The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

Best "simple" screen capturing app (Mac and Windows) because it creates animated gifs that attach to bugs easily. Simple because it works a lot like snippy to capture screen areas

Checks web UI for browser compatibility (Compliance with Can I Use?)

Clipboard manager that allows you to keep several things on your clipboard. Functionality was also added to windows by default (WIN+V)!

For those more detailed screen recordings like demos as well as bugs. Has a built in editor.

Monosnap screenshot tool for Mac and PC with own cloud storage. Take screenshots, record videos and upload files directly to the cloud. Just in one click.