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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bitflags
A Rust macro for generating ergonomic, well-defined bitflag enum types
filenamify
Convert any string into a valid, cross-platform safe filename in one function call.
Getopts
Fast, dependency-free CLI argument parser for Node.js
OpenFeature Server SDK
The vendor-agnostic Node.js SDK implementing the OpenFeature specification for feature flagging, with providers, targeting, hooks, and multi-provider support.
django-countries
A Django model and form field for ISO 3166-1 country choices, with translated names and flag icons built in.
is-valid-path
Lightweight utility that checks whether a string is a valid, non-glob file path in Node.js.
Valitron
Simple, elegant, dependency-free validation for PHP.
Laravel Pennant
A simple, lightweight feature-flag package for Laravel applications
laravel-model-flags
Add lightweight, queryable boolean flags to Eloquent models without adding a migration column for every piece of state you need to track.
python-sdk
Vendor-agnostic feature flagging API for Python, letting you swap flag providers without touching call sites.
valid-data-url
Lightweight regex-based validator that checks whether a string is a well-formed RFC 2397 data URL.