Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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whatthepatch
A pure-Python library for parsing and applying unified, context, ed, and SCM-style patch/diff files.
js-string-escape
Escapes strings into safe JavaScript string literals, correctly handling quotes, backslashes, and all four ECMAScript line-terminator characters.
final-form-arrays
Array mutators for Final Form that add push, pop, insert, remove, move, swap, and more to manage dynamic list fields.
flagsmith-js-client
The official JavaScript and React Native client SDK for Flagsmith, the open source feature flag and remote configuration platform.
commercetools Platform SDK
Fully-typed TypeScript client for every commercetools Composable Commerce API endpoint, generated straight from the platform's RAML spec.
tree-sitter-fortran
Fast, incremental Fortran grammar for the Tree-sitter parsing framework.
truncate
A tiny zero-dependency JavaScript utility that truncates text to a length while keeping URLs and email addresses intact.
csv-async
Async CSV reading and writing for Rust that mirrors the sync csv crate's API for tokio and async-std runtimes.
uaparser
Pure-Rust user-agent parser built on the shared uap-core regex definitions.
focus-options-polyfill
Polyfill for the focusOptions preventScroll flag on HTMLElement.focus().
mdit-py-plugins
A collection of core syntax plugins for the markdown-it-py parser
regexp.escape
A robust, spec-compliant polyfill for RegExp.escape() that safely escapes regex special characters, working as far down as ES3.
tree-sitter-zig
A fast, incremental Zig grammar for tree-sitter that powers syntax highlighting, code folding, and structural code queries in editors and dev tools.
@tryghost/api-framework
A composable request pipeline that runs Ghost's API controllers through validation, serialization, permissions, and query stages.
memory-level
In-memory abstract-level database for Node.js and browsers, backed by a fully persistent red-black tree.
configcat-js
Official JavaScript SDK for evaluating ConfigCat feature flags and remote config values directly in the browser.
weakmap-polyfill
A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.
simple-xml-to-json
A tiny, dependency-free library that transpiles XML into JSON through an AST.
smtp-proto
A fast, zero-copy SMTP/LMTP protocol parser for Rust covering every registered service extension.
Texting Robots
A Rust-native robots.txt parser, battle-tested against tens of millions of real-world sites.
@acemir/cssom
A pure-JavaScript CSS parser and CSS Object Model implementation.
estree-util-build-jsx
Converts JSX embedded in an ESTree syntax tree into React.createElement or automatic jsx-runtime calls.
git-url-parse
A Rust parser for the URLs used by git, extracting components and host provider details.
tree-sitter-svelte-ng
An incremental Tree-sitter grammar for Svelte component syntax.
