htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
Plot Digitizer - All-in-One Tool to Extract Data from Graphs, Plots & Images
Process Explorer - The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'l…
WebPlotDigitizer - WebPlotDigitizer - Web based tool to extract numerical data from plots, images and maps.
nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...
Engauge Digitizer - This open source, digitizing software converts an image file showing a graph or map, into numbers.