interfaces for model providers, vector stores, and agent workflows. It suits Rust developers who want to integrate multiple LLM services without building each integration from scratch.
meetily: Transcribe and Summarize Meetings Locally
Meetily is a desktop meeting assistant that records, transcribes, and summarizes meetings using local models and configurable AI providers. It suits people and organizations that want more control over meeting data than cloud-first tools provide.
memvid: Store Persistent AI Memory in a Single File
Memvid is a Rust-based memory layer that stores content, search indexes, and metadata in a portable .mv2 file. It suits developers building agents that need local, persistent retrieval without operating a separate database service.
headway: Run a Self-Hosted OpenStreetMap Stack
Headway bundles a map frontend, basemap, geocoder and routing engine into a self-hostable OpenStreetMap stack. Use it to serve maps, search and driving, cycling or walking directions for a chosen area using your own location data.