#fast

Fast NumPy array functions written in C

rari: High-performance React Server Components framework powered by a Rust runtime, delivering 14.5x faster response times (0.12ms vs 1.74ms) and 53.1x higher throughput (89,371 vs 1,683 req/sec) than Next.js with zero-config setup.

Multi-GB/s JSON (de)serialization written in AssemblyScript utilizing elegant SIMD and SWAR algorithms

🚀🌛 Use the Launch Platform 👩‍🚀👨‍🚀

A fast DynamoDB ORM for Python with a Rust core.

High performance Node.js/PostgreSQL job queue (also suitable for getting jobs generated by PostgreSQL triggers/functions out into a different work queue)

A fast, lightweight and more productive microservices framework

Designed for speed, scalability, and optimized performance, nextjs-turbo-redis-cache is your go-to solution Next.js cache handler for demanding production environments. If you use the app router and self-host, you will probably need this. Development sponsored by https://TRWK.de

View disk space usage and delete unwanted data, fast.

📝 Markdown and HTML renderer for Svelte 5 — built for streaming AI agent output from Claude Code, ChatGPT, and agentic workflows. XSS-safe defaults, token caching, TypeScript types.

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

A fast, lightweight HTML to Markdown converter optimized for LLM consumption. Uses proven parsing libraries to deliver clean, well-structured markdown with intelligent content extraction and noise filtering.

The embedded database for Node.js. Replaces SQLite, LowDB, NeDB & raw JSON files with MongoDB-style queries, ACID transactions, and zero native dependencies.

🦉 Fast Excel import/export for Laravel

The fastest .NET Reflection cache

🧵 A minimal and tiny Node.js Worker Thread Pool implementation (38KB)

Pure and simple virtual DOM library

JSON Schema validator for Draft 2020-12, draft 7 and the v1 dialect. Compiles schemas to plain JavaScript on first use, falls back to an interpreter where code generation is blocked, and points at the line that failed. No required binaries.

Browser / Nodejs Compatible Object Hashing

A fast and low allocation StringBuilder for .NET.

A fast and minimal alternative to globby and fast-glob

Tools for building Bazel targets when source files change.

A low-level, lightweight protocol buffers implementation in JavaScript.

A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

🖼️ A superfast in-memory Image type and view component for React Native, built with Nitro!

🔐🔐🔐 A simple Nodejs Async LDAP authentication library