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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Day.js
A 2KB immutable JavaScript date-time library with a Moment.js-compatible API
Immer
Create your next immutable state by mutating the current one.
Luxon
Immutable, chainable date and time handling for JavaScript with built-in time zones and Intl.
Redux Toolkit
The official, opinionated, batteries-included toolset for efficient Redux state management
date-fns-tz
IANA time zone support for date-fns, powered by the native Intl API with zero bundled time zone data.
Redux
A predictable, framework-agnostic state container for JavaScript applications.
Slate
Completely customizable framework for building rich text editors
immutable-js
Persistent immutable List, Map, Set, and Stack collections for JavaScript with structural sharing.
Pusher PHP Library
The official PHP server library for triggering events, authenticating private channels, and validating webhooks against Pusher's Channels API.
redux-immutable
Adapts Redux's combineReducers to work seamlessly with Immutable.js state trees.
react-immutable-proptypes
PropType validators that let React components type-check Immutable.js List, Map, Set, and Record props instead of falling back to a generic instanceOf check.
frozendict
An immutable, hashable dictionary type for Python with a C-accelerated core
deepmerge
The fastest deepmerge implementation for merging JavaScript objects without mutating the originals.
react-immutable-pure-component
A drop-in React.PureComponent and React.memo replacement that diffs Immutable.js data by value instead of by reference.
pyrsistent
Persistent, immutable, functional data structures for Python — drop-in replacements for list, dict, and set that never mutate.