Try some of the exciting apps developed by me:
For web-developer a great tool for minimizing and reducing the size of CSS. Read more here
English to Bangla, Bangla to English dictionary and translator. Lots of people are using it already, If you haven't already heard of it try here: http://eng2ban.appspot.com or on your Google Talk add firstname.lastname@example.org. You can read details about it here.
If you already have Java installed then Download banglaPad from here. For windows platform you can either use the .exe or .jar version, for other platform (linux or Mac) use .jar version.
Write bangla on any platform with easy phonetic based key layout. Read more here
Mahabubul Hasan Uzzal