Stephan Arenswald

Product Owner at day, Maker at night, Husband of 1, Dad of 2, Hiker, Climber, Traveller. Not necessarily in this order.

Projects / Products


The digital notebook for developers, and makers. Ultra fast fuzzy search. Mouse or Keyboard only navigation. Pure markdown with auto formatting and indentation. Offline.


FileFillet helps you to copy or move files to your favorite folders. Keep the overview by not having to open new Finder windows anymore.


Open source archive manager for macOS. Because essential tools should be free. Because extracting a single file should not require the full archive to be extracted.

Lemon Builder (in progress)

The drag & drop website builder for landing pages. Capture leads, accept payments, and enjoy free hosting. No subscription needed.