eLabFTW is an electronic laboratory notebook system. Once installed on a server, every member of a lab can write up their experiments, upload files, manage a database of products (antibodies, chemicals, siRNA, papers, or whatever you want). It was created with usability and security in mind, is very easy to use, and has a long list of features specific to research life.
phundament is a Yii module for implementing content management. It includes a widget manager for content management, CKeditor 3 with a custom file manager, an interface that can be customized with jQueryUI themes, user registration, widgets for HTML content, blog postings, submenus, and more. It is easy and efficient.
The ApPHP Calendar (ApPHP CAL) is a powerful PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event processors etc. The calendar is very simple to install, implement, and use. It has a user-friendly interface and navigation. It can be viewed in various ways: yearly, monthly, weekly, and daily.