Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

29Health
Library PyPI

jupyterlab_pygments

A Pygments syntax-highlighting style that mirrors JupyterLab's CodeMirror theme colors for code rendered outside the notebook editor.

81
BSD 3
Used by 1
30Health
SDK PyPI

pypd

PagerDuty's original community-supported Python client for the v2 REST API, now deprecated in favor of PDPyras.

81
MIT
Used by 1
29Health
Library PyPI

base62

URL-safe base62 encoding and decoding for integers and byte data in Python

81
Other
Used by 1
35Health
SDK PyPI

wiremock

Python client and Testcontainers integration for driving a WireMock server from tests

81
Apache 2.0
Used by 1
77Health
SDK Cargo

resend-rs

The official Rust SDK for sending email through the Resend API.

81
MIT
Used by 1
23Health
Library npm

Universal Zopfli

A WebAssembly build of Google's Zopfli compressor, usable from both Node.js and browsers with no native build step.

81
Apache 2.0
Used by 1
49Health
Library Cargo

errno

Cross-platform Rust access to the OS errno variable, with human-readable error descriptions on Unix, Windows, WASI, and Hermit.

80
Other
Used by 1
59Health
Library npm

@nodelib/fs.walk

A fast, callback-based, synchronous, and streaming library for recursively walking directory trees in Node.js.

80
MIT
Used by 1
40Health
Library Composer

RoadRunner HTTP

PSR-7/PSR-17 worker client that bridges RoadRunner's Go HTTP server to standard PHP request objects

80
MIT
Used by 1
49Health
Library Cargo

Kuchikiki

An HTML tree-manipulation library for Rust with CSS-selector matching, a maintained fork of Kuchiki.

79
MIT
Used by 1
78Health
Library Cargo

oas3-rs

Rust structures and tools to parse, navigate, and validate OpenAPI v3.1.x specifications with order-preserving maps.

79
MIT
Used by 1
72Health
Library PyPI

tink-py

Google's misuse-resistant cryptography library for Python, providing safe AEAD, MAC, digital signature, and hybrid encryption APIs.

79
Apache 2.0
Used by 1
29Health
Library Cargo

tree-sitter-pascal

Fast, incremental Pascal grammar for the Tree-sitter parsing framework.

79
MIT
Used by 1
59Health
Library PyPI

Python JSONPath

A flexible RFC 9535 JSONPath engine for Python with JSON Pointer and JSON Patch.

78
MIT
Used by 1
42Health
Library PyPI

whatthepatch

A pure-Python library for parsing and applying unified, context, ed, and SCM-style patch/diff files.

78
MIT
Used by 1
54Health
Tool Composer

psalm/plugin-phpunit

A Psalm static analysis plugin that understands PHPUnit test classes, mocks, and data providers.

77
MIT
Used by 1
35Health
Tool PyPI

pytest-pylint

Run pylint checks as pytest test items, failing your build on configurable pylint rule severities.

77
MIT
Used by 1
59Health
SDK Composer

Square PHP SDK

The official PHP client library for the Square API, covering payments, orders, catalog, and more.

77
MIT
Used by 1
26Health
Library Cargo

tui-banner

Cinematic ANSI banner rendering for Rust CLI and TUI apps, with gradients, dithering, shadows, and built-in animations.

77
Apache 2.0
Used by 1
38Health
SDK PyPI

azure-data-lake-store-python

Pure-Python filesystem client for Azure Data Lake Storage Gen1, with pandas-style file objects and multi-threaded transfer.

76
MIT
Used by 1
60Health
Library Cargo

codspeed-criterion-compat

Drop-in Criterion.rs compatibility layer that runs Rust benchmarks under CodSpeed.

76
Other
Used by 1
31Health
Library npm

json-source-map

Parses and stringifies JSON while mapping every key and value to its exact line, column, and character position.

76
MIT
Used by 1
31Health
Library npm

react-refractor

A thin React wrapper around refractor/Prism that renders syntax-highlighted code as virtual DOM instead of touching the DOM directly.

76
MIT
Used by 1
52Health
Library npm

bcp-47

Parse and stringify BCP 47 language tags into structured, spec-compliant schema objects.

75
MIT
Used by 1

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