ExoMy is a fully 3D-printed rover inspired by ExoMars. ExoMy's hardware and software is fully open source and extensive building and assembly instructions are available for the rover. Customizable. Six wheels, adaptive suspension. Can be remotely controlled.
Github: https://github.com/esa-prl/ExoMy
open-source-rover - A build-it-yourself, 6-wheel rover based on the rovers on Mars!