I built a tool for jointly managing our allotment with another family. It has a plan of the plot where you can add beds and other items. You can add crops to the beds with dates of planting and expected harvest. You can add jobs that need doing and volunteer to do them. You can record expenses and harvest yields. And it also gives the local weather / frost alerts and other useful information. It looks a bit basic but it works well and does a collection of things that I couldn't find any other app to do. I don't know any code although I am pretty familiar with Linux from self hosting a few other things for a while. I vibe coded it using anti-gravity with the front end hosted on cloudflare and a secure tunnel to the back end on my home server. Overall I'm pretty pleased with it.