WebPlotDigitizer is recommended for researchers, scientists, data analysts, and students who frequently need to extract data from published graphs and charts. It is particularly useful in fields such as biology, engineering, physics, and any other areas where visual data needs to be quantitatively analyzed.
OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
Plot Digitizer - All-in-One Tool to Extract Data from Graphs, Plots & Images
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
GraphClick - GraphClick is a graph digitizer shareware for Mac OS X which allows to automatically retrieve the original (x,y)-data from the image of a scanned graphor fom QuickTime movies.
Monitornator - Server monitoring made simple
DigitizeIt - Sometimes it is necessary to extract data values from graphs, e.g.