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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arcade-js
Official TypeScript/JavaScript client for the Arcade API, giving agents typed access to tool execution, authorization, and chat completions.
cidr
Rust types for representing IP networks (CIDR) and hosts within a network (Inet)
cidr-utils
A Rust crate for combining, separating, and iterating IPv4 and IPv6 CIDR blocks without hand-rolled bit math.
deser-hjson
A Serde deserializer for Hjson, the human-friendly configuration variant of JSON.
@sanity/diff-patch
Generates conflict-resistant Sanity patch mutations by diffing two JSON documents or values.
instant-xml
A serde-like Rust library that rigorously maps XML to typed structs with full namespace support.
png-chunk-text
Encode and decode PNG tEXt chunks for embedding uncompressed metadata in PNG images.
resolve-accept-language
Resolves the best-matching locale from an HTTP Accept-Language header using the RFC 4647 lookup matching scheme.
s2-sdk-typescript
The official TypeScript SDK for S2's durable streams API - append, read, and tail records with typed, retryable sessions.
scheb/2fa-email
Email-based two-factor authentication provider for scheb/2fa-bundle in Symfony
XHProf
A hierarchical function-level profiler for PHP with a lightweight call-graph UI.
configcat-js
Official JavaScript SDK for evaluating ConfigCat feature flags and remote config values directly in the browser.
deep-freeze
Recursively Object.freeze() objects and functions, safely in strict mode.
fastar
High-performance Python tar archives powered by Rust
i18next-pseudo
A pseudolocalization post-processor for i18next that stretches and re-letters strings to surface UI and translation bugs before real translations arrive.
natord
Natural ordering comparison functions for sorting strings the way humans expect, digits and all.
sitemap-rs
A Rust library to generate URL, index, image, video, and news XML sitemaps.
sphinx-basic-ng
A modernized skeleton and unstyled component library for building custom Sphinx documentation themes.
altcha
Create and verify ALTCHA proof-of-work CAPTCHA challenges in Python with a zero-dependency, fully typed library.
array-find-index
ES2015 Array#findIndex() ponyfill for older JavaScript environments.
bracex
Bash-style brace expansion for Python, matching real Bash output down to its edge cases.
Utopia Cache
A dependency-free PHP caching library with a single Cache facade and swappable adapters for filesystem, Redis, Memcached, Hazelcast, sharding, pooling, and circuit-breaking.
colored_json
Colorizes JSON output with ANSI terminal codes by implementing serde_json's Formatter trait directly.
dict2xml
Tiny dependency-free utility to convert Python dictionaries into XML strings.