Open Source Calendar Software

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

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.

chklinks is a non-threaded Perl link checker. It helps finding broken links on your website. It does not raises many simultaneously connections for its job, run out of the resources and crash your system in a moment.

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.

NOTICE: for the time bieng we are at http://code.google.com/p/persian-calendar/ a light-weight and easy to use Persian Calendar system (known as jalali or shamsi) for JDK. algorithms for converting Julian days to the Persian calendar, and vice versa are adopted from "casema.nl/couprie/calmath/persian/index.html" written entirely in VB. The algorithms is not exactly the same as the original. I've done some minor changes in the sake of performances and corrected some bugs. By Extending GregorianCalendar PersianCalendar supports: Converting Gregorian to Persian Calendar system and vice versa. Adding Years, Months, Days, Hours, Minutes etc to the current date Parsing string and produce PersianCalendar?! future release! Swing base DateTime? picker component GWT DatePicker? component see how to use: http://code.google.com/p/persian-calendar/wiki/ExampleUsage or read : https://sourceforge.net/p/persian/wiki/

Reqcore is an Applicant Tracking System built for companies receiving more applicants than they can effectively review. Instead of forcing recruiters to manually screen hundreds of résumés, Reqcore evaluates every applicant against role-specific hiring criteria and turns large applicant pools into a clear, prioritized shortlist. Each evaluation includes an explanation of why the candidate matches, helping hiring teams identify strong applicants without losing them in the noise. Reqcore is best suited to companies whose main recruitment challenge is reviewing applicants—not attracting more of them. It combines applicant tracking, candidate evaluation, pipeline management, and team collaboration in one modern hiring platform. Key Benefits: * Built for Applicant Overload: Manage roles receiving hundreds or thousands of applications without overwhelming recruiters. * Criteria-Based Evaluation: Evaluate every applicant against the qualifications and requirements that matter for

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.

BRIM is a MVC framework, written in PHP and based on items with a hierarchical relationship. The list of plugins make BRIM a Information Manager with plugins like bookmarks, a calendar, contacts tasks, notes, RSS etc. The application is multilingual.

Calendar lib is a poweful multilingual web PHP-Calendar-Class.Highlight special events-Forward and Backward navigation between months and years. Appearance set by CSS style sheet. With optional AJAX navigation. Visit http://www.tsql.de

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.

A Material design backport of Android's CalendarView. The goal is to have a Material look and feel, rather than 100% parity with the platform's implementation. Material CalendarView 2.0 comes in with a major change into the core of it's API, we transitioned from using java.util.Calendar to java.time.LocalDate. Also that should not impact the public api (we are still using CalendarDay), both Calendar and LocalDate function a little bit differently. One example of that: Months are now indexed from 1 (January) to 12 (December). You can access from the LocalDate from CalendarDay using getDate().

====== OIL (Object Introspection Library) for C++ ====== Aims at Facilitating the Object Introspection Capabilities for C++ Developers. The Goals is to be able to display and modify the contents of any given C++ Object at run time.

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 PHP library providing an iCalendar parser and object creator. It is object orientated, unit tested, and conforms strictly to the latest iCalendar standard (the successor to RFC2445).

SmartCalendar is a purely Java-based library of graphical calendar beans, including calculagraph and calendar tools.

biweekly HAS MOVED TO GITHUB! Watch me, star me, fork me! https://github.com/mangstadt/biweekly biweekly is an iCalendar library written in Java (requires Java 1.5 or above). The project aims to provide a well documented, easy to use API for reading and writing iCalendar and vCalendar data.

This project is a collection of iCalendar and xCalendar utilities and programs supporting the IETF (http://ietf.org) RFC-2445, RFC-2446, and RFC-2447 proposed standards.

MintHCM is the first open-source Human Capital Management platform built AI-first: it offers native support for MCP (Model Context Protocol), letting AI agents like Claude work directly inside your HR workflows — handling scheduling, leave requests, performance review prep, and reporting through natural conversation instead of clicking through menus. Beyond AI, MintHCM covers the full employee journey - recruitment, onboarding & offboarding, time & leave management, performance reviews, and analytics with an API-first architecture you can self-host or run on MintHCM Cloud (free for teams up to 15 employees). Open source under AGPL-3.0 - audit it, extend it, own your data. Join the community on GitHub and Discord to follow development or contribute. https://discord.gg/zHu8AfCEVb

Open source java diary tools. User can record diary by plain or rich format text. Simply text editor. Simply calendar management. Simply and useful is it's aim.

OpenJean is a cross-platform, extensible, personal information manager. It includes: file manager, RSS aggregator, calendar and appointments diary, mailer, image manager, multimedia manager, favorites, notes, tasks, anniversaries, topics and address book

kolabobjets are a set of perl classes for easy manipulate kolab object (contact, event, task) and write it into imap folder