MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
C# library for easy integration with the API of 2captcha captcha solving service to bypass recaptcha, funcaptcha, geetest and solve any other captchas.
pdfOCR is an iText add-on to recognize and extract text in scanned documents and images. It can also convert them into fully ISO-compliant PDF or PDF/A-3u files that are accessible, searchable, and suitable for archiving