Interactive Personal GIS Route Map

I want a lightweight, browser-based GIS map that helps me plan my own trips. The core requirement is straightforward: I must be able to plot a route and see my chosen Points of Interest (POI) along the way... (Budget: $2 - $8 USD, Jobs: Cartography & Maps, CSS, Frontend Development, Geolocation, GeoServer, Geospatial, HTML, JavaScript, Web Development)