Alerts in Windows

In Windows to monitor and setup alerts like low disk space, hardware failure, application crash you can use Task Scheduler and change Begin Task field to On an event and choose System in Log and specify event ID for the event you are looking for to send email.

Desktop Sharing Cross Platform

Google Chrome browser has an add-on in its store called Chrome Remote Desktop. This is a cross platform desktop sharing tool. It will be helpful and all you need is Chrome and the add-on to share and view the desktop.

Office Mix Plugin

Microsoft Office has a plugin Mix which is free and it is very helpful in export powerpoint to video, add audio for narration. You can download it from here https://mix.office.com/