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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jupyterlab_pygments
A Pygments syntax-highlighting style that mirrors JupyterLab's CodeMirror theme colors for code rendered outside the notebook editor.
pypd
PagerDuty's original community-supported Python client for the v2 REST API, now deprecated in favor of PDPyras.
base62
URL-safe base62 encoding and decoding for integers and byte data in Python
wiremock
Python client and Testcontainers integration for driving a WireMock server from tests
resend-rs
The official Rust SDK for sending email through the Resend API.
Universal Zopfli
A WebAssembly build of Google's Zopfli compressor, usable from both Node.js and browsers with no native build step.
errno
Cross-platform Rust access to the OS errno variable, with human-readable error descriptions on Unix, Windows, WASI, and Hermit.
@nodelib/fs.walk
A fast, callback-based, synchronous, and streaming library for recursively walking directory trees in Node.js.
RoadRunner HTTP
PSR-7/PSR-17 worker client that bridges RoadRunner's Go HTTP server to standard PHP request objects
Kuchikiki
An HTML tree-manipulation library for Rust with CSS-selector matching, a maintained fork of Kuchiki.
oas3-rs
Rust structures and tools to parse, navigate, and validate OpenAPI v3.1.x specifications with order-preserving maps.
tink-py
Google's misuse-resistant cryptography library for Python, providing safe AEAD, MAC, digital signature, and hybrid encryption APIs.
tree-sitter-pascal
Fast, incremental Pascal grammar for the Tree-sitter parsing framework.
Python JSONPath
A flexible RFC 9535 JSONPath engine for Python with JSON Pointer and JSON Patch.
whatthepatch
A pure-Python library for parsing and applying unified, context, ed, and SCM-style patch/diff files.
psalm/plugin-phpunit
A Psalm static analysis plugin that understands PHPUnit test classes, mocks, and data providers.
pytest-pylint
Run pylint checks as pytest test items, failing your build on configurable pylint rule severities.
Square PHP SDK
The official PHP client library for the Square API, covering payments, orders, catalog, and more.
tui-banner
Cinematic ANSI banner rendering for Rust CLI and TUI apps, with gradients, dithering, shadows, and built-in animations.
azure-data-lake-store-python
Pure-Python filesystem client for Azure Data Lake Storage Gen1, with pandas-style file objects and multi-threaded transfer.
codspeed-criterion-compat
Drop-in Criterion.rs compatibility layer that runs Rust benchmarks under CodSpeed.
json-source-map
Parses and stringifies JSON while mapping every key and value to its exact line, column, and character position.
react-refractor
A thin React wrapper around refractor/Prism that renders syntax-highlighted code as virtual DOM instead of touching the DOM directly.
bcp-47
Parse and stringify BCP 47 language tags into structured, spec-compliant schema objects.