Open Source PHP Calendar Software

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.

Kimai is web based software that tracks work time, and classifies it. It tracks time and prints out a summary of your activities on demand. Yearly, monthly, daily, by customer, by project, by action. FETCH THE LATEST DOWNLOAD FROM GITHUB: https://github.com/kimai/kimai/releases Record expenses and print customizable invoices in different formats. For further information visit: - https://www.kimai.org - https://www.kimai.cloud - https://github.com/kimai/kimai

Features: web2.0 project- & task-management, timetracking, team organizing, resource management, calendar, interface for your clients and lots more! Content: see license.txt (file section).

A simple agenda tool written in PHP with MySQL backend. An agenda tool accessible everywere there's internet. Easy to install and configure. Key-features include: scheduling appointments, holidays, todo lists, secure access, multiple users, etc.

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.

PHP driven Inventory, HelpDesk, Support, Issue Tracking, and Knowledge Base web application. Focuses on simplicity and ease of customization. Sort of a mini-Directory solution for SMBs using PHP and any Pear::DB supported database.

phpMyAgenda is a complete web application that allows you to manage and publish events (concert, meetings, etc...). It stores description, dates, places, contacts, event registrations, and event polls.

BPhilCal - a calendar server script for generating printer-friendly chronologically sorted listings for one or many selected concert subscriptions of the Berlin Philharmonic Orchestra Sir Simon Rattle and Chamber Music Hall incl. links to Wikipedia.

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.

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

The DAViCal CalDAV & CardDAV Server is a repository for calendar, todo, journal and vcard entries to be accessed via CalDAV clients such as Evolution, Lightning, Apple iCal or the iPhone. You need to download both DAViCal & the AWL library.

A very lean but very flexible, designable and extensible group calendar php-webapplication for clubs to manage their events and event participation. It allows easy integration with other applications and features single-sign-on.

PHPAdvocat (Anwaltskanzlei-Suite) is a web based office suite for lawyer offices to manage contacts, files/documents, invoices and events. It is written in PHP and stores data in a PostgreSQL or MySQL database. Though it is mainly designed for german offices it should be adoptable for other countries. The Development has been moved to Gitlab: https://gitlab.com/phpadvocat/phpadvocat

A collection of functions to assist team work within a small to medium enterprise: Address Book, Calendar, Timesheet, Document Management, Email

Shootingmanager is an interactive version of the shooters diary. It will work together with existing software solutions.

Sillaj is a PHP time tracking tool. It allows to register time on projects and tasks and create reports and Gantt charts. Sillaj is multiuser and multilanguage, uses a database and is themable through Smarty templates. It is distributed under the GPL.

Sunline is a Online-Version of the Mozilla Sunbird. Later on it gets additional Features, for scheduling of Music Groups and so on...

VTCalendar is a web-based event calendar that allows for decentralized data input and includes an approval mechanism. It supports calendar hosting for individual organizations and the forwarding of events from these calendars to the main event calendar.

dit.cms is a multilingual enterprise content management system with a strict focus on total flexibility, broad functionality and very user friendly interfacing. Any website can be created. Module development is easy for PHP/xHTML experienced developers.

minthcm.org is a free and open-source tool for Human Capital Management. Mint based on two popular, well-known business applications: SugarCRM Community Edition and SuiteCRM. This is why we often say that MintHCM is CRM reinvented. You all know how much goes into technological development of this type of business software… That's why we need your help. Thanks to the open code of both SugarCRM CE and SuiteCRM we were able to reintroduce some features, redesign other, and provide brand new system to the users. The code of MintHCM remains open so feel free to use it.

The idea of webpda is to dispatch the problem to synchronize your private data such like calendar, addresses and emails. You can configure a lot of mail accounts. So you are PC- and platform independent. You only have to copy the project to your webspace

NETOFFICE EIS: CRM/SRM Corporate AddressBook ; iCAL Corporate Calendar + Agenda ; eMSG MailBox Email + Fax Messagery ; DMS FileManager + Document Management ; EXTM ModExpress (modules / extra apps: financial, sales) ; CPanel administration ; Intercha