Full featured Promises/A+ implementation with exceptionally good performance
Easily measure performance metrics in JavaScript
New Relic agent
oxlint plugin for React Doctor: diagnose React codebases for security, performance, correctness, accessibility, bundle-size, and architecture issues
The core Node library used to integrate with Codspeed runners
vitest plugin for CodSpeed
Server for Unlighthouse
tinybench compatibility layer for CodSpeed
NestJS Performance Benchmark Program
Nuxt I18n Micro is a lightweight, high-performance internationalization module for Nuxt, designed to handle multi-language support with minimal overhead, fast build times, and efficient runtime performance.
A lightweight, high-performance virtual list component for Svelte 5 that renders large datasets with minimal memory usage. Features include dynamic height support, smooth scrolling, TypeScript support, and efficient DOM recycling. Ideal for infinite scrol
monitor nodejs applications
Foundational UI component library for OpenSite Semantic Site Builder with tree-shakable exports and abstract styling
roblox-ts transformer: GetService hoisting, property chain caching, and loop bounds hoisting
A stylelint plugin that checks the complexity, design tokens, maintainability and correctness of your CSS.
Drop-in zod replacement that lazily constructs compound schemas for dramatic cold-start speedups. Exports z (lazy, drop-in), eagerZ (real zod, zero overhead), and lazyZ (explicit factory wrapper).
An adapter for deploying an Astro application to AWS Lambda
Zero-GC reactive graph. Monomorphic object pool, versioned push-pull propagation, 32-bit modular versioning. Built for hot paths and long-running processes.
KRSON v6 — High-performance binary serialization. Native arrays/maps, ZigZag, offset tables, string dedup, all fixed-size fields get true O(1) access. 2-5x faster, 30-50% smaller than JSON for read-heavy / partial-access workloads.