Guitarix team http://www.guitarix.org/
3 Pedalboards using it

GxWah

Plugin screenshot

Analog wah emulation of the classic Dunlop Crybaby (*). (*) 'Other product names modeled in this software are trademarks of their respective companies that do not endorse and are not associated or affiliated with MOD. Dunlop Crybaby is trademark or trade name of other manufacturer and was used merely to identify the product whose sound was reviewed in the creation of this product. All other trademarks are the property of their respective holders.' *Unofficial documentation

Control Default Min Max
Wah 0.00 0.00 1.00
http://guitarix.sourceforge.net/plugins/gxautowah#wah v.1:28.3-9