Chipmunk Topsites is a flexible topsite system utilizing PHP4/mysql. You can customize color, turned on options such as admin validation, whether to show buttons or not, time between resets, and whether to allow user reviews or not and much more. It has a gateway page and uses other methods to prevent cheating. Version 1.2 now features user ratings andreviews.
Cbb is an advanced guestbook written in the server side scripting languages PHP and MySQL.
It has an huge admin control panel and many features like smilies, CbbCodes, posticons, avatars etc.
Just take a look!
SilverNews is a news script based on PHP and MySQL. Features: Top news can be chosen from a news or you can enter a text; categories; search engine; memberlist; sticky news; attachments; comments; you can change/edit/delete everything in the admin control panel; Styles; Smilies; User profile; You can add, edit and delete users; 2 groups of users: normal and administrator; You can edit all templates via the admin control panel; You can turn your Newsboard online or offline; Available in german and english.
Content*Builder is a pluggable CMS that allows you to add own Modules without changing the running
system. The system uses PHP and MySQL for data-processing. It allows you to easily add, delete and modify articles, users and headlines. It features multi-user access levels
and multiple file upload. All settings can easily be configured via a web interface.
This is a simple and easy to setup tiny guestbook. You can place it on your site and your users can poste messages and discuss what ever they want. Most documentation is in german!