tikv-jemallocator

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

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

Warp is an agentic development environment, born out of the terminal.

🌴 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.

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/

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

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

SpaceXAI's coding agent harness and TUI. Fullscreen, mouse interactive, extensible.

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.

Coding Agent Harness

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.

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

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

A modern TLS library in Rust

The Mullvad VPN client app for desktop and mobile

Plano is an AI-native proxy and data plane for agentic apps — with built-in orchestration, safety, observability, and smart LLM routing so you stay focused on your agents core logic.

Tunnel all your traffic over Websocket or HTTP2 - Bypass firewalls/DPI - Static binary available

A fast type checker and language server for Python

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

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

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

Desktop GUI Framework

Static analysis for GitHub Actions

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

A Rust HTTP server for Python applications

Static low-bandwidth search at scale

PostgreSQL connection pooler, load balancer and database sharder.

A Rust based DNS client, server, and resolver

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.