Calvin’s project collection
I’m Calvin. I turn curiosity into practical experiments with technology, data and AI. Explore what I’ve been building.
Built with curiosity. Accelerated by AI.
Beautiful scans. Just yours.
Clean up document photos, correct perspective and combine scans into a PDF — all in your browser.
Your images are processed on your device, with no document uploads.
A little support, before the slip.
Explore how an AI partner could help teachers spot students beginning to struggle and follow up on support.
Proof of concept with fictional data. Teachers make the decisions.
See Singapore’s plans in a new light.
Discover changes in Singapore’s land use and plot ratios between the 2019 and 2025 Master Plans.
Independent open-data analysis. Research leads, not development entitlements.
A little about me
I’m Calvin Y.S. Tee, a technology and data transformation leader based in Singapore, with a background in logistics, transport and supply chain. These independent projects are where I explore ideas beyond my day job. I share the lessons and work in progress on LinkedIn.