Confluence by Atlassian has worked out great for me in the past. You can track changes, control rights to edit (and more) and take advantage of lots of features. It also integrates with other Atlassian tools. Let me know if you'd like further info or details on my past implementations.
Why don't you use Wordpress? Free plugins like s2member are available; DAP and Wishlist are great paid options. Easy to use, too.
If your concerns are around negotiating between investors and the Company, the best thing you can do is to retain a great Silicon Valley based law-firm. There are about a dozen highly reputable firms that are very startup friendly that will often defer most legal bills or charge inexpensively du...
A way that you can help your team is to communicate expectations clearly and early. This includes team meetings, how you work together, and 1-2-1s with managers to see how everything is going. It’s important that managers or team leaders have clearly communicated with their team what project mile...
This is very vague, how you spread any knowledge is largely dependent on the type of information you want to put out. I'm open to share some useful tips, especially related to Project Managent, open for a call.
1. No one can predict the future. So just let it rip. Try this thought exercise: what's the ABSOLUTE WORST THING that could happen? If your app spectacularly fails, then what? Chances are it's not much: you're out the time you invested, and maybe a little embarrassed, but life goes on and you try...