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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TanStack Form
Headless, type-safe form state management for React, Vue, Solid, Angular, and more
Azure Storage Blob
The official Python client library for Azure Blob Storage, with sync and async APIs for containers, blobs, and access tiers.
indicatif
A Rust library for progress bars, spinners, and colored terminal output in command-line applications.
backoff
Exponential backoff and retry for Go, with a generic Retry function, typed errors, and RetryAfter support for rate-limited APIs.
rate-limiter-flexible
Atomic and non-atomic counters and rate-limiting tools that protect against DoS and brute-force attacks at any scale
parking_lot
A faster, smaller drop-in replacement for Rust's standard library Mutex, RwLock, Condvar, and Once.
jsonwebtoken
Create and decode JSON Web Tokens in Rust in a strongly typed way
pytest-mock
A pytest plugin that provides a `mocker` fixture wrapping Python's `unittest.mock`, with automatic teardown between tests.
@nestjs/swagger
The official NestJS module that generates OpenAPI (Swagger) documentation from your controllers and DTOs
greenlet
Lightweight in-process coroutines for cooperative concurrency in Python
CSSType
Strict TypeScript and Flow type definitions for CSS properties and values, generated from MDN data
Protobuf-ES
A conformance-tested, ESM-first Protocol Buffers runtime and code generator for modern JavaScript and TypeScript.
mailparser
Stream-based Node.js library for parsing raw MIME emails into structured text, HTML, headers, and attachments.
bcrypt (Python)
A Python library for secure password hashing using the bcrypt algorithm with an adjustable work factor
swagger-ui-express
Serves interactive Swagger UI API documentation directly from your Express app based on a Swagger/OpenAPI JSON or YAML document.
env_logger
Environment-variable-configured logging backend for Rust's log crate
aws-config
Resolves AWS credentials and shared configuration for every AWS SDK for Rust client.
react-virtualized-auto-sizer
Measures a container's available width/height and passes it to a child component
compare-versions
Zero-dependency semver comparison for Node.js and the browser, with support for ranges, wildcards, and Chromium-style versions.
postcss-simple-vars
A PostCSS plugin that brings Sass-like $variables to CSS values, selectors, at-rules, and comments.
mime_guess
MIME/media-type guessing from file extensions in Rust
stream-browserify
A browser-compatible shim of Node.js core's stream module
i18next-resources-to-backend
Turns any loader function or static resource object into a fully-formed i18next backend, so translations can be lazy-loaded via dynamic import() in Node.js, browsers, and Deno.
stub_uploader
Auto-generated PEP 561 type stubs for cachetools, published to PyPI by typeshed's automated stub_uploader pipeline.