Open Source Java 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

Etar is an open-source material-designed calendar made for everyone.

The standard date and time classes prior to Java SE 8 are poor. By tackling this problem head-on, Joda-Time became the de facto standard date and time library for Java prior to Java SE 8. Note that from Java SE 8 onwards, users are asked to migrate to java.time (JSR-310) - a core part of the JDK which replaces this project. The design allows for multiple calendar systems, while still providing a simple API. The “default” calendar is the ISO8601 standard which is used by many other standards. The Gregorian, Julian, Buddhist, Coptic, Ethiopic and Islamic calendar systems are also included. Supporting classes include time zone, duration, format and parsing. Joda-Time provides a quality replacement for the Java date and time classes. Joda-Time is the de facto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310).

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

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.

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.

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.

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.

A Java library for reading and writing iCalendar (*.ics) files.

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.

A small tool to delete old entries in a ICS-Calendar (*.ics) file. Simply choose a *.ics-file, choose a date until you want to delete the old entries and click on the delete button.

Zimbra is an open source server and client technology for next-generation enterprise messaging and collaboration. Please see www.zimbra.com for the latest news and downloads.

Cal is a command line utility that will output a calendar for the desired month/year. It's simple and accurate with a few useful features. By default, Cal will display the current year. You can provide a month and year, a month, or just a year. You can also change the number of calendars per row in your display with the -n switch. See the examples below for a more through description. This is a single executable JAR file. While you will need Java installed, there is no need to install this program. Just download the JAR file, please it somewhere convenient, and execute it from the command line: java -jar cal.jar The Homepage provides more detailed information and instructions. https://github.com/frossm/cal

New concept of a modern diary and sticky notes, developed in Java SE

An Android calendar app focusing on a good view of a month, because I like the monthly view, and never use weekly view. So do you? Then this might be for you. For Android 4.0 and above. Legacy (Android 2.2+) version also available.

Java Client for OX HTTP-API providing a higher an lower API.

Amnesia is a reminder that allow to define alarms, stickers (post-its) for reminding you some important stuff, and notes about whatever you want. Alarms can be programmed to appear at a given time, stickers can be placed on desktop to view it anytime.

ASRemind is a desktop reminder application that links to a user's Google Calendar's entries and reminds them of upcoming activities. It also allows a user to enter notes on the various activities that a user is doing.

AchievePro is a project management software application that integrates scheduling and ticket based task management. It is implemented as a web service, with a client for both the web and iPhone.

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

This android app reminds you about upcoming birthdays. You can read and write the date of birth of all contacts in your address book. This project moved to GitHub: https://github.com/sealor/BirthdayReminder

Appointment scheduler allows a customer, patient or client to schedule an appointment via the company's homepage. This project is developed on java platform. and this is totally free.

Organize your activities with the help of this software. BSplanner is a simple, easy to use calendar application designed to lend you a hand when it comes to managing your daily or monthly activities.

Bizcal is a component library for calendar widgets written in java using swing. It has components for day view, week view, month view, group view, etc.