Snapz Pro X is described as 'allows you to effortlessly record anything on your screen, saving it as a QuickTime® movie or screenshot that can be e-mailed, put up on the web, or passed around however you want' and is an app in the Photos & Graphics category. There are more than 50 alternatives to Snapz Pro X for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and Google Chrome. The best alternative is Greenshot, which is both free and Open Source. Other great apps like Snapz Pro X are SimpleScreenRecorder (Free, Open Source), Camtasia Studio (Paid), Bandicam Screen Recorder (Freemium) and VokoscreenNG (Free, Open Source).
SimpleScreenRecorder is a Linux screen recorder that supports X11 and OpenGL. It is easy to use, feature-rich, and has a Qt-based graphical user interface. It can record the entire screen or part of it, or record OpenGL applications directly.
Produce videos for the web using the industry-leading H.264 format. No tweaks or technospeak, just sparkling HD-quality video with compact file sizes...every single time. Two existing production presets (blog and web) and three new presets (YouTube, HD display, and Screencast.
Bandicam is a lightweight screen recorder for Windows that can capture anything on your PC screen. Also, it makes it possible to record a certain area on a PC screen, or capture a game that uses the DirectX/OpenGL/Vulkan graphic technologies.
Spectacle is a simple application for capturing desktop screenshots. It can capture images of the entire desktop, a single monitor, the currently active window, the window currently under the mouse, or a rectangular region of the screen.