294 Open source projects that are alternatives of or similar to perfy

Trace And Rewrite Delays In Syscalls: Hooking time-related Linux syscalls to warp a process's perspective of time, using ptrace.

Set the system timezone based on IP geolocation

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

A time picker for your React app.

A timezone data management library for the JVM and Android targeting java.time APIs in Java 8+

Modeltime unlocks time series forecast models and machine learning in one framework

Delorean: Time Travel Made Easy

Android Library: Set self-updating string with relative time in TextView (e.g. 5 minutes ago)

Fancy date ranges for Moment.js

time tools (cron, parsing, durations, ...) for Ruby, rufus-scheduler, and flor

A smart colored time selector. Users can select just free time with a handy colorful range selector.

Parsing and formatting date strings using IANA time zones for date-fns.

Why is it 5 AM? Isn't there something simple I can use to track what I'm doing with all this time?

Gostradamus: Better DateTimes for Go 🕰️

self-hosted tag-based time tracking

Extending broom for time series forecasting

scheduler for Ruby (at, in, cron and every jobs)

A lightweight, translat- and configurable Open Source DateTime Picker, written in pure vanilla JavaScript!

Ptera is DateTime library for Deno

Drag-and-drop time-planning library using HTML5 and the canvas element

⏰ A JavaScript library (written in TypeScript) to measure the time a user is active on a website

Extraction of ActiveSupport::Duration from Rails

🕰 Tiny (280B) relative time string function (eg: "3 seconds ago")

Useful extensions to the standard Python datetime features

Real time code sharing web application

Building a better date/time library for Swift

React timer hook

Ansible Role - NTP

Schedule is a package that helps tracking schedules for your models. If you have workers in a company, you can set schedules for them and see their availability though the time.

Framework agnostic PHP package to control the time.

An analog clock for your React app.

A small Python module to parse various kinds of time expressions.

📅 Custom responsive date picker widget for Android, written in Kotlin.

[Abandoned] Integrates SpyTimelineBundle into Sonata

DateTimeRange, Business Day and various DateTime, DateTimeOffset, TimeSpan extension methods

A React-Native datetime-picker for Android and iOS

Travel through time in your tests.

Jiffy is a Flutter (Android, IOS and Web) date time package inspired by momentjs for parsing, manipulating, querying and formatting dates

Easy!Appointments is a highly customizable web application that allows customers to book appointments with you via a sophisticated web interface. Moreover, it provides the ability to sync your data with Google Calendar so you can use them with other services. It is an open source project that you can download and install even for commercial use. Easy!Appointments will run smoothly with your existing website as it can be installed in a single folder of the server and of course share an existing database.

A framework-agnostic minimal date picker

Technical Analysis Library Time-Series

A fast ISO8601 date parser for Go

🙏 提供时间轴转星座|生肖工具、系统存储空间获取工具、文件大小格式化工具、获取指定文件大小工具、AES加密解码工具(支持android端平台加密解密，java端和android端相互加密解密)、SharePreference操作工具、 File文件操作工具、日期获取和计算工具、界面跳转Intent操作工具、字符串验证和数值转换操作工具、手机震动工具、系统资源操作工具、网络检测工具、 wifi操作工具、单位换算工具、zip压缩和解压操作工具、XML解析操作工具（只支持几种指定格式）、图片加载和处理工具，数据库操作（增删改查）工具、Base64编码解码工具、MD5加密工具。

Time-aware tibbles

Decent jack bindings for rust

微信机器人，基于Python itchat接口功能实例展示：01-itchat获取微信好友或者微信群分享文章、02-itchat获取微信公众号文章、03-itchat监听微信公众号发送的文章、04 itchat监听微信群或好友撤回的消息、05 itchat获得微信好友信息以及表图对比、06 python打印出微信被删除好友、07 itchat自动回复好友、08 itchat微信好友个性签名词云图、09 itchat微信好友性别比例、10 微信群或微信好友撤回消息拦截、11 itchat微信群或好友之间转发消息

🦊🕘 A crossplatform menubar/taskbar application for GitLabs time tracking feature. Currently in BETA!

ezTime — pronounced "Easy Time" — is a very easy to use Arduino time and date library that provides NTP network time lookups, extensive timezone support, formatted time and date strings, user events, millisecond precision and more.

Immutable type that represents some amount of time with accuracy in seconds.

Plugin with date and time picking fields

LoraWAN serialization/deserialization library for The Things Network

A helper to control the flow of time

Date and time library for Rust

Symfony SonataIntlBundle

🎬 Native macOS app for recording timelapse videos of your desktop.

Format and Parse date and time with joda layout

A real time iOS log trace tool, view iOS log with pc web browser under local area network, which will automatically scroll like xcode. 一个实时的iOS日志跟踪工具，在局域网中使用 PC Web 浏览器查看 iOS 日志，它将像xcode一样自动滚动。

Prayer + Time + Android + Kotlin + Azan + Library + timezone + islamic + salah + Library aiming to calculate prayer time with one line code , if you implement prayer time application , there is no need to do this headache again .

Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.

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。