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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mdit-py-plugins
A collection of core syntax plugins for the markdown-it-py parser
murmurhash
Cython bindings for the fast, non-cryptographic MurmurHash2 hashing algorithm
pydantic-collections
Validated, list-like collections of Pydantic models via a single BaseCollectionModel class.
replace-ext
A tiny, dependency-free Node.js utility that replaces a file path's extension with another one.
term_size-rs
Cross-platform Rust library that detects terminal width and height via stdout, stdin, or stderr.
tracing-logfmt
A logfmt formatter for tracing-subscriber that emits compact key=value structured logs
waker-fn
Convert any Rust closure into a std::task::Waker without hand-rolling the Wake trait.
mendoza
A TypeScript decoder for the Mendoza diff format, applying structured patches to JSON documents with optional incremental history tracking.
path-clean
Lexically normalize Rust file paths without touching the filesystem, Go-style.
python3-openid
OpenID 2.0 authentication library for Python 3, with relying-party (consumer) and identity-provider (server) support.
windows-1252
A robust JavaScript implementation of the windows-1252 character encoding as defined by the WHATWG Encoding Standard.
zope.event
A minimal synchronous event publishing and dispatch system for Python.
asn1-schema
Declarative TypeScript decorators for defining, parsing, and serializing ASN.1/DER schemas used across X.509, PKCS, and CMS structures.
Inflate
A pure Rust implementation of DEFLATE and zlib decompression
nkeys
A Rust implementation of NATS nkeys: Ed25519 identity and auth keypairs.
py-ubjson
Universal Binary JSON (UBJSON) draft-12 encoder and decoder for Python
quircs
Pure-Rust QR code detection and scanning, ported from the C quirc library.
unlimited-timeout
Drop-in setTimeout and setInterval replacements that work correctly with delays longer than JavaScript's ~24.8-day maximum.
aligned-vec
Runtime- or compile-time-aligned Vec and Box containers for Rust, built for SIMD-friendly memory layouts.
blas-src
A Cargo build-time selector that links your Rust project against Accelerate, BLIS, Intel MKL, Netlib, OpenBLAS, or R's BLAS backend via one feature flag.
dev-null
A minimal writable stream that silently discards all data piped into it, like /dev/null for Node.js streams.
Microsoft Authentication Extensions for Python
Cross-platform encrypted token cache persistence for MSAL Python, backed by DPAPI, Keychain, and libsecret.
regexp.escape
A robust, spec-compliant polyfill for RegExp.escape() that safely escapes regex special characters, working as far down as ES3.
SymfonyCasts Sass Bundle
Delightful Sass support for Symfony AssetMapper with no Node.js required
