Hans Harder

A compact and high-performance JavaScript library for input masking. Weighing only 1.6 KB (gzip), it’s optimized for fast loading and ideal for any project requiring lightweight, flexible, and customizable input masks.

TVI is a small, fast terminal-based text editor inspired by Vi. It's based on the [kilo](https://github.com/antirez/kilo) text editor, but implements basic Vi/Vim-like functionality instead of Emacs-style editing.

A minimalist regular expression engine in C with {n} repetition, character classes, anchors, escapes, and built-in safety limits

A minimal command-line parser with short and long options in pure Perl