Safari

When no website is open, display a clear Search or Enter Site call to action on the Navigation bar.

Google Docs

Commenting levels, from whole commenting to specific.

Google Drive

The way content is nested: folders > files > share/comment. My files or shared with me.

Framer

Pages organization on the left that can have subpages. Publish together with the link.

Figma

How Layout is organized in general /Content organization of projects in your workspace

Notion

Search logic (with recents) and giving container context

Spotify

Different search levels

Word

How comments are attached to different levels of content from whole page to specific content.

Circle

General layout of the interface and how the concept of "spaces" is organized

Moodle

Moodle
The tool Xavi shared it is very used on the academics.

Instructure

The tool Xavi shared it is very used on the academics.

Patreon

https://www.patreon.com/

Interesting in terms of arcuitecture. Very clean, very straight forward. Great balance of white space.

Editor mode. Really cool the options on top to add Vídeo, image...
They do create in place as Notion does. It is always there at the end of the page. I think we can use it to add image, link or whatever, secondary creation.

Obsidian

https://obsidian.md/
This was suggested by a user. I feel is very chaotic to navigate, at a first glance I wouldn't take it as an inspiration.