single-file

The fastest feature-rich C++11/14/17/20/23 single-header testing framework

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

Paste any GitHub URL → interactive architecture map. See how files connect, find what breaks if you change something. No install, no accounts — runs entirely in your browser.

Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum

simple neural network library in C99

Header-only TOML config file parser and serializer for C++17.

tiny recursive descent expression parser, compiler, and evaluation engine for math expressions

Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20

CLI tool for saving a faithful copy of a complete web page in a single HTML file (based on SingleFile)

Fast & memory efficient hashtable based on robin hood hashing for C++11/14/17/20

Argh! A minimalist argument handler.

Single-file library for calculating 2D UI layouts using stacking boxes. Compiles as C99 or C++.

ISO C++ Core Guidelines Library implementation for C++98, C++11 up

A dependency free, embeddable debugger for Lua in a single file (.lua or .h)

gb single-file public domain libraries for C & C++

Give Claude Code photographic memory in ONE portable file. No database, no SQLite, no ChromaDB - just a single .mv2 file you can git commit, scp, or share. Native Rust core with sub-ms operations.

expected lite - C++23 expected objects for C++11 and later in a single-file header-only library

span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library

Real-time, photoreal shallow water in a single HTML file. WebGL2, no libraries, no build step.

string_view lite - A C++17-like string_view for C++98, C++11 and later in a single-file header-only library