Operating Systems:
Embedded Linux 2.6:
Kernel mode device drivers:
802.11, Ethernet, VLAN, STP, PCI, USB, FireWire, RapidIO
Open-source software:
madwifi, ath9k, ath5k, mac80211, hostapd, wpa_supplicant, snmpd, olsrd, kernel-aodv, zebra, quagga, ipsec-tools
Processors:
x86, PowerPC, XScale
Windows:
Kernel mode device drivers:
802.11, Bluetooth, Ethernet,
WDM, KMDF, NDIS, TDI, WAN, TAPI, PCI, PCI Express, USB, HID, Serial, Power Management
Apple Mac OS X:
Kernel mode device drivers:
IO Kit, USB, Darwin, FreeBSD, UEFI/EFI (UNDI)
iPhone OS:
UI Kit, Cocoa Touch, Objective-C
Windows CE:
802.11 NDIS device drivers, NRL OLSR