







regex101 for the terminal — real-time matching, 3 engines, capture groups, replace mode, syntax highlighting, plain-English explanations, undo/redo, mouse support. Written in Rust.
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Ratatui
Ratatui: Cook up delicious terminal user interfaces in Rust - the fast and lightweight TUI library trusted by developers

RegExr: Learn, Build, & Test RegEx
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).


affaan-m/everything-claude-code
Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from an Anthropic hackathon winner.
Script Wizards
A TTRPG and software studio. Small tools for running games, and a zine for hackers who play them.

How Our Rust-to-Zig Rewrite is Going
For the past year and a half, the team building Roc's compiler has been rewriting our 300,000 lines of Rust code into Zig, for reasons I'll recap below. We recently passed an exciting milestone: feature parity with the original compiler!
Pony
An open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language.
Vim anti-patterns | Arabesque
The benefits of getting to grips with Vim are immense in terms of editing speed and maintaining your “flow” when you’re on a roll, whether writing code, poetry, or prose, but because the learning curve is so steep for a text editor, it’s very easy to retain habits from your time learning the editor that stick with you well into mastery. Because Vim makes you so fast and fluent, it’s especially hard to root these out because you might not even notice them, but it’s worth it. Here I’ll list some of the more common ones.
mudcoders/awesome-mud
🖥 A curated list of bookmarks, tools, tutorials, and other cool resources for text-based game developers.
A Markdown Editor on AT Protocol — Diffdown
Diffdown — collaborative markdown editing on AT Protocol.
hey-api/openapi-ts
🌀 OpenAPI to TypeScript codegen. Production-ready SDKs, Zod schemas, TanStack Query hooks, and 20+ plugins. Used by Vercel, OpenCode, and PayPal.
Impeccable: Design skills for AI harnesses
1 skill, 23 commands, and curated anti-patterns for impeccable frontend design. Works with Cursor, Claude Code, GitHub Copilot, Gemini CLI, and Codex CLI.
