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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date-fns
Modern JavaScript date utility library with 200+ pure, immutable functions
Day.js
A 2KB immutable JavaScript date-time library with a Moment.js-compatible API
Moment.js
Parse, validate, manipulate, and display dates in JavaScript with a chainable API.
Chrono
Timezone-aware date and time handling for Rust, with correct calendar operations and flexible strftime-style formatting.
Moment Timezone
IANA time zone support for Moment.js — parse, convert, and format dates in any zone with automatic DST handling.
Luxon
Immutable, chainable date and time handling for JavaScript with built-in time zones and Intl.
date-fns-tz
IANA time zone support for date-fns, powered by the native Intl API with zero bundled time zone data.
time
Ergonomic, no-std-compatible date and time handling for Rust with parsing, formatting, and macro literals.
react-datepicker
A fully customizable, accessible date and time picker component for React apps.
chartjs-adapter-date-fns
Lets Chart.js parse, format, and calculate time-scale dates using date-fns instead of its default date engine.
flatpickr
A lightweight, dependency-free JavaScript datetime picker with themes, locales, and plugins
camelcase
Convert dash, dot, underscore, or space separated strings to camelCase or PascalCase, with full Unicode support.
lossless-json
Parse and stringify JSON without losing precision on big numbers
pendulum
A drop-in replacement for Python's datetime with timezone-aware objects by default and a friendlier API.
timeago.js
Nano library for formatting dates as relative '3 hours ago' statements