Portable development links
Wish I had this 10 years ago
Associate filetypes to VIM
Prototyping GUI/Web Applications using Spreadsheet
Freemind for presentations?
Rediff.com: “Manindra Agarwal and two of his students at the Indian Institute of Technology, Kanpur, have found a quick way of solving a timeless problem: how to determine whether a given number is a prime number.”
If you have Adobe Acrobat Reader, get the algorithm from here: http://www.cse.iitk.ac.in/news/primality.pdf