An extremely fast Python package and project manager, written in Rust.

ripgrep recursively searches directories for a regex pattern while respecting your gitignore

🌴 Empowering everyone to build reliable and efficient smart contracts.

Rust full node implementation of the Fuel v2 protocol.

An extremely fast Python linter and code formatter, written in Rust.

A simple, fast and user-friendly alternative to 'find'

Extremely fast Query Engine for DataFrames, written in Rust

Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.

A scalable, distributed, collaborative, document-graph database, for the realtime web

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

Scalable datastore for metrics, events, and real-time analytics

🚀2.3x faster than MinIO for 4KB object payloads. RustFS is an open-source, S3-compatible high-performance object storage system supporting migration and coexistence with other S3-compatible platforms such as MinIO and Ceph.

Search infrastructure for AI

a structural diff that understands syntax 🟥🟩

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

Development at the speed of light

Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.

Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.

A high-performance observability data pipeline.

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

YC (S26) | AI that knows what you've seen, said, or heard. Records everything you do, say, hear 24/7, local, private, secure

Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.

A Rust compiler front-end for IDEs

A simple, decentralized mesh VPN with WireGuard support.

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Ohayou(おはよう), HTTP load generator, inspired by rakyll/hey with tui animation.

Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

A polyglot document intelligence framework with a Rust core. Extract text, metadata, images, and structured information from PDFs, Office documents, images, and 97+ formats. Available for Rust, Python, Ruby, Java, Go, PHP, Elixir, C#, R, C, TypeScript (Node/Bun/Wasm/Deno)- or use via CLI, REST API, or MCP server.

Sui, a next-generation smart contract platform with high throughput, low latency, and an asset-oriented programming model powered by the Move programming language

A modern TLS library in Rust

Powerful system-level package manager for Linux, macOS and Windows written in Rust – building on top of the Conda ecosystem.

The Mullvad VPN client app for desktop and mobile

Coding Agent Harness

A fast type checker and language server for Python

Aptos is a layer 1 blockchain built to support the widespread use of blockchain through better technology and user experience.

The open-source Observability 2.0 database. One engine for metrics, logs, and traces — replacing Prometheus, Loki & ES.

The live data layer for apps and AI agents. Create up-to-the-second views into your business, just using SQL

Desktop GUI Framework

Modular, contributor-friendly and blazing-fast implementation of the Ethereum protocol, in Rust

High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

Static analysis for GitHub Actions

A Rust based DNS client, server, and resolver

A Language Server for Postgres

Readyset is a MySQL and Postgres wire-compatible caching layer that sits in front of existing databases to speed up queries and horizontally scale read throughput. Under the hood, ReadySet caches the results of cached select statements and incrementally updates these results over time as the underlying data changes.

PostgreSQL connection pooler, load balancer and database sharder.

Build system, successor to Buck

Restate is the platform for building resilient applications that tolerate all infrastructure faults w/o the need for a PhD.

Blazing-fast Data-Wrangling toolkit

The Rust package registry

Ethereum consensus client in Rust

The open source and enterprise-ready webhooks service 🦀

A native Rust library for Delta Lake, with bindings into Python

Next Generation Agentic Proxy for AI Agents and MCP servers

The Stacks blockchain implementation

The open-source package registry for modern JavaScript and TypeScript

The Parity Polkadot Blockchain SDK

Declare your digital independence

Reference client for NEAR Protocol

LeanCTX — the Context OS for AI development. One local binary that compresses, remembers, routes, and verifies every token between your code and the model. 63 MCP tools, 10 read modes, up to 99% token savings. Works with Cursor, Claude Code, Copilot, Windsurf, Codex, Gemini.

Low latency web data collector

Stream your Postgres data anywhere in real-time. Simple Rust building blocks for change data capture (CDC) pipelines.

ZeroFS - The Filesystem That Makes S3 your Primary Storage. ZeroFS is 9P/NFS/NBD on top of S3. Initially built for www.merklemap.com

The Feldera Incremental Computation Engine

An educational OLAP database system.

Gossip-based service discovery (and more) for large distributed systems.

The Auron accelerator for distributed computing framework (e.g., Spark) leverages native vectorized execution to accelerate query processing

Internet Computer blockchain source: the client/replica software run by nodes

A cloud-native open source distributed time series database with high performance, high compression ratio and high availability.

Cloudflare's Rust service foundations library.

An ergonomic Python HTTP Client with TLS fingerprint

Lakekeeper is an Apache-Licensed, secure, fast and easy to use Apache Iceberg REST Catalog written in Rust.

Remove unused Rust dependencies with this one weird trick!

Media over QUIC: Real-time latency at massive scale

New JavaScript engine written in Rust

HTTP, SOCKS4, SOCKS5 proxies scraper and checker with rich functionality.

Fast Markdown linter and formatter written in Rust

[Acquired by The Guild] The Grafbase GraphQL Federation Gateway

The Nervos CKB is a public permissionless blockchain, and the layer 1 of Nervos network.

High-performance AI coding agent CLI written in Rust with zero unsafe code

Detect leaked secrets + live validation. Map blast radius across your stack. Revoke fast. 950+ rules.

modular service framework to move and transform network packets

Triton's Dragon's Mouth Yellowstone gRPC service for high-performance Solana streaming

MQTT Server/MQTT Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era

A configurable, high-performance routing runtime for Apollo Federation 🚀

the blockchain for payments

A persistent key-value storage in rust.

Minimalist, stable, modular, fast, and ZK native implementation of the Ethereum protocol in Rust. L1 and L2 execution client.

AI-Native & Cloud-Native FS: A high-performance file semantic layer for cloud object storage, integrated with high-speed cache

A toolkit for polynomial IOPs (PIOPs)

A cozy terminal clubhouse for developers. Lofi beats, casual games, chat, and tech news, all via SSH.

Open-source universal artifact registry. Drop-in Artifactory/Nexus alternative with 40+ package formats, security scanning, WASM plugins, and edge replication.

🌲 Rust Filecoin Node Implementation

A Starknet full node written in Rust

Scalable graph analytics database powered by a multithreaded, vectorized temporal engine, written in Rust

All components used to run Base

rbuilder is a blazingly fast, state of the art Ethereum MEV-Boost block builder written in Rust

Durable Streams API