g3data is a tool for extracting data from scanned graphs. For graphs published in scientific articles the actual data is usually not explicitly given; g3data makes the process of extracting this data easy.
Web: http://github.com/pn2200/g3data/
g3data is distributed under the GNU General Public License (GPL), as described in the 'COPYING' file.
First, install the required prerequisite libraries, which are the development versions of gtk2 and glib2. On Fedora 25, these packages are gtk2-devel and glib2-devel.
Then use autoreconf to invoke the various parts of the GNU Build system: autoreconf -i
Then build: ./configure make