Keyspan
Keyspan USB Serial Adapter
FreeKeyspan USB Serial Adapter: Fast and Easy Connectivity
Windows
Keyspan SX Serial Card Updater
FreeUpdate Your Keyspan SX Serial Card Efficiently
Mac
Keyspan USB adapters
FreeKeyspan USB Adapters: Essential Utility for Mac Users
MacKeyspan USB PDA Adapter
Trial versionKeyspan USB PDA Adapter Software: Reliable Connectivity
WindowsKeyspan USB Twin Serial Adapter
FreeEfficient USB Serial Communication for Mac
Mac
Keyspan Digital Media Remote
Trial versionKeyspan Digital Media Remote Software for Media Control
Windows