Niek Jansen

Niek Jansen

I build AI tech I actually want to use
All activity
Tug of Math turns math practice into a fast-paced team battle. Students solve problems to pull the rope in their direction, boosting engagement, focus, and participation. Built for classrooms and interactive whiteboards, with ready-to-use problem sets so teachers can start instantly.
Tug of Math
Tug of MathFree Tug of War Math Game for Interactive Whiteboards
Pulser is a free macOS menubar app that watches your AI coding agents and notifies you the moment they need input. Stop checking terminals, tabs, and chats. Stay focused, reduce context switching, and ship faster.
Pulser
PulserKnow exactly when your AI needs you
Discover your AI personality, your conversation habits, and the hidden patterns in how you use ChatGPT. GPT Rewind turns your entire chat history into a personal “AI Wrapped” with analytics, badges, deep-dive insights, and shareable cards. Everything is processed privately, deleted after analysis, and delivered in seconds. Fast, fun, and free to try.
GPT Rewind
GPT RewindYour ChatGPT year in review