Open Source ChromeOS 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.

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.

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.

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

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.

The Java Calendar Tools project will contain open source components for use in Calendar applications. The focus will be on providing tools that are in compliance with existing standards like iCal (RFC 2445).

DDay.iCal is an iCal (RFC 5545) class library for .NET 2.0 and above, Silverlight. It aims at being as RFC 5545 compliant as possible, while targeting compatibility with popular calendaring applications, like Apple iCal, Outlook 2007, etc.

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

Simple Calendar for Oracle Forms without library.

Calendar Multiplatform in .NET

Pieman is a command-line tool for managing personal information such as appointments, contacts, and tasks as well as other data such as notes and rc files. It is a portable pure-perl tool inspired by abook, devtodo, mutt, and pal, among others.

A desktop application that automatically synchronizes your cellphone with Google calendar, using Bluetooth or your plain old USB cable. Designed to be unobtrusive.

Open Source software (PHP) managing iCal (rfc2445) files, for non-calendar systems like CMS, project mgmt systems etc. able to manage calendar information like agendas, tasks, reports, totos, journaling data and communicate with calendar software.

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.

I haven't looked at this in a while, so use at your own risk. Appointment Keeper is a web-based appointment scheduling system intended for small medical offices. It allows for multiple providers and a variety of searching and sorting functions.

The lightning-exchange-provider addon allows you to use Microsoft Exchange calendars in Thunderbird, via Exchange’s web services. The addon works on Thunderbird 3.

Platformunabhängiger Kalender zum Eintragen von Ereignissen mit Erinnerungsfunktion. Beinhaltet alle deutschen Feiertage. Zwischen den Ansichten Jahresansicht, Monatsansicht, Wochenansicht und Tagesansicht kann umgeschaltet werden. Der Kalender kann im Hintergrund laufen und ist personalisierbar. Automatische Erinnerungsfunktion für nahende Ereignisse / Feiertage. Synchronisation über einen FTP-Server möglich.

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.