1225 Open source projects that are alternatives of or similar to groupoffice

For over 20 years, teams of all sizes have used Cerb to manage their email workloads. Whether you're a solo founder replying to a few support messages per day, or a team with hundreds of members replying to thousands of messages per hour, you can serve your audience faster with Cerb's time-tested tools. Development at: https://github.com/jstande…

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

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

A simple python library to interact with Microsoft Graph and Office 365 API

CRM& Chat& Collaboration system/tool written in PHP, Free Upgrade Forever!​

Copper mail : comprehensive email solution which can be readily deployed without complex configurations.

Web based groupware server written in PHP, forum at https://help.egroupware.org/

A web based file manager,web IDE / browser based code editor

Run sogo in a docker container.

☁️ Nextcloud server, a safe home for all your data

BNote - Open Source Ensemble Management

Installer for Thymeflow, a personal knowledge management system.

The project used for Convergence Project Management and Issue Reporting

Backitup enables the cyclical creation of backups of an IoBroker / Homematic installation

MJML starter kit, create responsive emails very quickly using MJML and this productive toolchain

A throwaway smtp server with API

Teams for OpenStreetMap! Check the beta 👉

Easy trick how to enjoy Git versioning for Sketch files thanks to Git Hooks

The social bookmarking app for individuals and teams

⇆🎉 http file sharing hub (py2/py3)

vtenext the CRM for the Digital Innovation. It allows you to engage your customers into your business processes using a specific technology. It can also be used to manage processes generated by internal customers.

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

SparkPost client library for Elixir https://developers.sparkpost.com

Multi-tool reverse engineering collaboration solution.

A calendar picker component, based on jQuery.

A Gulp workflow for maintainable email templates

MailTrap has been renamed to Sendria. Please use Sendria now, MailTrap is abandoned. MailTrap is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

📅 Calendar link generator for popular services

The official app for the OpenStack Summit

Laravel Fullcalendar scheduler component

Drag and Drop your tasks and reminders based on a weekly calendar with a clean, minimal interface and zero clutter 🗓 💯 Built with React DnD 💻

Fast and elegant file hosting service.

My Objective-C port of KosherJava. KosherCocoa enables you to perform sunrise-based and sunset-based calculations for Jewish prayer and calendar.

Contao extension that allows members of your website to subscribe to the events

Simple Keylogger with smtp to send emails on your account using python works on linux and Windows

Installation Scripts for Ubiquiti's UCRM - Complete ISP Management Platform

Realtime collaboration for programmers. (Brackets Extension)

Monorepo for small Go modules maintained by Tawesoft

开源的时间管理App，基于Material Design设计

Core package for avored shopping cart

Automatically generate your GitHub user profile page

Simple Screens is a library of screens and screen components (forms, sections, transitions) to be included, extended, or generally reused in applications based on Moqui Framework and Mantle Business Artifacts.

Python's core datetime inspired nepali datetime (BS date & NPT) package 🇳🇵

Jenkins Calendar View Plugin: Shows past and future builds in a calendar view

(微信小程序插件) yuanful-ui是一套可添加到微信小程序内直接使用的免费功能插件，无需重复开发，为用户提供更丰富的服务。

Display yr.no weather (supports the entire Earth) forecasts with highly customizable Event titles in your Google Calendar, Android phone, iPhone, Outlook or other iCalendar app

Mail new tasks to your TaskWarrior inbox

A react native calendar strip that support swipe!

Make AppleCalendar using JTAppleCalendar library.🎉

[DEPRECATED] - Official Node.js client library for the Context.IO Email API

A Hugo theme component to cloak email adresses

A re-imagining of the iconic BBS software.

A quantitative finance toolbox

The official MailerSend Laravel Driver

A web app for synchronized group drawing. Draw together with other people in real time.

A flexible file storage server

C# .NET Wrapper around the common HubSpot APIs.

WIP: React native port of react-infinite-calendar

Ionic 4 Datepicker component

💾 A telegram bot for backing up and collecting all kinds of media.