A fully persistent balanced binary search tree

A Light–weight CSS Preprocessor

Tree-sitter bindings for the web

Tree or binary tree printer, print any tree to terminal or debug window

Light-weight observable implementation and utils written in TypeScript. Based on zen-observable.

Fine-tune cheap open-source LLMs (GLM, Qwen, DeepSeek) on your AI coding agent's successful runs with LoRA (SFT + DPO) so your model cascade escalates to expensive frontier models (GPT, Claude) less often — cutting cost-per-resolved. Turns run history int

Layout algorithms for visualizing hierarchical data.

Bash grammar for tree-sitter

Node.js bindings to the Tree-sitter parsing library

Check if something can be an ecmascript (javascript) identifier name

Latin/European fallback fonts for EmbedPDF - Noto Sans (9 weights × 2 styles)

esast (and estree) utility to visit nodes

Attach comments to estree nodes

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

Get the dependency tree of a module

kill trees of processes

Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)

tree-select ui component for react

Self-host the Inter font in a neatly bundled NPM package.

mdast utility to find definition nodes in a tree