Simple .INI file parser in C, good for embedded systems
A POSIX-compliant AWK interpreter written in Go, with CSV support
Better directory iterator and faster os.walk(). Archived, as this has been in the stdlib since Python 3.5.
Python library to calculate the difference hash (perceptual hash) for a given image, useful for detecting duplicates
Just enough git (written in Python) to create a repo and push to GitHub
Playing with counting word frequencies (and performance) in various languages.
Compile a subset of the Python AST to x64-64 assembler
A little language interpreter written in Go
Lox interpreter written in Lox
Third, a small Forth compiler for 8086 DOS
Python 3 compatible library to send data to a Graphite metrics server (Carbon)
Symplate, a simple and fast Python template language (NOTE: no longer maintained; use Jinja2 or Mako instead)
Run small snippets of Go code from the command line
A False compiler and interpreter written in ANS Forth