r3 is an extensible open-source tool for building and maintaining variant web sites by creating, managing and localizing templates and translations.

(tags: i18n l10n r3 rosetta yahoo ydn php tool language translation)

Ketama is an implementation of a consistent hashing algorithm, meaning you can add or remove servers from the memcached pool without causing a complete remap of all keys.

(tags: algorithms cache caching cluster clustering memcached hashing memcache scalability hash)

The new Flickr Uploadr has been built from scratch to work on Windows and Mac OSX. Before you upload you can add titles, tags and descriptions, add photos to sets and reorder your photos from Uploadr.

(tags: flickr opensource upload tool xul mozilla source)