I think it would be beneficial for advice seekers, and for making comparisons if there were a list of all motors of which we are aware. I'll begin. Please try to make additions as clean and to the point as possible.
Direct Hub Drive
Crystalyte
-ebikes.ca
9 Continents
-Ebike Kit http://www.e-bikekit.com 36v (500-750w / 20MPH) / 48v (up to 1000w / 24MPH) -$230
-ebikes.ca
Golden Motor
-Magic Pie http://www.sdelectricbike.com has Golden motor kits including Magic Pie for $399 + delivery.
-1000W http://www.arizonaebikes.com - + controller + throttle - $315
El Cheapo Ebay
Aotema
-Wilderness Energy Kits
-750W (1200W max) http://www.hightekbikes.com + controller + battery bag + throttle - 319$
Grubee
Forsen
Go hub
E+ (motor in one hub, batteries in the other)
Bionx
Geared Hub
Fusin
Amped 3rd gen.
Ezee
-ebikes.ca
Cute aka Ananda
BMC
Bafang
-Holmes Hobby
Puma
-Holmes Hobby
MAC Shanghai
Non Hub Drives - Motors
Currie/Unite
Etek brushed permanent magnet motor http://www.thunderstruck-ev.com/etek.htm
MARS
AGNI
Fisher & Paykel - these motors mod well
Flytec AG http://www.flytec.ch/e-drive/hdp13.htm
Perm Motor GmbH http://www.perm-motor.de/index.php?id=4&L=1
Hacker 15 kW http://www.stevensaero.com/Hacker-Brushless-Motor-A200-8-HBM-A200-8-p-19216.html
RC Motors
Astro
-3110
-3220
Turnigy HXT Series
Scorpion http://www.scorpionsystem.com/
Plettenburg Predator
The 12kW RC Motor http://endless-sphere.com/forums/viewtopic.php?f=30&t=16728
Non Hub Drives - Kits
Cyclone
Stokemonkey
-ebikes.ca
Ecospeed
Full Ebikes
Zero
Stealth
Quantya
Giant
-mascot scooter
Ezee
Izip
Optibike (though silly expensive)
Scwhinn
Panasonic
-Eneloop
A2B Metro
Ultra Motor A2B
Trek http://trektoronto.ca/product-list/bicycles-electric-174/
Currie had quite a few different bikes and the USPD kit back in the day.
Lashout
Tidal Force
EV Global 24v & 36v
EV Warrior friction drive
Zap had the Electricruizer SX and still has a friction drive kit
Charger electric bike
Mercedes Hybrid electric bike
Raleigh Select
Direct Hub Drive
Crystalyte
-ebikes.ca
9 Continents
-Ebike Kit http://www.e-bikekit.com 36v (500-750w / 20MPH) / 48v (up to 1000w / 24MPH) -$230
-ebikes.ca
Golden Motor
-Magic Pie http://www.sdelectricbike.com has Golden motor kits including Magic Pie for $399 + delivery.
-1000W http://www.arizonaebikes.com - + controller + throttle - $315
El Cheapo Ebay
Aotema
-Wilderness Energy Kits
-750W (1200W max) http://www.hightekbikes.com + controller + battery bag + throttle - 319$
Grubee
Forsen
Go hub
E+ (motor in one hub, batteries in the other)
Bionx
Geared Hub
Fusin
Amped 3rd gen.
Ezee
-ebikes.ca
Cute aka Ananda
BMC
Bafang
-Holmes Hobby
Puma
-Holmes Hobby
MAC Shanghai
Non Hub Drives - Motors
Currie/Unite
Etek brushed permanent magnet motor http://www.thunderstruck-ev.com/etek.htm
MARS
AGNI
Fisher & Paykel - these motors mod well
Flytec AG http://www.flytec.ch/e-drive/hdp13.htm
Perm Motor GmbH http://www.perm-motor.de/index.php?id=4&L=1
Hacker 15 kW http://www.stevensaero.com/Hacker-Brushless-Motor-A200-8-HBM-A200-8-p-19216.html
RC Motors
Astro
-3110
-3220
Turnigy HXT Series
Scorpion http://www.scorpionsystem.com/
Plettenburg Predator
The 12kW RC Motor http://endless-sphere.com/forums/viewtopic.php?f=30&t=16728
Non Hub Drives - Kits
Cyclone
Stokemonkey
-ebikes.ca
Ecospeed
Full Ebikes
Zero
Stealth
Quantya
Giant
-mascot scooter
Ezee
Izip
Optibike (though silly expensive)
Scwhinn
Panasonic
-Eneloop
A2B Metro
Ultra Motor A2B
Trek http://trektoronto.ca/product-list/bicycles-electric-174/
Currie had quite a few different bikes and the USPD kit back in the day.
Lashout
Tidal Force
EV Global 24v & 36v
EV Warrior friction drive
Zap had the Electricruizer SX and still has a friction drive kit
Charger electric bike
Mercedes Hybrid electric bike
Raleigh Select