function: date-time
219 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| collective/icalendar A Python library for parsing and generating iCalendar (RFC 5545) files. It can create, inspect, and modify calendar events, todos, journals… | 99 | 1171 | stable |
| xorg62/tty-clock tty-clock is a terminal-based digital clock built with ncurses, written in C. It displays the current time in large ASCII digits with optio… | 32 | 1144 | stable |
| rmm5t/jquery-timeago timeago is a jQuery plugin that converts ISO 8601 timestamps embedded in HTML into automatically updating fuzzy relative times like '4 minu… | 66 | 3793 | maintenance |
| azuyalabs/yasumi Yasumi is a PHP library for calculating the dates and names of holidays and special celebrations for many countries and states. It is rule-… | 88 | 1098 | active |
| commenthol/date-holidays A JavaScript library that calculates public, bank, and observance holidays for 206 countries, their states and regions, with timezone aware… | 77 | 1097 | active |
| nmn/react-timeago A small React component that renders a date as a live-updating 'time ago' string (e.g. '5 minutes ago'), updating only as often as needed. … | 60 | 1096 | stable |
| lukeed/tinydate tinydate is a tiny (349B) JavaScript date formatting library that compiles a template pattern into a reusable render function. It supports … | 23 | 1067 | stable |
| jjonline/calendar.js A small JavaScript library for converting between the Chinese lunar calendar and the Gregorian (solar) calendar. It also returns supplement… | 29 | 1053 | stable |
| JakeWharton/ThreeTenABP An Android adaptation of the JSR-310 (java.time) backport that loads timezone data efficiently from Android assets instead of JAR resources… | 10 | 3542 | maintenance |
| xdan/datetimepicker A jQuery plugin that adds date, time, and combined date-time picker dropdowns to HTML form inputs. It supports inline mode, masks, dark the… | 36 | 3485 | maintenance |
| CVCalendar/CVCalendar CVCalendar is a customizable visual calendar component for iOS, written in Swift. It provides a CalendarView and MenuView that can be integ… | 23 | 3475 | maintenance |
| johnpolacek/date-range-picker-for-shadcn A reusable DateRangePicker component for shadcn/ui built with Radix UI and Tailwind CSS. It offers a dropdown interface with calendar selec… | 28 | 1018 | active |
| spatie/calendar-links A PHP library that generates 'add to calendar' links for Google Calendar, iCal/ICS files, Outlook, and other calendar systems. It takes eve… | 90 | 1015 | active |
| alamkanak/Android-Week-View An Android library providing a customizable week view and day view calendar component for apps. It supports event rendering, click/long-pre… | 23 | 3443 | maintenance |
| kennethreitz/maya Maya is a Python library that provides a human-friendly API for working with datetimes, wrapping Python's datetime with simpler parsing, fo… | 23 | 3411 | maintenance |
| mojombo/chronic Chronic is a pure Ruby natural language date and time parser that converts phrases like 'tomorrow at 6:45pm' or '3rd wednesday in november'… | 32 | 3254 | maintenance |
| react-native-datetimepicker/datetimepicker A React Native date and time picker component for iOS, Android, and Windows. It wraps native platform pickers behind a unified React compon… | 90 | 2907 | maintenance |
| bevacqua/rome Rome is a customizable vanilla JavaScript date and time picker component with no jQuery dependency, relying only on moment.js. It offers an… | 32 | 2896 | maintenance |
| hypeserver/react-date-range A React component library for selecting single dates and date ranges, built on date-fns and native JavaScript dates. It offers configurable… | 10 | 2618 | maintenance |
| dlew/joda-time-android An Android-optimized port of the Joda-Time date/time library that fixes memory issues and allows shipping up-to-date timezone data independ… | 90 | 2614 | maintenance |
| naoty/Timepiece Timepiece is a small Swift library that provides intuitive helpers for creating, calculating, changing, formatting, and parsing dates on to… | 32 | 2606 | maintenance |
| charliekassel/vuejs-datepicker A simple, lightweight datepicker component for Vue 2.x applications. It supports disabling and highlighting dates, inline mode, custom date… | 23 | 2589 | maintenance |
| treadpit/wx_calendar A calendar UI component for WeChat Mini Programs, written in JavaScript. It provides a drop-in custom component that can be registered and … | 23 | 2447 | maintenance |
| vikramkakkar/SublimePicker SublimePicker is a material-styled Android view combining a date picker, time picker, and recurrence picker in a single user interface, bac… | 32 | 2291 | maintenance |
