Open Source PHP Calendar Software for Windows

Vtiger CRM enables sales, support, and marketing teams to organize and collaborate to measurably improve customer experiences and business outcomes. Vtiger CRM also includes email, inventory, project management, and other tools, providing a complete the business management suite. Download Vtiger CRM here or sign up for a free 15-day free trial of the cloud-based application with free updates and support at https://www.vtiger.com/

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.

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.

Jalali calendar is a solar calendar that was used in Persia, variants of which today are still in use in Iran as well as Afghanistan. Read more on Wikipedia or see Calendar Converter. Calendar conversion is based on the algorithm provided by Kazimierz M. Borkowski and has a very good performance. CalendarUtils class was ported from jalaali/jalaali-js.

Web based Veterinary Clinic Management software. Includes clients, pets, inventory (especially medicine), appointments, document management, invoicing, grooming, and boarding. More features will be added. Future features can be requested. PLEASE NOTE: The files are a Beta version. Please refer to VetClinicNews for more information. Thank you.

IlohaMail is a PHP based lightweight full featured multilingual webmail program with IMAP and POP3 support. IlohaMail also includes a full-featured contacts manager, bookmarks manager, and scheduler.

RC Calender Plugin is a Roundcube Webmail plugin to schedule events. It is written in PHP and implements web standards such as XHTML and CSS.

Showlister is a PHP/MySQL web application designed to make it easy for bands (and other performers, speakers, etc.) to maintain their performance calendar. Admins can add, edit, and delete shows through a web interface.

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.

Awal Php Tour Reservation n Portal is Php MySQL based open source tour reservation CMS system with Hotels listing and travel portal.

An object-oriented library written in PHP that allows reading and writing iCalendar files. It is easy to use, fully standards compliant, and powerful. Intended audience: application developers who want to support iCalendar (RFC-2445, iCal).

Joomla component (1.0.x, 1.5.x) designed to embed the booking / availability / reservation calendar of www.shared-house.com on a Joomla site. The calendar is designed for holiday / vacation home owners who wish to display availability to potential renter

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.

Business groupware (bgroupware) is a spin-off of the well known phpgroupware. This has been done for architecural and other reasons to keep imporvements alive that have been done by some professional ex-developers from a known company.

CALabiyo is a shared agenda including a full administration allowing a complete customization. Users can import/export data from Outlook or Sunbird. They can manage one agenda or more and compare them to the other users's ones. http://www.calabiyo.com/

CALimba is a multi-user platform to manage your calendar and your contacts.

CLIGRAPHCRM is a CRM web based. Open source CeCILL-C licence. It provides reports with graphs, sales-management, marketing campaigns with e-mailing, data export,internal news,etc.. online demo at http://www.projetcligraphcrm.com/clt1 user : demo34 pass :

A PHP script that uses a mySQL database and generates Monthly, Weekly, Daily calendars. It also has the ability to export the calendar to PDF so you can print them off or just save them on your computer.

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

CalendarTechnique is a feature rich customizable web calendaring and scheduling application with support for group/shared calendars. CalendarTechnique makes it easy to manage events, tasks and journal entries as well as import and export iCalendar files.

Cloveriver is a side project of Clover, a Simple Lab Information Management System (LIMS). It is used to manage and schedule lab instruments/equipment/rooms. For Clover, please visit https://sourceforge.net/projects/cloversystem/ . Cloveriver is very easy to use. Please visit https://sourceforge.net/p/cloveriver/wiki/Home/ for instructions. I wrote this project in a hurry. The codes are not pretty but are fully functional. This has been tested for over 1 year. Please do NOT store passwords using your browser. This does not work for Cloveriver, because it encodes your passwords before send to the server for verification. Please rate, like, share, and tweet, if you like this program!

Computer Repair CRM Open Source Project, A active web based customer management, trouble ticket and billing system for independent computer repair and service professionals and businesses based on the CiteCRM platform which ceased developement last year.

ConPortal - the Consultant Portal. A web-based scheduling and timeclock system, ideal for use at service desks.

The Crosswise project is a web-based community event calendar that adds modular data analysis and visualization, and communication methods, to provide community organizations with a powerful event planning, collaboration and analysis tool.

The BlackBox - austrians oldest, still existing online community is about to develope a new collaboration-ware.