mindstorms - EV3 software with large blocks - Bricks
LEGO MINDSTORMS NXT Dynamic Block Update Download - It allows the MINDSTORMS NXT to import new blocks to the complete palette
LEGO Mindstorms NXT Software v2.0 for Windows XP, Windows Vista, or Windows 7 and Macintosh OS X : The LEGO Group : Free Download, Borrow, and Streaming : Internet Archive
Lego Mindstorms Programming Software | Peatix
Installing the Mindstorms NXT Program (Mac and Windows) - Steven's Robotics