| hilios/jQuery.countdown The Final Countdown is a jQuery plugin that renders date countdown timers in any HTML layout. It provides a built-in time formatter with ze… | 23 | 2286 | maintenance |
| araddon/dateparse A Go library that parses date strings in many formats without knowing the format in advance, using a byte-scanning state machine for speed.… | 32 | 2139 | maintenance |
| xgfe/react-native-datepicker A React Native date and time picker component that works on both Android and iOS by wrapping the native DatePickerAndroid, TimePickerAndroi… | 23 | 2112 | maintenance |
| taylorhakes/fecha A lightweight (~2KB) JavaScript library for date formatting and parsing, designed as a minimal replacement for moment.js's formatting and p… | 23 | 2068 | maintenance |
| arqex/react-datetime react-datetime is a lightweight but complete React.js component that provides a date and time picker, usable as a datepicker, timepicker, o… | 34 | 2004 | maintenance |
| Twipped/Kalendae Kalendae is a framework-agnostic JavaScript date picker library with no external dependencies. It supports single, multiple, and range date… | 23 | 1975 | maintenance |
| jivesoftware/PDTSimpleCalendar PDTSimpleCalendar is a simple calendar and date picker component for iOS apps built on UICollectionView. It supports customizable date rang… | 23 | 1910 | maintenance |
| itsmeichigo/DateTimePicker A Swift UI component library for iOS that provides a customizable date and time picker with calendar-style date cells and infinite-scrollin… | 23 | 1856 | maintenance |
| devaige/DatePicker An Android calendar/date picker view library written in Java, supporting single and multiple date selection, swipe navigation, holiday mark… | 32 | 1854 | maintenance |
| bitwalker/timex Timex is a comprehensive date/time library for Elixir with full timezone support via the tzdata package. It provides rich APIs for manipula… | 34 | 1807 | maintenance |
| jenssegers/date A PHP library extending Carbon with multi-language date support... | 23 | 1803 | maintenance |
| EvanHahn/HumanizeDuration.js A small JavaScript library that converts millisecond durations into human-readable strings like '1 day, 3 hours, 2 minutes'. It supports do… | 76 | 1732 | maintenance |
| JZXiang/TimePickerDialog An Android library providing a customizable time picker dialog built on a wheel-style picker. It supports year/month/day/hour/minute select… | 32 | 1719 | maintenance |
| jmoiron/humanize A Python library that converts numbers, dates, times, file sizes, and deltas into human-readable strings like '3 minutes ago' or '1.0 MB'. … | 23 | 1705 | maintenance |
| react-component/calendar rc-calendar is a React calendar component library supporting date, month, year, and decade selection panels, week numbers, locales, and key… | 10 | 1705 | maintenance |
| rotaready/moment-range A JavaScript library that extends Moment.js with date range objects supporting creation, querying, manipulation, iteration, and comparison … | 23 | 1680 | maintenance |
| syyongx/php2go A Go library that reimplements over 140 of PHP's common built-in functions (string, array, date/time, math, filesystem, URL, and more) in p… | 23 | 1642 | maintenance |
| ApplikeySolutions/CosmoCalendar CosmoCalendar is a fully customizable calendar view library for Android written in Java, supporting single, multiple, and range date select… | 32 | 1610 | maintenance |
| akosma/SwiftMoment SwiftMoment is a time and calendar manipulation library for iOS 9+, macOS 10.11+, tvOS 9+, and watchOS 2+, written in Swift and inspired by… | 10 | 1601 | maintenance |
| mineschan/MZTimerLabel MZTimerLabel is an Objective-C UILabel subclass for iOS that turns a label into a countdown timer or stopwatch, mimicking the Apple Clock A… | 23 | 1551 | maintenance |
| puls/objc-TimesSquare TimesSquare is an Objective-C calendar view library for iOS apps, built by Square. It renders scrollable calendars (Gregorian or any NSCale… | 32 | 1532 | maintenance |
| chubin/pyphoon pyphoon is a Python command-line tool that renders the current phase of the Moon as ASCII art, based on Jef Poskanzer's 1979 Pascal origina… | 32 | 1510 | maintenance |
| matthewmueller/date A JavaScript library that parses English-language date and time expressions like 'tomorrow at 3pm' or '10 minutes from now' into JavaScript… | 32 | 1476 | maintenance |
| Sky24n/common_utils A Dart utility library providing common helper classes such as DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, Re… | 32 | 1454 | maintenance |
| jinzhe/vue-calendar A calendar component library for Vue.js supporting single-date, range, and multi-date selection with optional lunar calendar display and ev… | 32 | 1406 | maintenance |
| roomorama/Caldroid Caldroid is an Android library providing a customizable calendar fragment that displays dates in a month view. It can be embedded in an act… | 32 | 1394 | maintenance |
