Modern computers tend not to have floppy drive controllers, so alternative ones are needed. Even in the rare case where your computer has a floppy drive port, it'll really only support native IBM PC formats, and one of the benefits of alternative controllers is the ability to image non-IBM formats on IBM disk drives.
USB Controllers
| Name
|
Drive support
|
Formats
|
License
|
Price
|
Available
|
Write
|
| Kryoflux
|
3"/3.5/5.25"/8"
|
Many
|
Commercial*
|
~$139
|
?
|
Yes
|
| SuperCard Pro
|
3.5"/5.25"
|
Many
|
Commercial
|
$99.95
|
?
|
Yes
|
| FC5025
|
5.25"
|
Many
|
Commercial
|
$55.25
|
Yes
|
No
|
| DiscFerret
|
3.5"/5.25"/8"
|
Many
|
GPL/Apache
|
N/A
|
No
|
?
|
| FluxEngine
|
3.5"/5.25"
|
Many
|
MIT
|
N/A
|
DIY
|
Yes
|
| ArduinoFloppyDiskReader
|
3.5"
|
Amiga
|
GPL
|
N/A
|
DIY
|
Yes
|
| USB FDD@1306
|
3.5"
|
1.44mb IBM
|
Commercial
|
~$13.50
|
Yes
|
Yes
|
| Applesauce
|
3.5"/5.25"
|
Apple
|
Commercial
|
$225-285
|
Yes
|
Yes
|
| Virtual Floppy
|
8"
|
TRS-80
|
?
|
N/A
|
No
|
No
|
| SIO2PC
|
5.25"
|
Atari 8-bit
|
Commercial
|
$35-70
|
Yes
|
Yes
|
| X1541
|
5.25"
|
C64
|
Public domain
|
N/A
|
DIY
|
Yes
|
| Glasgow
|
3.5"/5.25"
|
Several
|
BSD/Apache
|
N/A
|
No/DIY
|
Yes
|
| Greaseweazle
|
3.5"/5.25"
|
Many
|
Public domain
|
N/A
|
Yes
|
Yes
|
| ADF-Copy
|
3.5"
|
Amiga
|
GPL
|
N/A
|
DIY
|
Yes
|
Non-USB
| Name
|
Drive support
|
Formats
|
License
|
Price
|
Available
|
Write
|
Interface
|
| AFR
|
External 3.5"
|
Amiga
|
Non-commercial
|
N/A
|
DIY
|
No?
|
Parallel
|
| Catweasel
|
3.5"/5.25"
|
Many
|
Commercial
|
?
|
No
|
?
|
ISA/PCI/Zorro
|
| Copy II PC Option Board
|
3.5"/5.25"
|
Many
|
Commercial
|
?
|
No
|
Yes
|
ISA
|
| bbc-fdc
|
3.5"/5.25"
|
Many
|
MIT
|
N/A
|
DIY
|
No
|
Raspberry Pi(SPI)
|
| Pauline
|
3.5"/5.25"
|
Many
|
GPL
|
N/A
|
No/DIY
|
?
|
Ethernet
|