No info about availability.
Autobend
Envelope like module intended to detune a VCO on a gate signal. Rather then a logarithmic/linear scale of intensity, it's intensity scale is in semitones.
http://yusynth.net/Modular/EN/AUTOBEND/index.html
These merchants probably sell this module. Huh?
Included in 24 Racks, 11 are public: