Haystack Search - Haystack helps you make the most of your time, by searching all your files and documents in the cloud in one place. It's been built for privacy from the ground up, so your data isn't stored on a server, just your computer.
Tesseract - Tesseract is an optical character recognition engine for various operating systems
MailJack+ - Send PDFs as postal mail
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!
Paperkit - Create and download custom graph, lined, or dot grid paper
Google Lens - Discover information about something by taking a photo