Location is a Radiant Extension that will allow you to create relatively robust list of locations (stores, churches, etc.).

Enables you to organize users into groups and apply group-based edit permissions to the page hierarchy.

Assets extension based on the lightweight Paperclip plugin.

Enables polls on pages. Uses cookies instead of sessions

Generates scraped layouts, allowing content to be inserted via regular expressions.

Adds search feature for pages, snippets, layouts, et al.

Original extension - https://github.com/jomz/radiant-tags-extension

Imposes structure on pages via content templates.

Various tools (method, tags) for Radiant projects

Radiant CMS Turkish Language Pack Extension

Makes Radiant better by adding users!

Host more than one site in a single instance of Radiant.