Tesseract - Tesseract is an optical character recognition engine for various operating systems
TravelPerk - Corporate Travel Management
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
TravelBank - A modern travel, expense, and rewards app for SMBs.
Prizmo - Prizmo is a scanning application for Mac with Optical Character Recognition (OCR) in over 40 languages with powerful editing capability, text-to-speech, and iCloud support.
Egencia - Egencia is a corporate travel management system.