⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

• UpdatedFeb 17, 2026
• JavaScript

⏳ Modern JavaScript date utility library ⌛️

• UpdatedSep 8, 2025
• TypeScript

⚡ A Fast, Extensible Progress Bar for Python and CLI

• UpdatedFeb 14, 2026
• Python

😱 Falsehoods Programmers Believe in

• UpdatedJan 20, 2026

🏹 Better dates & times for Python

• UpdatedFeb 19, 2026
• Python

The mobile-friendly, responsive, and lightweight jQuery date & time input picker.

• UpdatedJul 14, 2023
• JavaScript

Python datetimes made easy

• UpdatedFeb 17, 2026
• Python

Generate a timeline of your day, automatically

• UpdatedFeb 19, 2026
• Swift

A simple, semantic and developer-friendly time package for golang

• UpdatedFeb 10, 2026
• Go

Now is a time toolkit for golang

• UpdatedFeb 2, 2026
• Go

Build Time Analyzer for Swift

• UpdatedSep 19, 2023
• Swift

📅 Easy!Appointments - Self Hosted Appointment Scheduler

• UpdatedFeb 20, 2026
• PHP

🕗 The original jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").

• UpdatedMay 10, 2025
• JavaScript

Date and time library for Rust

• UpdatedFeb 13, 2026
• Rust

Collection of advice on optimizing compile times of Swift projects.

• UpdatedFeb 1, 2019
• Swift

Datetimes for Humans™

• UpdatedJul 19, 2024
• Python

A gem providing "time travel", "time freezing", and "time acceleration" capabilities, making it simple to test time-dependent code. It provides a unified method to mock Time.now, Date.today, and DateTime.now in a single call.

• UpdatedNov 24, 2025
• Ruby

A date and time library based on the C++11/14/17 <chrono> header

• UpdatedJan 10, 2026
• C++

A React-Native datetime-picker for Android and iOS

• UpdatedAug 22, 2024
• JavaScript

BRPickerView 封装的是iOS中常用的选择器组件，主要包括：日期选择器（支持年月日、年月等15种日期样式选择，支持设置星期、至今等）、地址选择器（支持省市区、省市、省三种地区选择）、自定义字符串选择器（支持单列、多列、二级联动、三级联动选择）。支持自定义主题样式，适配深色模式，支持将选择器组件添加到指定容器视图。

• UpdatedOct 24, 2025
• Objective-C