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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totp-generator
Generate TOTP one-time passcodes from a secret key using the native Web Crypto API, with a pure-JS fallback.
cbor2
Fast Python CBOR serializer and deserializer with extensive tag support
useFilePicker
A React hook that opens the browser's native file selector, reads file contents, and validates selections by type, size, and count.
requests-kerberos
Kerberos and GSSAPI authentication support for Python Requests
python-lz4
C-accelerated Python bindings for LZ4, covering the frame, block, and streaming compression formats.
oci-spec
Strongly typed Rust structures for the OCI Image, Runtime, and Distribution specifications.
Hyperlink
Immutable, Pythonic, and correct URLs based on RFC 3986 and 3987.
node-xmlrpc
A pure JavaScript XML-RPC client and server for Node.js, with no native C dependencies for parsing or building XML.
split2
A Node.js Transform stream that splits a text stream into a stream of lines.
Textual Autocomplete
Adds autocomplete dropdowns to Textual Input widgets in Python terminal UIs.
fuzzy-matcher
Fast fuzzy string matching for Rust, powering the skim fuzzy finder
node-acme-client
A simple, unopinionated Node.js client for the ACME protocol, automating certificate issuance from Let's Encrypt and other CAs.
material-symbols
Variable Material Symbols icon fonts and CSS, auto-updated daily with the latest icons from Google.
fxhash
A fast, non-cryptographic hashing algorithm from Firefox and rustc for high-speed Rust HashMaps and HashSets.
InversifyJS
A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.
plausible-tracker
A lightweight, dependency-free TypeScript client for sending custom events and page views to Plausible Analytics.
node-sdks
The official Node.js realtime SDK for LiveKit, giving server-side apps a typed client for audio, video, data streams, and RPC over WebRTC.
free-email-domains
A continuously updated JSON list of free and disposable email domains for filtering signups and scoring leads.
express-handlebars
A Handlebars view engine for Express that restores layouts, partials, and smart caching stripped out of Express 3.x.
Deepdash
Deep tree-traversal methods for Lodash and plain JavaScript objects
const_format
Compile-time string formatting and concatenation for Rust, producing static strings.
maxminddb-rust
A Rust library for reading MaxMind DB files, including GeoIP2 and GeoLite2 geolocation databases, with typed decoding and optional memory-mapped access.
jemalloc_pprof
Convert jemalloc heap profiles to pprof format for memory leak and OOM debugging
Typanion
Zero-dependency runtime and static type validator for TypeScript, with type-safe schemas, detailed errors, and value coercion.