This is a project where you take multiple inputs from the user and add them to a database of some sort. Daybook is a good example of what you're going to build. Now you can build this in many different ways. I'm going to outline the path I would personally take. As for the database, there are many options, personally, I'd go with Supabase but feel free to use whatever you are comfortable with. - Source: dev.to / over 1 year ago

I've also tried a similar journaling app called Daybook , it offers for free multi-platform auto-sync (my first concern), offline mode and a dedicated mobile app. You can add images (but with a low resolution on the free plan), but no text formatting options. It's very simple and minimal. I didn't like the fact that you can download all your entries only in csv format, which is unreadable by a human (but you can... Source: about 2 years ago

For an individual, I used to use WikidPad and quite like it. Source: about 1 year ago

There also are "serverless" wikis, like http://tiddlywiki.com/ (can be run as a standalone desktop app - see in the bottom, or Wiki on a Stick, or WikiPad. Source: about 1 year ago

Wikidpad is quite functional. It's not the prettiest but it does its job. I don't know if or how you can implement images. But it's free and maybe worth a try. Source: over 1 year ago

Is it this one? http://wikidpad.sourceforge.net/ Also is it on mobile, and does it support images? Source: almost 2 years ago

If your work is not published its very likely to be removed by a mod on Wikipedia, but when it comes to organizing your world, a personal wiki is by far the best way to do so. There are lots of tools out there, both free and premium. I would recommend doing some research on all of the suggestions in this thread and find what works for you. Wikidpad is a free desktop wiki that's super handy when you just want to... Source: almost 2 years ago