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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urlcat
A tiny JavaScript library that builds correct URLs easily.
PHP_XLSXWriter
Lightweight, low-memory PHP library for writing Excel XLSX spreadsheets
afl.rs
Fuzz-test Rust code with AFLplusplus using the afl crate's fuzz macros and cargo-afl tooling.
django-constance
A Django app for storing dynamic, admin-editable settings in pluggable Redis or database backends.
Ladybug
Native Node.js bindings for Ladybug, an embeddable Cypher graph database with zero-copy Arrow results.
PHP CSS Parser
A pure-PHP parser that turns CSS files into an editable object tree and back into optimized stylesheets.
Gregwar Captcha
Generate distorted CAPTCHA images in PHP to stop bots.
EbookLib
A Python library for reading, writing, and manipulating EPUB2/EPUB3 ebook files programmatically.
Laravel FFMpeg
FFmpeg integration for Laravel with a fluent API and Filesystem-aware media handling.
PHP Barcode Generator
Generate 1D barcodes as SVG, PNG, JPG, or HTML from PHP with no framework needed.
AutoNumeric
Live as-you-type formatting and masking for international numbers and currencies on form inputs.
drf-nested-routers
Routers and relation fields for building nested REST resources in Django REST Framework.
is
TypeScript-first runtime type checking with type guards, assertions, and generic-aware inference for over 100 JavaScript and TypeScript value types.
typeguard
Run-time type checking for Python functions and objects using PEP 484 annotations.
Symfony String
An object-oriented PHP API for strings that unifies byte, UTF-8 code point, and grapheme cluster handling
xlsx2csv
A fast, memory-efficient converter that turns large XLSX spreadsheets into CSV from the command line or Python.
@messageformat/parser
An AST parser for ICU MessageFormat strings, turning plural, select, and argument syntax into a typed token tree.
sea-query
A dynamic SQL query builder for Rust that constructs MySQL, Postgres, and SQLite queries as safe, composable abstract syntax trees.
markdown-toc
Generates and injects a markdown table of contents into README files, using Remarkable to parse headings.
django-tailwind
Adds Tailwind CSS v4 to any Django project with a single management command, no Node.js required in standalone mode.
jdenticon
JavaScript library that generates deterministic, recognizable identicons as SVG or canvas graphics in the browser and on Node.js.
io-uring
Low-level Rust bindings for Linux's io_uring asynchronous I/O interface.
vue-clipboard2
Vue 2 and 3 binding for clipboard.js with copy directives and a $copyText method
Symfony Polyfill Iconv
A pure-PHP polyfill for the iconv extension, providing character-set conversion on any PHP host.
