Top PERFORMANCE GitHub Repositories & Tools (2026)

Speed up a Laravel app by caching the entire response

OpenLake is a high performance storage engine for efficient LLM inference and GPU Training

Lightweight, general, scalable C++ library for finite element methods

JS to WASM compiler

Command-line control panel for Nginx Server to manage WordPress sites running on Nginx, PHP, MySQL, and Let's Encrypt

Identify database issues before they hit production.

Linear optimization software

Rust profiler for CPU, memory, SQL, HTTP, and async performance, with Prometheus and Grafana support.

An open-source protocol enabling high-performance, local-first, peer-to-peer, end-to-end encrypted collaborative apps.

An open-source, cloud-native, high-performance gateway unifying multiple LLM providers, from local solutions like Ollama to major cloud providers such as OpenAI, Groq, Cohere, Anthropic, Cloudflare and DeepSeek.

A modern performance-focused theme development toolkit for WordPress.

Alba is a JSON serializer for Ruby, JRuby and TruffleRuby.

The tool to avoid various issues due to inconsistencies and inefficiencies between a database schema and application models.

High-Performance Rendering Framework on Stream Architectures

Unsafely fast hashing algorithm 📈

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).

A fast minimal dependency implementation of Apache Parquet

An open source Valkey client library that supports Valkey, and Redis open source 6.2, 7.0 and 7.2. Valkey GLIDE is designed for reliability, optimized performance, and high-availability, for Valkey and Redis OSS based applications. GLIDE is a multi language client library, written in Rust with programming language bindings, such as Java and Python

Sentry SDK for .NET

Performance optimization plugin for WordPress