Jmol is a Free, Open Source molecule viewer and editor. It is a collaboratively developed visualization and measurement tool for chemical scientists. Jmol is an active project, and there are new features being added to it on a daily basis. Users are encouraged to modify it to fit their needs and to contribute their changes to the project.
Sequoia provides high availability and performance scalability for databases. It is is the continuation of the C-JDBC project. It provides transparent database clustering (partitioning, replication, etc.). It works with any Java application without code modification and with any database engine. It has been successfully tested with Tomcat, JBoss, JOnAS, WebSphere, MySQL, PostgreSQL, Apache Derby, HSQLDB, SAP DB, Oracle, DB2, Sybase, MS SQL Server, Firebird, and more.
EZ Reusable Objects (EZRO) is a Web application that can be used by non-technical staff to manage content as "objects." Content objects containing text, video, and audio can be shared, modified, and re-styled to appear via a traditional Web site, an on-line course, an innovative "Coach," or as a community of interest site. It is highly scalable and can be used for public Web sites, secure environments, and private intra/extranets.
FreeSMS (Free Student Management System) is a Web application for managing an educational facility. It manages teachers and students and provides marketing, registration, course management, attendance, and a student evaluation system, and manages courses within a class environment. Profile-based management is supported for administrators, teachers, and students. Teachers and students can be registered online. Students are allowed to manage their own class enrolment and submit course evaluations, and teachers can manage student attendance. The differential factor and elegance of this project lie in the OOP standard and a modular structure. The code is clean and very extendable.
Sudoku Sensei is not a Sudoku solver, but an "explainer". It can list the logical steps taken. It can generate new Sudokus and rank their difficulty. It supports not only 9x9 grids, but MxN, samurai, or any layout you can describe with the board editor. It has a GUI, manual, tutorial, and examples.
Graidle (Graph aid) is a Web application for creating charts. It can be used to generate several types of graphical diagrams. It has classes specialized in generating histograms (also horizontal), spider graphs, pie charts, and line (also filled) charts. Several visual aspects may be customized, such as colors, font dimensions, labels, and axes. The diagrams are generated as true color images using PHP and GD library functions, and can be displayed as the current script output or saved to a file in the PNG format.