Drupal is a modular content management system, forum, blogging and community engine. It is database driven and can be used with MySQL, MariaDB, PostgreSQL, and SQLite. Its features include (but are not limited to) discussion forums, Web-based administration, theme support, a submission queue, content rating, content versioning, taxonomy support, user management with a fine-grained permission system based on user roles (groups), error logging, support for content syndication, locale support, and much more. It is considered to be an excellent platform for developers due to its clean code and extensibility, and it can also be used as a Web application framework.
phpGrid provides professional-looking Ajax-enabled grid-based editing, create, read, update, and delete (CRUD) operations for Web developers in as little as two lines of code. It features cross-browser inline editing, support for all HTML form controls, integrated search toolbar, a master detail data grid, image display, MS Excel and HTML data export, permission control, a theme roller, built-in record sorting by any column, support for major databases including MySQL, SQL Server, and Oracle, support for large database record sets, and WYSIWYG and Ajax file upload.
ZedCMS is a simple base content management system from which more complicated systems can be developed. It is designed so a Web developer can quickly produce customised websites, and is not really for users. Users wanting to setup their own websites are better off with a different system, like Wordpress.
Cerb is a fast and flexible Web-based platform for business collaboration and automation. It helps you remember anything about anyone, collaborate from anywhere, deftly reply to a flood of email, automate, stay informed, capture feedback, track time, flag opportunities, manage tasks, share expert knowledge, and otherwise execute efficiently.
wger Workout Manager is a Web application that can manage your workouts, group them into schedules (A>B>C), and export them as PDFs or iCal files. It helps you keep a log of the weights lifted in the different exercises as well as your own body weight and can also create and manage your diet plans.
LemonLDAP::NG is a modular Web SSO based on Apache::Session modules. It simplifies the building of a protected area with a few changes in the application. It manages both authentication and authorization and provides headers for accounting, so you can have full AAA protection for your Web space. LemonLDAP::NG is a complete rewrite of LemonLDAP. All components needed to use it and to administer it are included in the tarball. However, all modules developed for LemonLDAP may not work with LemonLDAP::NG.
LightAdmin speeds application development by bringing a pluggable, fully operational data management backend to JPA-based applications and relieving your codebase for more important things. It allows developers to define a data management backend with POJOs and JPA and customize it using simple Domain-specific language.