The Framewerk engine is a PHP5-based object oriented site development platform. It is intended to be both fast and extendable. It is the culmination of years of site development and is designed to be a solid foundation for everything from Web sites that require content management to sites that run large communities. It is a scalable engine designed to make developing Web sites and Web content easy.
GLUE is a soapbox engine. It is a PHP/mySQL framework which can be used to set up discussion sites or Weblog sites. Its roots are from Weblogs, but unlike single-person Weblogs, its main focus is discussions. It can be used as simple Weblog software, a discussion site framework, or even as knowledge repository. It features themes, plugins/GLUElets, multiple-categories posts, comments, administration, and user customization, etc.
The GTK Programmer's Calendar is intended for people who think about time in terms of files and projects, and for people for whom what happened is more important that what will happen (e.g., "what projects did I work on last Thursday?" or "My last three days of work needs to be thrown away; how do I get it out?").
Galena was originally designed as a modular bot to serve commands on various protocols (Jabber, IRC, email, HTTP, FTP). Because of its design, Galena2 developed into a framework for server side applications, especially for Web applications and content management systems (CMS). Addins like wiki, message board, and news system are already included.
GeBlog is a modular Weblog (blog) system written in PHP, using ADODB and inspired by PHP-Nuke and Postnuke. It is an attempt to replicate some of the functionality of a normal CMS, while keeping a simple blog interface with template capabilities, without header and footer includes. The goal is to make it scalable for anywhere from a normal blog to a full CMS system.
Gemini is an advanced, multi-platform, standards compliant, messaging and calendaring client with powerful features for managing mail and news from multiple sources. Gemini provides flexible filtering of messages and protection from junk mail, viruses, and common breaches of netiquette. It has an attractive interface which is easy to use, yet hides nothing from the more advanced user. Additional features include mailing lists as pseudo-newsgroups, message templates, auto-replies, support for multiple identities, HTML, IMAP, SSL, editing of stored messages, spell checking, syntax coloring, and encryption/signing via integration with GnuPG.
Globe*Trotter is a guestmap. It allows Web site visitors to mark where they live on a map and include their personal comments, instead of merely tacking their personal regards onto the end of a long list. It benefits your visitors because they can easily read other's comments and add their remarks in a fun and novel way. It also benefits you, the webmaster, because more people will be likely to give you feedback and you will be able to see where your visitors are. A free hosted version of Globe*Trotter (with no ads) is available.