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
#16pinpoint-apm/pinpoint
APM, (Application Performance Management) tool for large-scale distributed systems.
#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
#30modelscope/evalscope
A streamlined and customizable framework for efficient large model (LLM, VLM, AIGC) evaluation and performance benchmarking.
#31ultimatepp/ultimatepp
U++ is a C++ cross-platform rapid application development framework focused on programmer's productivity. It includes a set of libraries (GUI, SQL, Network etc.), and integrated development environment (TheIDE).
#32kube-burner/kube-burner
Kubernetes performance and scale test orchestration framework written in golang
#33blackfireio/php-sdk
The Blackfire PHP SDK
#34certinia/debug-log-analyzer
Salesforce Apex debug log analyzer for VS Code - blazing-fast: flame charts, SOQL/DML, Apex insights & more
#35ubugeeei-prod/ox-content
A framework agnostic fastest and beautiful documentation & markdown tooling