Type 1 Tag, type 2 tag, Type 3 tag, type 4 Tag
Type 1 is based on ISO 14443 A and are currently available exclusively from Innovision & Technology (topaz™). It has a 96-byte memory capacity, which makes it a very cost-efficient tag for a wide range of NFC applications
Type 2 are also based on ISO 14443 A and are currently exclusively available from Philips (MIFARE UltraLight). It has half the memory capacity of Type 1 tags
Type 3 are based on FeliCa and are currently exclusively available from Sony. It has a larger memory (currently 2kbyte) and operates at a higher data rate (212KBIT/S), which means it's suitable for M Ore Complex applications
Type 4 is fully compatible with ISO 14443a/b and are available from a number of manufacturers, including Philips (typical Product example is MIFARE desfire). It offers large memory-addressing capability with read speeds of between 106kbit/s and 424kbit/s–making it suitable for Multiple applications.
Domestic can be found is type 2, type 4,NXP produced Mifrare Ultralight (BlackBerry 9900 test succeeded), and DESFire (BlackBerry 9900 test failed)
See
NFC Forum Type Tags White Paper
Using the right NFC tag type for the right NFC application
Other NFC white papers