LibXL is a library that can read and write Excel files. It doesn't require Microsoft Excel and .NET framework, combines an easy to use and powerful features. Library can be used to

Generate a new spreadsheet from scratch
Extract data from an existing spreadsheet
Edit an existing spreadsheet

‎.NET Document Viewer API to Render 90+ document formats into PDF, HTML and Image with Powerful ‎Configuration Options.‎ GroupDocs.Viewer for .NET APIs help you create powerful applications in C#, ASP.NET ‎and other .NET-based technologies, which can render and display documents and images of 90+ file ‎formats without installing any external software. The file viewer library rasterizes the documents and then converts them into SVG+HTML+CSS to optimize the overall document rendering experience for viewing business documents, images, ‎text files, diagrams, graphics, email attachments and PDF files with speed, true-text and high-fidelity inside your applications. You have the option to add document viewing and reading functionalities in your applications to display ‎whole document, partial document, specific page/cell range, individual document layer, with or ‎without annotations and comments for the supported file formats.‎

Use PostgreSQL Maestro to administer any PostgreSQL server version from 7.3 to 9.3! PostgreSQL Maestro supports last server version features such as PL/pgSQL Debugger, role system, parameter scopes, connection limits, tablespaces, changing column types, dollar-quotation, Unicode data and much more. Tune up your PostgreSQL server security policy with several mouse clicks. PostgreSQL Maestro provides you with a number of powerful GUI editors that make management of Postgres users, roles and their privileges (grants) as easy as it can be, even if you are not a skilled PostgreSQL administrator.

Powerful, extensive & flexible component suite for native Excel report & file generation & manipulation for VCL & FireMonkey. FlexCel for VCL / FireMonkey is a suite of Delphi components allowing to manipulate Excel files. It includes an extensive API allowing to natively read/write Excel files. If you need to read or create complex spreadsheets, on Windows or macOS on machines without Excel installed, Flexcel can do the job.

Aspose.HTML is a cross-platform class library that enables you to perform a wide range of HTML manipulation tasks directly within your .NET applications. Aspose.HTML supports parsing of HTML5, CSS3, SVG and HTML Canvas to construct a Document Object Model (DOM) based on the official W3C specification. Create, Read and Edit HTML documents including CSS styles as well as Render to PDF & Raster Image formats.

Aspose.CAD for .NET is a class library that enables your applications to perform a great range of drawings processing tasks. Aspose.CAD supports DXF, DWG, DGN, DWF, IFC, STL, DWT, IGES, PLT, CFF2 and other CAD formats. You can convert them to: PDF, BMP, GIF, JPG, JPEG, JPEG2000, PNG, WMF, TIFF, PSD, SVG formats. With Aspose.CAD you can generate, modify, convert, render drawings without utilizing Autodesk AutoCAD®.

Aspose.OCR for .NET is a robust optical character recognition API. Developers can easily add OCR functionalities in their applications. API is extensible, easy to use, compact and provides a simple set of classes for controlling character recognition. It supports commonly used image formats and provides functionalities like reading characters and fonts from images, bold and italic styles, noise removal filters, scanning of the whole image or any part of the image and much more.

Aspose.Diagram is a class library for working with Microsoft Visio files. It allows developers to create new diagrams and work with VSD, VSDX, VSTX, VSSX, VSS, VST, VSX, VTX, VDW and VDX files on ASP.NET web applications, web services and Windows applications. It allows you to open files and manipulate the elements of the diagram, from lines and fills, to more complex elements, and then export to VDX, VSX,VSDX,VSSX,VSTX, VTX, XPS, HTML, SVG, SWF, XAML, image or PDF formats.

Aspose.Imaging for .NET is class library offering the advanced image processing features. Developers can create, edit, draw or convert images in their own application. Image export and conversion is the one of API core feature along with its ability to save in Adobe Photoshop native formats without having Photoshop application or any other image editor installed.