Performance Analysis GitHub Repositories (2026) · Open Source Tools

Transparent and Efficient Financial Analysis

Automated auditing, performance metrics, and best practices for the web.

Sampling profiler for Python programs

pprof is a tool for visualization and analysis of profiling data

PerfView is a CPU and memory performance-analysis tool

Tested JavaScript snippets that measure and debug web performance. Your AI agent runs them for you, or you run them yourself in DevTools: the same code every time.

Caliper is an instrumentation and performance profiling library

Tracing tools for ROS 2.

🩺⚡ Runtime Doctrine ORM analysis integrated into Symfony Web Profiler. Detect N+1 queries, security vulnerabilities, and performance issues during query execution.

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.