A free (under the GNU General Public License) toolkit for the development of document image recognition systems.
Features:
Custom dictionaries may be created to assist with analysis of specific record types
Extensible functionality
Optical character recognition (OCR) toolkit plugin
Comments
Gamera was mentioned in the following abstracts available in XML format https://raw.githubusercontent.com/lehkost/ToolXtractor/master/data/xml/2019/THOMAE_Martha_Eladia_Taking_Digital_Humanities_to_Guatemala_.xml;
https://raw.githubusercontent.com/lehkost/ToolXtractor/master/data/xml/2019/VIGLIENSONI_Gabriel_Overcoming_the_Challenges_of_Optical_Mus.xml