Performance GitHub Repositories (2026) · Open Source Tools

⚡️ Express inspired web framework written in Go

Cut the memory of Laravel queue workers by up to 80 %: queue:work and Horizon workers fork from one template that shares compiled code. Drop-in, no code changes.

Next-gen browser and mobile automation test framework for Node.js

Micro second messaging that stores everything to disk

📈 A small, fast chart for time series, lines, areas, ohlc & bars

A BVH implementation to speed up raycasting and enable spatial queries against three.js meshes.

Fast and low overhead web framework, for Node.js

Powerful, joyful building blocks for modern cloud-native applications.

A performance profiler for Minecraft clients, servers, and proxies.

Plug-and-play web font optimization and configuration for Nuxt apps.

SpreadCheetah is a high-performance .NET library for generating spreadsheet (Microsoft Excel XLSX) files.

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.

Framework agnostic tools for accessing data from font CDNs and providers

A zero-config, fast and small virtual list, grid and masonry component for React, Vue, Solid, Svelte and Angular.

Open-source library of optimized deep learning operations (matmul, convolution, attention) for CPUs (x64, AArch64, RISC-V) and Intel GPUs. Used by PyTorch, TensorFlow, OpenVINO, and ONNX Runtime.

TYPO3 e-commerce extension for ultra fast online shops, scalable marketplaces, complex B2B applications and #gigacommerce

pprof is a tool for visualization and analysis of profiling data

Continuous Profiling Platform. Debug performance issues down to a single line of code

APM, (Application Performance Management) tool for large-scale distributed systems.

A modern, mostly zero-allocation C++23 library for working with low-level Windows within user-space. Iteration over loaded modules via PEB, EAT iteration, lazy imports, syscalls, and more.