Tesseract - Tesseract is an optical character recognition engine for various operating systems
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
Onlineocr.net - Free Online OCR service allows you to convert PDF document to MS Word file, scanned images to editable text formats and extract text from JPEG/TIFF/BMP files
QGIS - QGIS is a desktop geographic information system, or GIS.
ABBYY FineReader - ABBYY's latest PDF editor software, FineReader 16 you can easily convert files like PDF to Excel, PDF to Word, edit, share, collaborate & more with this PDF editor!
OpenStreetMap - OpenStreetMap is a map of the world, created by people like you and free to use under an open license.