Custom Devices and Software
•Custom built hardware and software
–BrailleNote range from HumanWare
•Custom hardware with compatible  software
–PacMate range from Freedom Scientific 0 runs Windows CE
•Adapted devices
–Maestro – DELL PDA with adaptive software and a hardware button overlay
•Linux based PDAs
•Add-ons
–GPS systems – Trekker for the maestro and a receiver for the BrailleNotes
–Depends on accessible maps being available