Open Source Calendar Software

Ever wanted to get rid of Outlook ? DavMail is a POP/IMAP/SMTP/Caldav/Carddav/LDAP gateway allowing users to use any mail client with Exchange and Office 365, even from the internet through Outlook Web Access on any platform, tested on MacOSX, Linux and Windows

Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform.

RedNotebook is a graphical diary and journal helping you to keep track of notes and thoughts. It includes a calendar navigation, customizable templates for each day, export functionality and word clouds. You can also format, tag and search your entries. Please find the latest releases at https://rednotebook.app

Project has moved to github: https://github.com/craigk5n/webcalendar WebCalendar is a PHP application used to maintain a calendar for a single user or an intranet group of users. It can also be configured as an event calendar.

A planning calendar for scheduling holy services at small parishes. Synchronizes with GoogleCalendar so as to be able to collaborate with mobile devices.

BORG is a calendar and task tracking system written in Java. The calendar provides a nice month view, month-print, email reminders, popup reminders and to do list. The task tracker tracks issues through various states.

Calendar Multiplatform in .NET

JDavide (per gli amici JD) è un software gratuito per la gestione dello Studio Legale che aiuta l’avvocato nell’espletamento delle operazioni quotidiane. Funzionalità: pratiche, agenda, formulario, atti, parcellazione, rivalutazione, ecc.

The VCS to ICS Calendar Converter allows you to convert VCALENDAR files (for example generated by Nokia nbuexplorer or Microsoft Works) to the newer iCalendar format, used by Android and iOS for example. It allows the parsing of events and todo's.

openCRX moved to https://github.com/opencrx

Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).

XartNote is an open source diary, note and journal tool. Written in php, fully compatible with linux and windows (other platforms are available, but not tested), without database required. Support rich text format, support images, support tags, support multi-language, support template.

New Version coming soon. Designed as a simple reservation management system for SME vehicle rental agencies. Created as a test harness for our e-Bridge travel distribution product, but fully functional for use by operators, car, bike, bus rental agencies. e-Bridge Vehicle is e-Bridge ready, so it can be connected directly to your website via an online booking engine and directly to agents. Software is language independent. Register for e-Bridge http://www.e-bridge.co Demo TBA - being updated Please checkout our other projects e-Bridge Tour http://otatour.sourceforge.net/ e-Bridge Golf http://otagolf.sourceforge.net/ e-Bridge Hotel http://otahotel.sourceforge.net/

Calizo is a calendar with a zoomable timeline. Unlimited zooming allows to manage historic, genealogical, biographic data, everyday tasks, projects or life plans - for scheduling, genealogy, project management, todo lists, link- and file- organizatio

Parses a (possibly remote) iCalendar file and provides the first 10 (or a configurable amount) 'upcoming events' as an RSS feed.

phpMyAgenda is a complete web application that allows you to manage and publish events (concert, meetings, etc...). It stores description, dates, places, contacts, event registrations, and event polls.

OpenCustomer is a Web-based customer relationship managment (CRM) application, using Mysql and Java/Tomcat. (Online Demo available)

Periodic Calendar is a GUI application which assists in women menstrual cycles tracking and fertility periods prediction. Periodic Calendar provides support for BBT and sympto-thermal methods which have the highest reliability.

Tamil calendar application computes panchangam for the given Gregorian calendar day such as Tamil month,Tamil year, Tithi , Nakshatra, Raghu Kaalam , Yema Kandam etc.

Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.

ABDCalendar is a javascript framework for those that want to display a calendar in their webpages. It supports a month view and a daily view. You can add events or show them on the schedule.

ASP Calendars is a simple, easy to use ASP Calendar Control for ASP .NET 2005. ASP Calendars can be described as a scheduler control that holds a calendar of events in a nice graphical interface

A Plone, Archetypes based product which provides reminder objects (a new eventlike content type) and a tool for processing reminder objects periodically.

Application for managing calendars. The main focus is a print function for printing month oder weekly overviews that can be pinned on a wall etc. Many sources of terms will be available, for example Google Calendar (already tested!), iCalendar or other f