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 datagrid, 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.
Agilo for Scrum is a tool that integrates many useful functionalities to support Scrum and more. It is meant for a product owners managing a product backlog and release plan, Scrum masters coaching and supporting a team, and developers tracking issues and sharing knowledge. Agilo is highly configurable to adapt to your specific workflow and provides streamlined and full support for your daily work. Agilo supports multi-project environments as well as small teams and helps them to manage Scrum and the development issues at the same time.
EternalCMS is a content management system. It is built on top of Zend Framework, which helps promote cleaner code, better performance, and faster development. Some of its major features are the ability to post multi-page articles with unlimited categories and sub-category support, a bidirectional RESTful API, a user management system with multi-level ACLs and optional account activation, an optional moderation queue, RSS/Atom/MRSS feeds, and user profiles.
EZPX is a lightweight photoblog engine with all the features you need and a user interface you'll love to use. It can be used as a standalone photoblog application or as a Flickr agent. It features an easy installer/upgrader that notifies you when an upgrade is available, support for templates, and much more.