Use OCR.NET component to retrieve text from image, for example from scanned paper document.
uses Tesseract OCR engine and Leptonica image processing library
available for .NET 2 - 4.7
source code included in registered version
royalty free distribution in applications

Xamarin Forms is great if you want to develop apps for different mobile platforms. But when it comes to touch gestures, it is still very limited.
For more than a year they only had the TapGestureRecognizer. Although they did add some others lately, they still don't provide all information which you need. Furthermore the API which they use has been copied from iOS and is not what a .NET developer would expect.

1CLICK DVD Copy Pro a fast, easy-to-use, full featured software for copying DVD movies onto DVD discs. The latest version now incorporates CPRxв„ў technology to ensure the highest level of success copying the latest generation of DVD movies. You now have complete control over the final copy. Use the Copy Presetsв„ў or the more advanced features to select what content will be copied and how much compression will be used. With 1CLICK DVD COPY - PRO, you can make a perfect copy with just one click.

You can find existence of your content over the web. It is for Teachers, Students, Publishers. Plagiarism is constant headache for students, teachers, web content writers, website admins, and online publishers. With the availability of resources online, the trend of copy/paste has been growing. This is not only against professional ethics but also violates copyrights, which may result in lawsuits. Therefore, everyone tries to avoid being in trouble. With Plagiarism Checker X in hand, users can avoid such problems easily. As Easy as you can Imagine! Simply paste the content (or load the document) in the software and hit analyze button. Software will check each and every sentence in all leading search engines (Google, Yahoo, and Bing). It delivers comprehensive HTML report in a short time, which you can save for your convenience or reference. A website owner can use the “check your webpages” section to check the quality of the website’s content. If that is copied or has been copied, Plagiarism Checker X will guide you to the end destinations.

PDF Anti-Copy is a PDF security utility that prevents PDF content from being copied and converted to editable formats. After processed by this tool, your important PDF content could be viewed, but will never be copied and converted to editable formats like Word, Excel and TXT.

GhostDoc is a Visual Studio extension that automatically generates XML documentation comments for methods and properties based on their type, parameters, name, and other contextual information. When generating documentation for class derived from a base class or for interface implementation (e.g. .NET Framework or your custom framework), GhostDoc will use the documentation that Microsoft or the framework vendor has already written for the base class or interface.

Syncovery is a great application used to back up data and to synchronize PCs, servers, and notebooks. Users can choose the user interface that suits them best: Wizard Mode or Advanced Mode. The settings are stored in multiple profiles, and the software comes with support for FTP and secure FTP servers, SSH, WebDAV, Amazon S3, http, partial file updating, ZIP compression, data encryption, and a scheduler for automated backups. The scheduler can run as a service without users having to log on. On Windows XP or later, locked files can be copied using the Volume Shadow Service.

Syncovery is a great application used to back up data and to synchronize PCs, servers, and notebooks. Users can choose the user interface that suits them best: Wizard Mode or Advanced Mode. The settings are stored in multiple profiles, and the software comes with support for FTP and secure FTP servers, SSH, WebDAV, Amazon S3, http, partial file updating, ZIP compression, data encryption, and a scheduler for automated backups. The scheduler can run as a service without users having to log on. On Windows XP or later, locked files can be copied using the Volume Shadow Service.

Syncovery is a great application used to back up data and to synchronize PCs, servers, and notebooks. Users can choose the user interface that suits them best: Wizard Mode or Advanced Mode. The settings are stored in multiple profiles, and the software comes with support for FTP and secure FTP servers, SSH, WebDAV, Amazon S3, http, partial file updating, ZIP compression, data encryption, and a scheduler for automated backups. The scheduler can run as a service without users having to log on. On Windows XP or later, locked files can be copied using the Volume Shadow Service.

Native access to Excel files. The user doesn't need to have Excel, or any other software installed. XLSReadWriteII uses it's own memory manager that is optimized for storing cell values. This means that you can work with larger files. If your files still not will fit in memory, there is a Direct Read and Direct Write modes that let you process files on disc. Stability. One of the major goals with XLSReadWriteII was to create a product that won't corrupt the Excel files and won't alter any data in the file. The engine that handles XLSX files is automatically built directly from the file format specifications with our special developed tool. This will ensure maximum comatibility.