To save videos from WhatsApp, open the video and tap the save options like "three dots" or "share." Enable auto-download in WhatsApp settings to automatically save videos to your phone's Photos app.
WhatsApp is working on a file-sharing feature that doesn’t require an active internet connection. The feature is currently in development and will let users share encrypted files with others nearby.
Open-source might not be the first thing you think of with Windows, but these free tools can seriously boost your productivity.