#performance

Compiling Ember apps into spec-compliant, modern Javascript.

A framework for finding JavaScript memory leaks and analyzing heap snapshots

pprof is a tool for visualization and analysis of profiling data

This is the golang client integration for Pyroscope

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

💎 Ruby Distributed Tracing & Metrics Sensor for Instana

Kubernetes performance and scale test orchestration framework written in golang

Laravel Pulse is a real-time application performance monitoring tool and dashboard for your Laravel application.

Benchmarking and monitoring automation, designed for cloud, built with .NET.

Scalene: a high-performance, high-precision CPU, GPU, and memory profiler for Python with AI-powered optimization proposals

Node.js libraries to create CodSpeed benchmarks

Offline PII firewall for AI agents and LLM apps: fast local detection and redaction, Claude Code hook, LiteLLM guardrail. Zero network calls, one dependency.

Collect performance profiles for your Rails application.

Cross-platform lib for process and system monitoring in Python

High-precision, one-shot and consistent benchmarking framework/harness for Rust. All Valgrind tools at your fingertips.

🚴 Call stack profiler for Python. Shows you why your code is slow!

A 100% compliant, self-hosted javascript parser - https://meriyah.github.io/meriyah

The headless Chrome/Chromium driver on top of Puppeteer. Take screenshots, generate PDFs, extract text and HTML with a production-ready API.

Your agent writes bad React. This catches it

blazing fast Vue.js toolchain. compiler, linter, type checker, formatter, lsp, story system, editors. already passed 16k+ tests.

Redis client for Vert.x

Fast, secure JSON library with tight ZIO integration.

Backend-agnostic caching for Python — intent-based decorators with circuit breaker, distributed locking, Prometheus metrics, and optional zero-knowledge AES-256-GCM encryption, on a Rust-powered core. Zero-config L1 in-memory; scales to Redis, Memcached, File, or CacheKit Cloud.

Performance testing companion for React and React Native

The fastest Python web framework, built on Django. Rust (Actix Web) HTTP server + async typed handlers + msgspec, with the full Django ORM, Admin, middleware and auth. 300k+ req/s, no gunicorn/uvicorn.

The full-featured Golang Development Framework source code

JSON config representation of k6 script

Lossless compression C library built for ultra-fast decode. Faster than LZ4 (40-75%+ on ARM64), at a better ratio. Official Rust, Python, Node.js, Go and WASM bindings. Write-once/read-many, with optional seekable archives for O(1) random access.

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.

Node.js in-process collectors for Instana