Ore ISK Counters
These sites give the current market value of the various ores of New Eden. They are fantastic for figuring out the value of what you're mining, thus giving you direction in what to mine.
Miscellaneous Manufacturing Tools
These are various tools that can help with manufacturing and other industry jobs.
Other Indy Blogs
I am, naturally, not the only blogger on the net. There are others blogging about their experiences as Industrialists in New Eden