Microstartup studio
Independent software, built to last.
tonoïd is Simo Elalj's one-person studio, named after the French tonneau à idées, a barrel of ideas. I pull a few out, build them lean, and run them for years. No investors, no roadmap theatre, no rush.
Featured projects
All projects
For sale2007
RefurbMe
The largest Apple refurbished comparator. For sale, looking for a new owner.

Profitable2021
2sync
Two-way sync between Notion and the apps you already use.

Live2026
Immodex
Chrome extension that reveals the real address behind a French real-estate listing (Leboncoin, Bienici, SeLoger) using the public ADEME and IGN registries. Free and open source.
