Need help for windows keyboard creating software

Please anybody can help me to create keyboard creating software like Keyman Developer.
A. Nagarajan
Answer #1
Moved to correct section

Answer #2
Check the source of this program:
https://code.google.com/archive/p/keyboardlayouteditor/
There’s a simple web tool too, you can save the layouts at Github.
http://www.keyboard-layout-editor.com/
Answer #3
there’s this in MOBILE section
ai.type Keyboard Plus v7.0.3 Premium Unlockedhttps://www..org/viewtopic.php?t=23109846
I use MountFocus for custom KB’s but I no longer find on WBB
it’s here
http://www.virtual-keyboard.com/Touch_Screens/touch_screens.html