This ByteScout Visual Basic SDK allows developers to add PDF text recognition to applications. Large text loads are supported. This service is subscription based or can be integrated with applications.
Late last week Google announced the release of version 3.0 of their Google Documents List Data API. This latest release addresses several feature requests filed by developers and also aims to improve speed and stability of the API itself (our Documents List Data API Profile). The most notable detail in this release is the ability to upload and download files in PDF.