Nextcloud Talk is a messaging and video conference application for Nextcloud. As Nextcloud is self-hosted, your communication data is protected better compared to platforms such as Slack or Microsoft Teams.
Web page: nextcloud.com/talk
PDF (Portable Document Format) is a commonly used document format created by Adobe. Creating a PDF of a keyboard shortcut list may make it easier to print, quicker to open, and view offline. The PDF output is also without any ads, it's just the basic list presented in two or three columns.
Printing notice: Please consider environmental effect before printing on a paper.