Tesseract - Tesseract is an optical character recognition engine for various operating systems
Lumin PDF for G Suite - Open, edit and share PDF and Office files in your browser.
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
DocuSign - Try DocuSign's interactive signing demo now! Send yourself an electronic document to digitally sign using our e-signature service.
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!
GTasks for G Suite - Lets you to manage your Google Tasks from Docs allowing you to tackle your to-do list.