Let me introduce you SofleKeyboard - a split keyboard based on Lily58 and Crkbd – Josef Adamčík
Amazon.com: R-Go Tools Split Break – Ergonomic USB Wired Split Keyboard with LED Break Technology| Enhance Comfort, Productivity, and Flexibility | Ideal for Flexible Work Environments and Traveling Workers : Electronics
Amazon.com: Nulea Ergonomic Keyboard, Wired Split Keyboard with Pillowed Wrist and Palm Support, Featuring Dual USB Ports, Natural Typing Keyboard for Carpal Tunnel, Compatible with Windows/Mac : Electronics
Logitech ERGO Series K860 Wireless Ergonomic Keyboard - Split Keyboard, Wrist Rest, Natural Typing, Stain-Resistant Fabric, Bluetooth and USB Connectivity, Compatible with Windows/Mac - Graphite - Walmart.com
Why use a split keyboard - Kinesis
Cloud Nine C989 ErgoFS Mechanical Split Keyboard Review: Ergonomic Without the Weird | Tom's Hardware
Review: ZSA Moonlander MKI keyboard and ErgoDox EZ comparison – Ben Frain
GitHub - tzarc/djinn: Djinn Split Keyboard
Freestyle Edge RGB Split Keyboard - Walmart.com
Dygma - The best ergonomic split keyboards
Split keyboard database
Amazon.com: Mistel MD600RGB v3 60% Split Mechanical Keyboard, Two Tone PBT Double Shot Keycaps, Programmable Macro Support, USB to Type-C, Windows and Mac OS, Cherry MX Blue Switch : Health & Household