If you're looking for a free travel planner that lets you browse and explore others' itineraries for inspiration, Plantrips is a great pick. This AI travel planner not only offers personalized itineraries based on your preferences, but also a community-generated catalog of user-submitted itineraries you can browse for inspiration. That can be a good way to see what people liked about a destination and incorporate that into your own travel planning.
Another good option is RoutePerfect. The service uses AI to build a personalized itinerary, but it also taps into a community-sourced database of thousands of itineraries that people have tried and liked. You can browse those itineraries, explore destinations and even book flights, hotels and car rentals through partners like Expedia and Booking.com.
Guide is also worth a look, especially if you're looking for collaborative planning. You can build a personalized itinerary with real-time input from friends and family, and it's got features like estimated costs and a group chat. By combining AI with community input, Guide offers good recommendations that can save you time and hassle.