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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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.
chargebee-python
Official Python client library for the Chargebee subscription billing and revenue-management API.
zipstream-ng
A modern Python library for generating and streaming ZIP files without buffering them in memory.
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
pydantic-collections
Validated, list-like collections of Pydantic models via a single BaseCollectionModel class.
python3-openid
OpenID 2.0 authentication library for Python 3, with relying-party (consumer) and identity-provider (server) support.
zope.event
A minimal synchronous event publishing and dispatch system for Python.
py-ubjson
Universal Binary JSON (UBJSON) draft-12 encoder and decoder for Python
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.
BlendModes
Apply Photoshop-style layer blend modes to images in Python with NumPy and Pillow
@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.
fastar
High-performance Python tar archives powered by Rust
altcha
Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.
weakmap-polyfill
A lightweight, spec-compliant ES6 WeakMap polyfill for browsers and JS engines without native support.
matplotlib-inline
Inline Matplotlib backend that renders figures directly inside Jupyter and IPython notebook cells.
Microsoft Kiota Abstractions
Core request, serialization, and auth abstractions that every Kiota-generated Python API client depends on to build and run.
simple-xml-to-json
A tiny, dependency-free library that transpiles XML into JSON through an AST.
