EZoFlash 2 EZoFlash 4v2, EZoFlash 4v3 EZoFlash 4v4
EZoFlash+4v5 Willem 2.0 Willem SPI
Willem 3.1 Willem 3.1 by AZ-Electronics Willem v3.2 by GJ
ATH3.1s ATH3.1s modify by EVM (1) ATH3.1s modify by EVM (2)
Willem 4.0 Willem 4.5 Willem 4.1
PCB3B original PCB3B+ PCB3B , double side by progs.glt
PCB3B , double side PCB3B , double side by mcu-mall Dual Power Willem programmer by mcu-mall
PCB3B , USB power Willem programmer by Adelaida Electronic Willem PCB3 Programmer by OBDtool
PCB3 , double side PCB3C by TomSad Programmer by rebios
PCB3B by 89s51 MP929 multifunctional programming device PCB3B dual power by rebios
Programmer by Myelevator Willem programmer by programatoribg Willem programmer by mikroklub
Willem 4.0 by gotronik Willem 4.0 from Ukraine Dual power  Engeprog
L90 by 89s51 K1800, double side K1200 multifunctional (5th, double side)
K1200 , single side K1500 multifunctional K1800 red , single side
K001 multifunctional K1200 multifunctional (3rd, double side) A9 by pp51
KE multifunctional K1200 (pcb3/pcb4 mode) K1800 Extreme Edition
Enhanced Willem Universal EPROM programmer Enhanced by 89s51 Dragon Intelligent (pcb5.0)
Jiao Long programmer (pcb5.5) PCB7.5c
Willem Programmer version 3 by silvotronic Willem Programmer pcb3 v5.5 by silvotronic Willem Programmer pcb4 v6.0 by silvotronic
Universal Flash Programmer 6.03 Willem 6.0 by gotronik Willem 4.9 by TomSad
Willem PRO2 by Tomsad Willem PRO3 by Tomsad Willem PRO4 by Tomsad
Willem 4.3 by telwis Willem 5.1 by telwis Willem 5.3 by telwis
Willem 5.3 AT by telwis Willem 5.3 AT2 by telwis Willem AT3 by telwis
Willem 4.0, SMD by gotronik Willem 7.0 by gotronik Willem 7.1 by gotronik
PCB3B/3.5 pcb3/pcb35 by Holtek & Tekdevice PCB3B/3.5 by ekitszone
Shenglong programmer (PCB4C) PCB5.0 lite
PCB3.7C, PCB4C by Sivava 2006 Roof programmer
PCB4.5 by fsem PCB5.0F  by fsem PCB5.0F mod by willem-ua
PCB4.5C by Sivava PCB5.0 by Sivava PCB5.0 by Top-E-Engine
PCB5.0C PCB5.0E by rebios
PCB5.0a SMD by Kee Electronics PCB5.0E SMD by Kee Electronics Willem EZo by telwis
PCB6.0E_deepblue EPROM 2011 PCB5.0M+EZO4.5 by fsem
True USB Willem (GQ-2X) True USB Willem (GQ-3X) True USB Willem (GQ-4X)