Growing Gekko to be the best accounting solution for freelancers in NL/Benelux or even Europe: www.getgekko.com
Building a very Simple CRM from scratch. Focussing on small companies en building relationship. Check out Qraia: www.qraia.com
Forrest and nature. Planting trees, but need more spaces.
Green Boating. Many years ago I started writing about sustainability for boats. Still very relevant. Cars and houses are becoming greener very slowly. Boats are lagging behind. www.greenboating.eu