Knowledge Management

Good for zettelkasten notes

Documize is free for up to 10 users, it unifies docs, wiki, reporting and dashboards. The core is open-source and built with Golang + EmberJS.

It's the best solution for collecting in one place from all different sources and retrieving it from any platform available. Noone does this with less friction than Evernote.

User friendly tool for Windows that can automatically generate documentation from code, the newest version also has support for YouTube video's.