Best Open Source performance Libraries
A curated list of the most popular GitHub repositories tagged with performance. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1gin-gonic/gin
Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.
#2gofiber/fiber
⚡️ Express inspired web framework written in Go
#3fastify/fastify
Fast and low overhead web framework, for Node.js
#4solidjs/solid
A declarative, efficient, and flexible JavaScript library for building user interfaces.
#5lovell/sharp
High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
#6grafana/k6
A modern load testing tool, using Go and JavaScript
#7locustio/locust
Write scalable load tests in plain Python 🚗💨
#8bvaughn/react-virtualized
React components for efficiently rendering large lists and tabular data
#9Atlas-OS/Atlas
🚀 An open and lightweight modification to Windows, designed to optimize performance, privacy and usability.
#10aFarkas/lazysizes
High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
#11aidenybai/million
Optimizing compiler for React
#12thedaviddias/Front-End-Performance-Checklist
🎮 The only Front-End Performance Checklist that runs faster than the others
#13gofr-dev/gofr
An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.
#14infernojs/inferno
:fire: An extremely fast, React-like JavaScript library for building modern user interfaces
#15wolfpld/tracy
Frame profiler
#16winsiderss/systeminformer
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ http://www.windows-internals.com
#17leeoniya/uPlot
📈 A small, fast chart for time series, lines, areas, ohlc & bars
#18webdriverio/webdriverio
Next-gen browser and mobile automation test framework for Node.js
#19pastelsky/bundlephobia
🏋️ Find out the cost of adding a new frontend dependency to your project
#20apache/jmeter
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
#21google/pprof
pprof is a tool for visualization and analysis of profiling data
#22codenotary/immudb
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
#23artilleryio/artillery
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
#24orientechnologies/orientdb
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
#25facebook/memlab
A framework for finding JavaScript memory leaks and analyzing heap snapshots
#26arrayfire/arrayfire
ArrayFire: a general purpose GPU library.
#27AllThingsSmitty/must-watch-css
🔥 CSS talks you have to see ⚡️ covering CSS Grid, flexbox, custom variables, performance, frameworks, Sass, tools, and more! 🚀
#28parca-dev/parca
Continuous profiling for analysis of CPU and memory usage, down to the line number and throughout time. Saving infrastructure cost, improving performance, and increasing reliability.
#29yandex/perforator
Perforator is a cluster-wide continuous profiling tool designed for large data centers
#30neomjs/neo
The Application Engine for the AI Era. A multi-threaded, AI-native runtime with a persistent Scene Graph, enabling AI agents to introspect and mutate the living application structure in real-time.
#31bencherdev/bencher
🐰 Bencher - Continuous Benchmarking
#32bujue3709/chatgpt-Long-conversation-optimization
A useful plugin for the ChatGPT web platform, focusing on long conversation browsing, exporting, searching, prompt management, and timeline navigation. 🚀||优化ChatGPT长会话卡顿，聊天记录一键导出，消息搜索跳转，会话管理，prompt管理和时间线导航
#33ubugeeei/vize
Unofficial High-Performance Vue.js Toolchain in Rust
#34nuxt/fonts
Plug-and-play web font optimization and configuration for Nuxt apps.
#35nuxt-modules/fontaine
🔤 Font metric overrides to reduce CLS
#36nuxt-modules/partytown
Partytown integration for Nuxt. Run third-party scripts from a web worker.
#37unjs/unifont
Framework agnostic tools for accessing data from font CDNs and providers