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

82Health
Library PyPI

attrs

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

5,839
MIT
Used by 22
79Health
Library Cargo

sysinfo

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

2,742
MIT
Used by 22
90Health
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

146,323
MIT
Used by 21
73Health
Library PyPI

loguru

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

24,105
MIT
Used by 21
97Health
Library PyPI

Matplotlib

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

23,216
Other
Used by 21
93Health
Library Cargo

hyper

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

16,316
MIT
Used by 21
93Health
Framework PyPI

Starlette

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

12,618
BSD 3
Used by 21
89Health
Library Cargo

rusqlite

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

4,396
MIT
Used by 21
89Health
Library PyPI

filelock

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

972
MIT
Used by 21
83Health
Framework PyPI

Flask

A lightweight WSGI web framework for Python that scales from a single file to complex applications.

74,737
BSD 3
Used by 20
87Health
SDK PyPI

docker-py

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

7,213
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
70Health
Library PyPI

orjson

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

8,228
Apache 2.0
Used by 19
80Health
Library Cargo

image

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

5,869
Other
Used by 19
53Health
Library Cargo

csv

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

1,959
Other
Used by 19
77Health
Library Cargo

http

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

1,381
Apache 2.0
Used by 19
49Health
Library PyPI

tomli

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

570
MIT
Used by 19
92Health
Framework PyPI

LangGraph

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

41,635
MIT
Used by 18
96Health
SDK Cargo

vercel_runtime

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

16,243
Apache 2.0
Used by 18
87Health
Library Cargo

notify

Cross-platform filesystem notification library for Rust

3,453
Other
Used by 18
67Health
Library Cargo

itertools

Extra iterator adaptors, methods, and macros extending Rust's standard Iterator trait

3,169
Apache 2.0
Used by 18
59Health
Library Cargo

Criterion.rs

Statistics-driven microbenchmarking for Rust that reliably detects performance changes.

446
Other
Used by 18
75Health
Library Cargo

SQLx

Async, pure-Rust SQL toolkit with compile-time checked queries and no DSL

17,471
Other
Used by 17

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