Ubuntulite strives to make modern software available for older computers in an easy-to-use distribution while upholding the Ubuntu Code of Conduct and contributing back to the community.
Read more about the history here
To that end, Ubuntulite is back. Rather than being its own ISO, the Ubuntulite install begins with a server install of Ubuntu and then uses a script to add the Lite-ness from the Ubuntu and Ubuntulite repositories. Here are the instructions. One thing I learned: There's a Ubuntu Feisty net install CD. I'm a great believer in the network install — one of the greatest things about Debian.