TiLP is a linking program for Texas Instruments' graphing calculators. It can handle any TI calculator from TI73 to V200 with any link cable (parallel, serial, TI's Black/Gray/Silver Link, AVRlink, and virtual). It features backup and restore, sending and receiving variables, ROM dumping, screen captures, grouping and ungrouping of TI files, and runs on UNIX, Windows, and Mac OS.
TIGL-USB provides a driver for the the USB version of the well-known TI-GRAPH LINK cabled used for connecting TI graphing calculators to a computer. With this cable you can backup/restore your calculator, send/receive variables, do screenshots, FLASH your calculator (update the Operating System), etc.