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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serde_json
The de facto standard JSON library for Rust, built on the Serde serialization framework
Requests
The elegant, human-friendly HTTP library that made Python's most-used API for talking to the web.
serde
A generic framework for serializing and deserializing Rust data structures efficiently and safely.
Pydantic
Data validation and settings management using Python type hints, backed by a Rust core.
HTTPX
A next-generation HTTP client for Python with sync, async, and HTTP/2 support
NumPy
The fundamental N-dimensional array library powering Python's scientific computing stack.
PyYAML
A full-featured YAML parser and emitter for Python, with C-accelerated bindings
python-dotenv
Load environment variables from a .env file into Python's os.environ, the standard way to keep 12-factor config out of your code
reqwest
An ergonomic, batteries-included HTTP client for Rust, with async and blocking APIs.
undici
A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies
tempfile
A secure, cross-platform Rust library for temporary files and directories that clean up automatically on drop.
base64
Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.
pandas
The Python DataFrame library for fast, flexible, and expressive data analysis and manipulation.
Pillow
The friendly PIL fork that adds image processing capabilities to Python
regex
Rust's finite-automata regex engine with guaranteed linear-time matching and no catastrophic backtracking.
Chrono
Timezone-aware date and time handling for Rust, with correct calendar operations and flexible strftime-style formatting.
MSW (Mock Service Worker)
Seamless REST and GraphQL API mocking for browser and Node.js
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
uuid
Generate and parse UUIDs in Rust across every standardized version, from v1 to v8.
sha2
Pure Rust implementation of the SHA-2 hash function family (SHA-224/256/384/512) with hardware-accelerated backends.
cryptography
The standard cryptographic library for Python, pairing safe high-level recipes with low-level primitives backed by Rust and OpenSSL.
tracing
Structured, application-level diagnostics for async Rust programs, built around scoped spans and events.
Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
urllib3
A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.
