Microsoft Teams
Post portal activity to the Teams channel for each client project.
Turn a client email into a portal comment with one click from the Gmail sidebar.
Some clients will always reply by email. The Gmail add-on lets you move that email into the right portal as a comment, attached to the version it's about, so the feedback isn't lost in your inbox.
Attachments come along too and show up as files in the project.
Post portal activity to the Teams channel for each client project.
Get approvals, comments and payments as Slack messages – and approve right from the thread.
Attach call recordings to the project timeline and share the summary with the client.