Built a tool that generates cheap multi-city flights in Europe
Kayak Explore and Google Flights flex dates already own this space completely.

Night train fare aggregator when Skyscanner and Kayak only do flights.
Budget travelers and backpackers in Europe
Skyscanner · Kayak · Trainline
Kayak Explore and Google Flights flex dates already own this space completely.
MCP server for job search when every other aggregator already has an API.
Kagi minus the AI fluff, but unproven and asking for €5/month trust.
Flight search API competing with Amadeus and Duffel on simplicity and pricing.
AI Congress simulation exposes why rational bills die—add realistic incentives, bills mysteriously fail.
Polished training UI, but Maltego and commercial CTI platforms already cover this ground.