Grouping articles
Group articles with few lines of code.
Keywords: group, divide
Sort XML with XSL
Reorder an XML list with XSLT.
Keywords: xsl, sort, merge, feed
etc_tree
Trees for geeky grandmas.
Keywords: tree, menu, drag, drop
etc_cache
Cache trying hard to be smart.
Keywords: smart, fast, cache
Reviews test
Weighted category cloud
Yet another one.
Keywords: category, tag, cloud, link