- Cosmos enables custom keyboard design by scanning hands via phone camera and fitting keyboard to the scan.
- Supports customization with trackballs, trackpads, encoders, OLED displays, various switches, keycaps, and microcontrollers.
- Offers assembly services, DIY options, specialized PCBs, and multiple case types with error-checking and auto-fixing features.
- Includes first-class support for single-key PCBs, per-key RGB, hotswap sockets, and budget-friendly options.
- Exports models to STLs for 3D printing or STEP for CAD modifications, with 95% open-source code and Pro features for sustainability.