Sigmund uses the same technology as ChatGPT+ and Claude, and is just as smart. But you pay less and keep full control of your data. Subscribe now! 🦾❤️‍🔥🔐

Donate

With a donation you help to keep OpenSesame an active and innovative project! We use donations, among other things, to:

Reimburse volunteers for their expenses
Buy equipment for testing and development
Pay for webhosting

Good software needs aware developers! Helps us stay sharp and buy us a coffee!

For large donations or sponsorship contracts, please contact: s.mathot@cogsci.nl