Is there a service for reporting on the work done?

Question

Project management

Is there a service in nature where you can upload technical specifications and write comments on the points, done here, questions here, not done here?
Freelancing level, nothing supernatural.

Answer 1

Google docs
or office online

Answer 2

jira, asana

Answer 3

text collaboration services

Answer 4

You can on google docs. And texts like TK can be commented on and designs in the form of pictures. Conveniently

Answer 5

Google docs
Or simple CRM with tasks.