Ok basically what the title ask. There are so many note taking apps available and also the good old notepad, but, how do you take notes? What do you actually take-keep notes on? Is it like complicated things or simple ones?
All time times that I started using an app or a pen and paper intended up just using a simple reminder for things. Others I just remember.
Am I weird for just using a pen and paper? I recently upgraded my setup by buying a binder and ~1000 pages so I won't have to burn through notebooks or money.
One thing that I know for sure is weird is that I use a fountain pen for it all...
Obsidian sync'd with my desktop PC, usually. Though also experimenting with doing the same with Orgro. Both on my phone. If I happen to be in front of my PC, just org-mode in emacs.
I use obsidian for just text stuff I need to remember later. If I need to do math or need a diagram temporarily I prefer pencil and paper. If I want to save diagrams for later I have a drawing tablet that I use like a whiteboard so that I can save and use layers. If you don't have a drawing tablet Autodesk sketchbook is a decent substitute that can be used on your phone.
I use a 20+ year old PDA for notes and other general productivity/organization needs. Distraction free, keeps me off my phone, and a fun conversation piece. Handy for staying on top of my ADHD.
If by transclusion you mean hyperlinks & copypasta, then yes. I’m looking at using Zotero as well. I still haven’t really gotten the hang of Emacs, never mind org-mode or org-roam. It’s a lot. Too bad I didn’t pick up Emacs decades ago instead of vi.
Notesnook at the moment. Excited that they're started supporting self-hosting. It seems immature but working well for people. I'll get round to hosting my own sync server when I have the time and maybe once self-hosting is more mature.
Complex stuff (talks, projects, brainstorming, etc): The notes get taken on paper. Some things stay there, because the act of writing them down is enough. Some things then move to my "second brain;" for personal stuff, that's currently on Notion (I'm contemplating migrating it to Obsidian or something similar). For work stuff, that's a Slack thread, or (if it's really important) Confluence.
Todos go into Google Tasks. I used to use Todoist, but I got frustrated by how inflexible the notification system was.
Shopping lists (and a few other similar lists that need to be shared) go into Google Keep.
I used to keep a text file in each project, with todo items at the top and a 'done' section at the bottom. File gets too big, start a new file.
Now I use a note taking program that stores markdown notes with links in between them. Kind of the same idea, mostly, some notes are to-do items and others are lists. I have about 10000 notes in there.
I have an entire Second Brain on OneNote organized into sections pertaining to many things. There is no tagging system. I have recently gotten into Obsidian. It is fully free and there are ways to get around the subscription to sync feature. It has tagging, uses primally markdown which I am now learning more of and so many free plugins like kanban style boards and spreadsheets. I had previously used links in OneNote to link to Google Sheets but now I will move some important info to Obsidian. Where you can link within and externally plus so many more features, and for all platforms.
An event or something I need to do on a specific time? Calendar app.
Something I need to do when I have time? The Simple Notes app has a handy widget which I havenon the phone homescreen to have it on my sight constantly to remember I have stuff that needs doing.