Parsing GitHub Repositories (2026) · Open Source Tools

The Open Source Java API for CityGML

Command line parsing, invocation, and rendering of terminal output.

Starlasu - A Language Engineering Framework

A few classes for extremely fast json parsing/serializing in modern C++. Possibly the fastest json parser in C++. Possibly the fastest json serializer in C++.

Go port of Python's parse library: extract named, typed fields from a string using a format() template.

A modern and lightweight library for working with email addresses in Java

Resilient LL(1) parser generator for Rust

GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.

scanf for modern C++

FeedKit is a Swift library for Reading and Generating RSS, Atom, and JSON feeds.