When comparing GKrellM vs Stacer, the Slant community recommends Stacer for most people. In the question“What are the best system monitors for Linux?” Stacer is ranked 5th while GKrellM is ranked 9th. The most important reason people chose Stacer is:
Ranked in these QuestionsQuestion Ranking
Pro Customize what to monitor
Users can easily set GKrellM to monitor what they like (depending on what monitors are supported by their PC) such as CPU usage (which can be set to monitor each core individually), as well as temperatures and fan speeds.
Pro Many available plugins
The uses of the monitor can be expanded with available plugins ranging from weather information to TIVO information.
Pro Set up alerts
Through the settings one can set alarms and warning for each monitor, which allows one to always stay informed if anything is getting above what their set limits are.
Pro Good GUI
Pro Fast and lightweight
While older versions of Stacer were built with Electron, it's now been ported to C++ and Qt, which makes it fast and light on resources.
Pro Feature rich
Stacer also lets you clean junk from your system, enable/disable startup of background services at boot time, etc.
Con Default theme is not that great looking
The theme that comes by default for GKrellM is not really appealing to the eye and sadly many of the available themes are not that much better with fuzzy text and bad color choices.