Hello, author here !
Other interesting builds or projects going on in the french amateur telescope maker community :
- Sunscan, by the STAROS team : a fully integrated open-source solar imaging kit : https://www.sunscan.net/fr
- Eric Royer's binocular 24" dobson : http://www.astrosurf.com/topic/124758-bino600/
- The Slim400 by Laurent Bourrasseau : https://www.cloudynights.com/forums/topic/920950-the-slim400/
- Astrowl, an electronically enhanced astronomy kit : http://www.astrosurf.com/topic/151807-projet-astrowl-de-visuel-assist%C3%A9/
- The smallest, an open-source 6" portable dobson : http://www.astrosurf.com/topic/176898-un-dobson-150-f5-facile-%C3%A0-imprimer-et-assez-compact/
- A dedicated astrophotography power supply : https://github.com/Antiath/Open-Power-Box-XXL
Of course there are many others but those are the one on the top of my head now replies(3):