Open Source C Scheduling Software

Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp

Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.

!!We've Moved to GitHub at http://github.com/libical !!The code here on SourceForge is frozen !!Please follow us at http://libical.github.io/libical The Free Association project maintains libical, an open source reference implementation of the icalendar data type and serialization format. libical is used in dozens of calendaring and scheduling products.

The ZEG (Zero Effort Groupware) edition of SOGo is intended to provide a complete out-of-the-box testing environment of SOGo, the Open Source messaging and calendaring software.

EventGhost is an automation tool for MS Windows, that can be extended through plug-ins. Please visit http://www.eventghost.net/ to find more info and the latest release.

OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.

Collection of KDE PIM applications that can be run in a platform independent way on various platforms, like Sharp Zaurus, Microsoft Windows, Linux and others that support Trolltechs Qt. For now it includes KOrganizer and KAddressbook.

Progect is a project manager application for Palm type PDAs, it is simple and easy to use, but powerful. If you manage projects you will want to look at this software. Use it for everything! Shopping, Inventory, ToDo lists; see your progress at a glance!

BirthdayHint - программа для Windows, напоминалка о днях рождениях, именинах и любых других датах. Когда день рождения у тёти? Сколько лет исполнится бабушке? Ой, вчера у Васи была днюха, забыл поздравить! Знакомые ситуации? Тогда вам поможет программа BirthdayHint! Установите её, и она будет висеть в трее и напоминать о ближайших событиях.

GnoTime (formerly GTT, the Gnome Time Tracker) is a desktop utility for tracking the amount of time spent on projects, keeping a to-do list, maintaining a diary, and generating reports and invoices based on that time.

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.

GReortes 3.5 is a Greek personal calendar and religious holidays application for Linux 64bit OSs written in C ! Tested successfully on many popular distributions ( Ubuntu , Debian, MX Linux, Arch, Linux Mint , EndeavourOs, Pop-OS, Zorin, Fedora, KDE Neon , Kubuntu etc.) Allows the user to keep a personal diary for which data can be searched anytime. Code : https://github.com/fanisatt/EORTOLOGIO-GR (See latest version 3.5) Details in Greek ....

Hebcal, a perpetual Jewish Calendar, has moved to GitHub

A full-featured, GTK-based control panel for IceWM, featuring an IceWM theme designer, IceSoundManager (sound events), IcePref2, & tools to manage wallpaper, cursors, keys, window options, & more. IceWMCP has a familiar, Control Panel-like interface.

A client library adding support for the CalDAV protocol (rfc4791). The intension is to have a library which fully implements the protocol so that anybody with relative ease can add CalDAV support to there application.

Pal is a color, command-line calendar similar to gcal with support for displaying events and holidays. It supports many types of recurring events and has an easy to use interface for adding new events.

Generic record-based data entry for personal databases

ZSRep (Zaurus Synchronization Repository) is a project whose main goal is to provide a professional cross-platform solution for synchronizing one's Sharp Zaurus with any Desktop PIM software on the Linux or Mac OS X operating system.

ARA is an automated scheduler for universities (Assistent RAspisanij). It is cross-platform, free and open source.

The main goal was to write a very simple scheduler to get a reminder when there is the time to do a break. It was necessary for me to write it, because my boss decided to use a special tool to schedule different breaks every day

What happened on this day in history? Lists event and birthdays for a given date. Includes plenty of starter data, or add your own. Displays date in multiple calendars such as Hebrew, Mayan, and Shire (LOTR). GUI, CLI, web interface.

Convention Manager for PalmOS. Intended to be downloaded at a registration desk or website of a convention. Supports multiple cons, notifications for interesting scheduled events, and speaker and event info.

This is a simple utility to track the amount of time a PC is used. It can the used to determine 1. whether PCs are being used optimally, e.g. internet cafe's. 2. productivity (similar to punchcards). 3. sleep/wake cycles or bipolar cycles.

Citadel is a unique fusion of groupware, cms, bbs, and more...

Code-o-Meter is a set schemas and tools for collecting and analyzing data relating to personal productivity, e.g. for the Personal Software Process (PSP).