pre-commit is a framework to run hooks written in many languages, and it manages the language toolchain and dependencies for running the hooks.

prek is a reimagined version of pre-commit, built in Rust. It is designed to be a faster, dependency-free and drop-in alternative for it, while also providing some additional long-requested features.

CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR and Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.

The tool is designed to enable both technical and non-technical analysts to manipulate data in complex ways without having to deal with complex tools or algorithms. It was conceived, designed, built and incrementally improved by an analyst in their 10% innovation time over several years.

Typed and DST-safe datetimes for Python, written in Rust

Scriv is a command-line tool for helping developers maintain useful changelogs. It manages a directory of changelog fragments. It aggregates them into entries in a CHANGELOG file.

our tiny and overly-simple FIFO queue library is now compatible with recent Redis/redis.py versions

My PyCon Ru 2014 slides about writing secure APIs are online:

RT @mitsuhiko: My experience with JavaScript over the weekend has now made me write a blog post: “Stop Being Cute and Clever”

RT @lunivore: Really liking this article on pragmatic management of technical debt by @henrikkniberg