Sofle is 6×4+5 keys column-staggered split keyboard with encoder support. Based on Lily58, Corne and Helix keyboards.
It is currently in development.
The firmware is available here: https://github.com/josefadamcik/qmk_firmware/tree/soflekeyboard/keyboards/sofle
More details about the keyboard on my blog: Let me introduce you SofleKeyboard - a split keyboard based on Lily58 and Crkbd
The current (temporary) build guide and a build log is available here: SofleKeyboard build log/guide
If you are interested in building the board and don't want to bether with KiCad, the gerber files are avaialble in Gerbers directory.