Self-Hosted Scheduling and Calendar Apps

Calendar interface for CalDAV, enabling cross-device event sync, web editing, recurring events, Nextcloud Contacts integration, WebCal support and attendee invites.

Nextcloud is the most deployed on-premises file share and collaboration platform. Access & collaborate across your devices. As fully on-premises solution, Nextcloud Hub provides the benefits of online collaboration without the compliance and security risks.

Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.

Feature rich event, group and time managment system.

Comprehensive CalDAV and CardDAV server enabling local or remote calendar and contact access with configurable authentication.

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.

A versatile daily planner and task manager that organizes your tasks, projects, and calendar events into one seamless Timeline view. Available on Android, iOS & Web.

A shared agenda for local communities.

grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.

A simple, self-hostable group calendar. Feber is a single PHP file (+assets) that runs on virtually every webhost.

Orbit Communicator is a client server application that's designed to be deployed locally on your desktop machine. It currently provides an integrated email / calendaring experience based on external IMAP mail sources.

GRUP is an event scheduling app that allows you to create recurring events, invite friends, and keep track of their RSVPs.

The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.

Appointment scheduling/booking application that aims to be super-simple, and open source!

OpenPaaS is an open, modern and business-oriented collaboration platform. Gorgeous on any devices, it ships with incredibly useful web applications, including a mail, a calendar and a contact app.

Web-based team collaboration suite with email, calendar, contact and project management, filesharing, CRM, trouble tickets, chat, and online office integration.

WebCalendar is a PHP-based calendar application that can be configured as a single-user calendar, a multi-user calendar for groups of users, or as an event calendar viewable by visitors.

Homechart helps you budget, conquer your todo list, plan meals, manage your recipes, and so much more.

Date picker formatter is an add-on for the Drupal CMS that provides similar features to the online service 'Doodle'.

Online booking software for sport studios. With appointman your customers book classes, trials , services and workshops. Use the full capacity of your classes and make sure your customers will never experience overcrowded or empty classes.

Appointment Booking Calendar is a WordPress plugin for accepting online bookings from a set of available time-slots in a calendar.

Powerful and easy customizable PHP events calendar script for generating web calendar control. Easy to integrate with a variety of PHP projects.

Imagine being able to have a single message, optimized for each platform you use, scheduled and ready to go even before the day begins, leaving you free to get back to what matters the most to you. Social Web Suite makes this not only possible, but easy, affordable, and...

Booking Commerce is SaaS-based Online booking and Appointment Scheduling software that ease your customer onboarding process and get your sales rolling. Now you can power your business using world's first online comprehensive platform for bookings.

jquery-calendar - A responsive jquery calendar scheduler built with bootstrap and moment.js