| facebookarchive/Flicks Flicks is a small C++ header library defining the 'flick', a unit of time equal to 1/705600000 of a second that exactly represents common v… | 10 | 1391 | maintenance |
| aweary/tinytime Tinytime is an ultra-small (<1kb) JavaScript date and time formatting library that uses template strings with substitution tokens. It parse… | 23 | 1323 | maintenance |
| heysupratim/material-daterange-picker An Android library providing Material Design date and time range picker dialogs, forked from wdullaer's MaterialDateTimePicker. It lets use… | 23 | 1317 | maintenance |
| PaulStoffregen/Time A C++ timekeeping library for Arduino providing date and time functions with synchronization from external sources like RTC modules, NTP, G… | 23 | 1316 | maintenance |
| brockpetrie/vue-moment A Vue.js plugin that exposes Moment.js date and time formatting as template filters. It lets Vue templates format, parse, and display relat… | 23 | 1306 | maintenance |
| felixge/node-dateformat A Node.js package implementing Steven Levithan's dateFormat() function for formatting dates with customizable mask patterns. It supports na… | 23 | 1292 | maintenance |
| dalelotts/angular-bootstrap-datetimepicker A native Angular (8+) date and time picker component styled with Twitter Bootstrap 4, using moment.js for date parsing and formatting. It r… | 10 | 1266 | maintenance |
| loper7/DateTimePicker A polished Android date and time picker library written in Kotlin, offering a minimal API with built-in card dialogs, lunar calendar displa… | 23 | 1254 | maintenance |
| muraee/Horizontal-Calendar A material design horizontal calendar view library for Android built on RecyclerView. It lets developers embed a scrollable date picker wit… | 23 | 1206 | maintenance |
| ClickerMonkey/dayspan-vuetify A Vue.js component library built on Vuetify that renders DaySpan calendars and recurring schedules, including full calendar app views and e… | 23 | 1187 | maintenance |
| angular-moment A set of AngularJS directives and filters (and Angular pipes via ngx-moment) wrapping Moment.js for formatting dates and relative timestamp… | 23 | 1157 | maintenance |
| longbill/jquery-date-range-picker A jQuery plugin that provides a calendar widget for selecting a date range. It supports multiple languages, works in legacy browsers (IE7+)… | 23 | 1112 | maintenance |
| layui/laydate LayDate is a widely used, zero-dependency vanilla JavaScript calendar and date-picker component for the web. It supports year, year-month, … | 23 | 1102 | maintenance |
| xiaozhuxiong121/PGDatePicker PGDatePicker is an Objective-C date picker library for iOS supporting many picker modes (year, year-month, date, time, seconds, and combina… | 32 | 1099 | maintenance |
| hernansartorio/react-nice-dates React Nice Dates is a responsive, touch-friendly, and modular date picker library for React, built on top of date-fns. It provides DatePick… | 23 | 1098 | maintenance |
| ThasianX/ElegantCalendar ElegantCalendar is a customizable full-screen calendar library written in SwiftUI for iOS apps. It supports infinite date ranges, custom th… | 23 | 1091 | maintenance |
| philliphsu/BottomSheetPickers A third-party Android library providing bottom sheet style date and time picker dialogs, including paging date pickers, month/year pickers,… | 23 | 1089 | maintenance |
| tpope/vim-speeddating A Vim plugin by Tim Pope that makes CTRL-A/CTRL-X increment dates, times, datetimes, roman numerals, ordinals, and letters instead of just … | 32 | 1074 | maintenance |
| dreymonde/Time A Swift micro-library providing strongly-typed time intervals (e.g. Interval<Minute>) so durations like 10.minutes are type-safe and unit-a… | 23 | 1063 | maintenance |
| radar/by_star ByStar is a Ruby gem that adds time-based query scopes to ActiveRecord and Mongoid models, letting you find records by year, month, fortnig… | 23 | 1047 | maintenance |
| Kiarash-Z/react-modern-calendar-datepicker A modern, customizable date picker component library for React, supporting single-day and range selection with a standalone calendar option… | 23 | 1041 | maintenance |
| florent37/SingleDateAndTimePicker An Android library providing a single widget to select both a date and a time, with dialog, bottom-sheet, and inline layout options. It als… | 10 | 1019 | maintenance |
| Pikaday/Pikaday Pikaday is a lightweight, dependency-free JavaScript datepicker widget with modular CSS for easy styling. The project was archived in Augus… | 10 | 8085 | abandoned |
| mtdowling/cron-expression A PHP library for parsing CRON expressions, determining whether a schedule is due, and calculating the next or previous run dates. This ori… | 23 | 4861 | abandoned |
