When you said hopefully to include player campaign notes, I thought of kanka. It's somewhat less feature-rich, I think, but it is potentially-free and collaborative. Source: almost 2 years ago

Our group has been using Kanka (https://kanka.io/en) for the past few years and it’s been super helpful. Source: almost 2 years ago

Some people I know have recommended kanka: https://kanka.io/en. Source: over 2 years ago

I use Kanka, I’ve found it to be excellent. A few key points: - there are loads of different page types you can create, characters, locations, organisations, items, it’s quite varied. Although you can’t make custom ones I’ve never needed to. - you can easily link to other pages within your Kanka campaign by typing and @ followed by the name of the page, so @Barry will pop up a list for you to select from your... Source: over 2 years ago

I've also heard some pretty good things about Kanka (https://kanka.io/en), though I haven't tried it myself yet. Source: over 2 years ago

Start with the playbook: https://playbook.samaltman.com/ HN0 will discourage you but eh, running my own business is the most fun (and work) I've ever had in my life. Some people have to do that Eurotrip. Some have to get into Harvard. Some want kids. And some just need to start a business. - Source: Hacker News / 11 months ago

Sam Altman - The idea can seem stupid to virtually everyone as long as it excites a few people. Source: about 1 year ago

Early-stage Startup Playbook by Sam Altman - provides a guide for new startups on how to create a product that users will love. The playbook emphasizes the importance of focusing on user satisfaction and offers advice on building a product that early users will enjoy enough to recommend to others. Source: over 1 year ago

Prefer Podcasts? Sam Altman, one of the most famous people in Silicon Valley and former head of Y Combinator, created an amazing podacst series called [Startup Playbook](https://playbook.samaltman.com/). Source: over 1 year ago

Here's a place to start: https://playbook.samaltman.com/. Source: over 1 year ago