Tesseract - Tesseract is an optical character recognition engine for various operating systems
MAXQDA - a professional software for qualitative and mixed methods data analysis
GOCR - GOCR homepage. GOCR is an OCR (Optical Character Recognition) program, developed under the GNU Public License.
NVivo - Buy NVivo now for flexible solutions to meet your specific research and data analysis needs.
TextGrabber - Office & Productivity
QualCoder - A very complete Free and Open Source Software (FOSS) Computer-Assisted Qualitative Data Analysis Software (CAQDAS) written in Python. It works with text, images, and multimedia such as audios and videos.