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

93Health
Library Cargo

rustls

A modern, memory-safe TLS library for Rust with no unsafe code and no legacy crypto by default.

7,640
Other
Used by 23
81Health
Library PyPI

Charset Normalizer

A pure-Python universal charset detector that turns text of unknown encoding into clean Unicode.

796
MIT
Used by 23
97Health
Library PyPI

Matplotlib

Python's foundational plotting library for static, animated, and interactive charts

23,294
Other
Used by 22
98Health
Library PyPI

SciPy

Fundamental algorithms for scientific computing, optimization, and statistics in Python.

15,046
BSD 3
Used by 22
80Health
Library PyPI

attrs

Python classes without boilerplate — generate init, repr, equality, and more from declarative field definitions.

5,846
MIT
Used by 22
80Health
Library Cargo

sysinfo

Cross-platform Rust library for fetching system information — CPU, memory, disks, processes, and networks

2,747
MIT
Used by 22
89Health
Library Cargo

time

Ergonomic, no-std-compatible date and time handling for Rust with parsing, formatting, and macro literals.

1,338
Apache 2.0
Used by 22
92Health
Framework PyPI

LangChain

The most widely adopted Python framework for building LLM-powered agents and applications

147,170
MIT
Used by 21
98Health
Framework Composer

Laravel

The expressive, elegant PHP framework for building modern web applications

34,931
MIT
Used by 21
71Health
Library PyPI

loguru

A drop-in replacement for Python's standard logging module that makes logging enjoyable, with almost no setup required.

24,134
MIT
Used by 21
93Health
Library Cargo

hyper

A fast, low-level HTTP client and server library for Rust supporting HTTP/1 and HTTP/2

16,339
MIT
Used by 21
94Health
Framework PyPI

Starlette

A lightweight ASGI framework/toolkit for building async web services and apps in Python

12,639
BSD 3
Used by 21
88Health
Library Cargo

rusqlite

An ergonomic, safe Rust wrapper around SQLite with typed rows and prepared statement caching.

4,411
MIT
Used by 21
89Health
Library PyPI

filelock

A platform-independent file lock for Python that supports the with-statement.

978
MIT
Used by 21
90Health
SDK PyPI

docker-py

Official Python library for the Docker Engine API — manage containers, images, networks, and Swarm clusters from your own code.

7,214
Apache 2.0
Used by 20
45Health
Library PyPI

markupsafe

Escapes untrusted strings for safe use in HTML and XML markup, preventing injection attacks in templated output.

697
BSD 3
Used by 20
68Health
Library PyPI

orjson

A fast, correct, Rust-backed JSON library for Python with native dataclass, datetime, and numpy support

8,234
Apache 2.0
Used by 19
80Health
Library Cargo

image

Rust library for image processing plus encoders/decoders for common image formats

5,884
Other
Used by 19
52Health
Library Cargo

csv

Fast, flexible CSV reading and writing for Rust, with Serde support

1,960
Other
Used by 19
75Health
Library Cargo

http

The shared Rust crate defining Request, Response, and other core HTTP types

1,384
Apache 2.0
Used by 19
47Health
Library PyPI

tomli

A lil' TOML parser for Python — fast, spec-compliant, and dependency-free.

572
MIT
Used by 19
92Health
Framework PyPI

LangGraph

A low-level orchestration framework for building stateful, multi-actor LLM agents as graphs

42,375
MIT
Used by 18
95Health
SDK Cargo

vercel_runtime

The official Rust runtime for writing and deploying serverless functions on Vercel.

16,313
Apache 2.0
Used by 18
54Health
Library Composer

Collision

Beautiful command-line error reporting for PHP apps and test suites

4,659
MIT
Used by 18

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