735 Open source projects that are alternatives of or similar to Egroupware

Project management and collaboration over the internet.

WookTeam是一款轻量级的开源在线团队协作工具，提供各类文档协作工具、在线思维导图、在线流程图、项目管理、任务分发、即时IM，知识库管理等工具。

Group Office groupware and CRM

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

A mini book about collaborating on GitHub

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Self hosted project management and collaboration tool powered by TALL stack

"GitHub" for Google Drive [inactive]

One of those awesome things.

Webmail front-end for existing mail server, with personal calendar, contacts, and mobile sync.

Leantime is a lean project management system for innovators. Designed to help you manage your projects from ideation to delivery.

Twake is a secure open source collaboration platform to improve organizational productivity.

An open source, free, high performance, stable and secure Java Application Business Platform of Project Management and Document

This repository is used for customer feedback regarding Telerik UI for NativeScript. The issues system here is used by customers who want to submit their feature requests or vote for existing ones.

📆 calendar 日历

📅 Your go-to, prescribed, Calendar component for React

📆 beautiful and eidetic date picker

SKCalendarView是一个高可控性的日历基础组件，为了提高应用的自由度，默认只提供了日历部分的视图封装，但不涵盖切换月份按钮、年月分显示等非关键性控件，但请不要担心，SKCalendarView为你提供了多样性的API，你可以很轻松的拿到这些信息去展示在你自己的自定义控件中。不仅如此，SKCalendarView还为你封装了公历、农历、节假日以及中国24节气的核心算法，即使你觉得默认的视图并不合胃口，也可以直接快速的利用这套算法创造出一个全新的日历控件。最后，SKCalendarView还提供了一些简单的切换动画，如果你不喜欢它，可以忽略掉，用自己的，这里完全不会受到任何限制。

HydroShare is a collaborative website for better access to data and models in the hydrologic sciences.

A fully customizable iOS calendar library, compatible with Objective-C and Swift

简介：无需数据库，以《钦定协纪辨方书》为核心的python3 农历、黄历、二十四节气、节假日、星次、每日凶煞、每日值神、建除十二神、每日宜忌、彭祖百忌、每日五行、二十八星宿、天干地支、生辰八字、时辰凶吉等开源项目。背景： 由于三体运动（主要地球、太阳、月球）无法准确预测，目前二十四节气依然还是靠天文台观测，Yovey使用传说中[Y*D+C]-L 寿星通用公式 方法实际有很多天数不准，def getSolarTerms(_date)12个if嵌套判断让代码变得十分冗余，由简书网友“大咖_247c”首先发现计算不准问题……

A numpad for number, date and time, built with and for React.

Emacs global minor mode facilitating multi-file writing projects

CODO运维工具支持：告警管理、告警自愈、项目管理、事件管理、加密解密、随机密码、提醒管理等

Simple Python & Flask web-calendar

Simple and lightweight GTK calendar (BSD license)

微信小程序日历 酒店日历选择 带公历节日

A Repository for students, geeks, programmers, and designers

A deployable web platform for collaborative conversation, ideation & sense-making. Use it for free at

📅 CosmoCalendar is a fully customizable calendar with a wide variety of features and displaying modes.

NOVA is a tool for annotating and analyzing behaviours in social interactions. It supports Annotators using Machine Learning already during the coding process. Further it features both, discrete labels and continuous scores and a visuzalization of streams recorded with the SSI Framework.

小程序插件-预约日历插件-微信小程序日历插件

日程调度日历。

Date and time library for Rust

For shaper, by shaper, help you be a shaper 🌱

Backup Android SMS, MMS and call log to Gmail / Gcal / IMAP

A complete date/time library for Elixir projects.

🎈 Start here for current projects, how to get involved, and joining community calls, a resource for new and veteran members

Implementation of java.util.Calendar for the Umm Al-Qura calendar system.

Virtual Office gives you transparency on what Zoom.us rooms are currently occupied and who is present

pear，梨子，轻量级的在线项目/任务协作系统，远程办公协作

Collaborative Visualization and Simulation Environment, OpenCOVER and OddLOT

A React-Native iOS style calendar implemented using VirtualizedList.

An android library which provides a compact calendar view much like the one used in google calenders.

A collection of containers to prepare a server for collaboration.

🐈 RxJava+Retrofit+Okhttp+Glide + A life tool App, contains modules: news; jokes; constellation fortune; LED; weather; calendar; two-dimensional code, and more ... 小秋魔盒是一个生活工具 App，主要功能有：新闻资讯；微信精选美文；笑话趣图；星座运势；LED字幕；天气；日历；二维码；手电筒；老黄历。在开发中尽可能多的用了目前比较流行的框架和库。

RCalendarPicker A date picker control, Calendar calendar control, select control, calendar, date selection, the clock selection control. 日历控件 ，日历选择控件，日历，日期选择，时钟选择控件

A single management utility to administer Location Services, Contacts requests, Accessibility, and iCloud access in Apple's OS X.

An issue tracking tool based on laravel+reactjs for small and medium-sized enterprises, open-source and free, similar to Jira.

A simple react based calendar component to be used for selecting dates and date ranges

Airbnb APP CalendarView

An implementation of Org mode without the dependency of Emacs - built for mobile and desktop browsers

Etherpad: A modern really-real-time collaborative document editor.

Collaborative editing with multi cursors sync using Quill and ShareDB.

A pure AngularJS responsive calendar directive

Defines and schedules Garmin workouts

React Native Calendar Components 📆

一套基于原生JavaScript开发的插件，无依赖、体积小

A multi-repository task board for GitHub issues.

Collection of customisable calendar related widgets for Flutter.