| MagicMashRoom/SuperCalendar SuperCalendar is a customizable Android calendar widget library supporting infinite left-right swiping, week/month mode switching, date mar… | 23 | 2756 | abandoned |
| bunkat/later Later is a zero-dependency JavaScript library for defining recurring schedules and calculating their future or past occurrences. Schedules … | 32 | 2406 | abandoned |
| datejs/Datejs Datejs is an open-source JavaScript library for parsing, formatting, and processing dates and times, with support for 150+ cultures. It pro… | 10 | 1886 | abandoned |
| flavienlaurent/datetimepicker An Android library that reproduces the DatePicker and TimePicker UI from the Google Agenda (Calendar) app, usable on Android 2.1+. It is a … | 32 | 1812 | abandoned |
| kevinlawler/NSDate-TimeAgo An Objective-C category on NSDate for iOS/Cocoa Touch that renders relative, human-friendly timestamps like '5 minutes ago' or 'Yesterday'.… | 10 | 1743 | abandoned |
| traex/CalendarListview An Android library that implements a calendar date picker as a ListView, with one month per row. It lets users select dates and is customiz… | 32 | 1465 | abandoned |
| erica/NSDate-Extensions An Objective-C category library extending NSDate with practical, real-world date calculations and utilities. It is now superseded by the au… | 32 | 1369 | abandoned |
| xiaojianglaile/Calendar An Android calendar UI library in Java providing smooth-scrolling week and month views with Chinese lunar calendar, holidays, and 5/6-row a… | 32 | 1317 | abandoned |
| antoniandre/vue-cal-v4 Vue Cal v4 is a dependency-free full calendar component library for Vue.js 2 and 3. This v4 repo is no longer maintained, with development … | 36 | 1266 | abandoned |
| Tibolte/AgendaCalendarView A deprecated Android UI library providing a combined calendar and agenda view, replicating features from the Sunrise Calendar (Outlook) app… | 23 | 1233 | abandoned |
| klazuka/Kal An open-source Objective-C calendar component for iOS that replicates the month view of Apple's MobileCal app. It displays a month calendar… | 32 | 1210 | abandoned |
| codbking/CalendarExaple An Android custom calendar widget library mimicking DingTalk and Xiaomi calendar UIs, supporting lunar and solar calendars with infinite le… | 23 | 1085 | abandoned |
| pandas-dev/pandas pandas is a fast, flexible Python library providing labeled data structures like the DataFrame for practical, real-world data analysis and … | 93 | 49564 | stable |
| chinabugotech/hutool Hutool is a comprehensive Java utility library that wraps common JDK operations into convenient static helper classes. It covers strings, c… | 92 | 30271 | stable |
| abseil/abseil-cpp Abseil is an open-source collection of C++17-compliant libraries drawn from Google's internal codebase, designed to augment the C++ standar… | 95 | 18104 | stable |
| iib0011/omni-tools OmniTools is a self-hosted web application bundling a large collection of browser-based utilities for images, video, audio, PDFs, text, dat… | 69 | 10088 | active |
| pocoproject/poco POCO (Portable Components) is a collection of cross-platform C++ class libraries for building network- and internet-centric applications, c… | 90 | 9478 | stable |
| Boost C++ Libraries Boost is a collection of free, peer-reviewed, portable C++ source libraries organized as a modularized super-project. It provides widely us… | 94 | 8553 | stable |
| ldqk/Masuit.Tools Masuit.Tools is a Swiss-army utility library for C#/.NET bundling dozens of commonly needed helpers: encryption, reflection, LINQ and expre… | 96 | 6185 | active |
| aidlearning/AidLearning-FrameWork AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 70 | 5797 | active |
| duke-git/lancet Lancet is a comprehensive utility function library for Go with 700+ reusable functions covering strings, slices, datetime, networking, cryp… | 74 | 5296 | active |
| nalgeon/sqlean A curated collection of SQLite loadable extensions packaged into domain modules like crypto, math, regexp, stats, text, time, uuid, and fil… | 95 | 4366 | active |
| denoland/std The official Deno Standard Library, a collection of high-quality TypeScript packages published on JSR covering assertions, async utilities,… | 96 | 3558 | stable |
| ETLCPP/etl The Embedded Template Library (ETL) is a C++ library providing STL-like containers, algorithms, and utilities designed for embedded systems… | 97 | 3107 | active |
| apache/commons-lang Apache Commons Lang is a Java utility library providing helper methods that supplement the java.lang API, including string manipulation, re… | 77 | 2999 | stable |
| swiftlang/swift-foundation The Swift Foundation project, providing the core implementation of key Foundation API types such as URL, Data, JSONDecoder, Locale, and Cal… | 96 | 2680 | active |