Open Source Performance Tools
Discover 54 open source Performance repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Performance projects here are most often combined with Library, Python and Developer Tools. Last updated October 4, 2026.
54 repositories · updated October 4, 2026
nexus-zkvm: Prove Rust Program Execution with Zero Knowledge
Nexus zkVM is a Rust-based virtual machine for generating zero-knowledge proofs of program execution. It is aimed at developers exploring verifiable computation who need a modular, publicly specified system and can work with experimental software.
hyperpb-go: Parse Protobuf Messages Faster in Go
hyperpb-go is a Go library for fast, read-only parsing of dynamic Protobuf messages. It targets services that load schemas at runtime and need efficient reflection-based processing, with trade-offs including an experimental API and support limited to amd64 and arm64.
Nuitka: Compile Python Programs to Executables
Nuitka compiles Python programs into C-based executables or extension modules while aiming to preserve CPython behavior. It is useful for distributing Python applications and building compiled modules, but requires a compatible C or C++ compiler.
systeminformer: Monitor Windows Activity and Debug Processes
System Informer is a Windows utility for monitoring system resources, inspecting processes, debugging software, and investigating malware. It suits administrators and developers who need detailed, real-time visibility into system activity.
chatterbox-vllm: Generate Speech with Chatterbox on vLLM
A vLLM port of the Chatterbox text-to-speech model, built to improve GPU throughput and support batched generation. It suits developers with compatible Nvidia hardware who can work with an early, changing implementation.
imgproxy: Resize and Convert Images on Demand
imgproxy is a standalone HTTP server that resizes, transforms, and converts images when requested. It suits teams that want to move image processing out of their application and serve optimized images through a URL-based API.