Tomorrow I'm flying to Krakow with my partner, and on every trip we take, we always hit the same wall: dozens of WhatsApp messages (mostly memes), PDFs scattered in the gallery, and standing on the street arguing about where to eat because the place we found on Maps is closed. ​I work in software development, so I decided to scratch my own itch and built a tool called Trively to centralize everything for the group. ​I focused on a few core things: ​Real-time sync: If someone adds a museum,...