Bit Fiddle

Windows:

Bit Fiddle 1.4 32 Bit
Bit Fiddle 1.4 64 Bit
VC Redistributables of Microsoft

↑ Requires Windows XP ↑

macOS:

Bit Fiddle 1.4.2
Bit Fiddle 1.4.1

↑ Requires macOS 10.9 Mavericks ↑

Bit Fiddle 1.4
Bit Fiddle 1.3.1
Bit Fiddle 1.3
Bit Fiddle 1.2.2
Bit Fiddle 1.2.1
Bit Fiddle 1.2.0
Bit Fiddle 1.1.1
Bit Fiddle 1.1
Bit Fiddle 1

↑ Requires macOS 10.6 Snow Leopard ↑