jQWidgets provides a comprehensive solution for building professional web sites and mobile apps. It is built entirely on open standards and technologies like HTML5, CSS, jаvascript and jQuery. jQWidgets enables responsive web development and helps you create apps and websites that look beautiful on desktops, tablets and smart phones. You can use jQWidgets with TypeScript, popular frameworks like Angular 7, KnockoutJS and server-side technologies like ASP.NET MVC, PHP, JSP and Node.js

Components for viewing, navigating, text extracting and editing PDF files.
uses PDFium open-source PDF rendering engine
available for .NET 4.0 - 4.7
source code included in registered version
royalty free distribution in applications

UI controls & productivity tools for quickly building high-performance web, mobile, and desktop apps. Build high-performing, responsive web applications in jР°vascript/HTML5. Works with Angular, React, and other popular frameworks. Build Angular apps with the native Angular components in Ignite UI for Angular. Includes ASP.NET MVC server-side wrappers.

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®.

Add CAD capabilities to your .NET application with CadLib. CadLib makes it extremely easy to interface with, draw and print DWG and DXF files in C#, VB.NET or any other .NET language. This is achieved by providing the developer with a powerful, highly normalized class model, complete type safety, comprehensive documentation and sample solutions. CadLib can display DWG and DXF files in WPF, export to XAML, display using GDI+ (Windows Forms), and OpenGL. Furthermore CadLib provides converters to convert DWG and DXF files to all popular image formats as well as Pdf, PostScript and SVG. CadLib can be integrated in ASP.NET web applications.

NEW: Added support for rendering to WriteableBitmap which can be used in UWP (.NET Standard version of CadLib only)!
NEW: Added support for .NET Standard (can be used in .NET Core)!
NEW: Added support for AutoCAD 2018 DWG and DXF!
NEW: Improved OLE entity rendering!

PDFIUM.NET SDK IS THE LEADING .NET LIBRARY FOR GENERATING AND MANIPULATING FILES IN THE PORTABLE DOCUMENT FORMAT (PDF). OUR MAIN TARGET IS TO PROVIDE DEVELOPERS WITH HIGH QUALITY TOOL FOR DYNAMIC PDF CREATION ON A WEB SERVER OR ANY OTHER SERVER SYSTEM, AND TO IMPLEMENT «SAVE AS PDF» FEATURE IN EXISTING APPLICATIONS. SINCE PDFIUM.NET SDK FREES YOU FROM THE TECHNICALITIES OF THE PDF FILE FORMAT, YOU CAN FOCUS ON ACQUIRING THE DATA AND ARRANGING TEXT, GRAPHICS, AND IMAGES ON THE PAGE.

Generate, manipulate, print, render, secure, extract text, digitally sign, split and merge PDF files with just a few lines of code on Windows. Boost your development capabilities with Quick PDF Library: a powerful, developer-focused PDF SDK for adding PDF functionalities to your applications. It features over 900 functions, a robust API and it can run in both desktop and server environments.

HTML Component Library is a cross-patform and 100% native HTML rendering library for Delphi and Lazarus that brings all the power of HTML/CSS into desktop and mobile Delphi applications.

Standalone API to read, write, manipulate & convert PowerPoint files to PDF, PDF/A, XPS, TIFF, HTML, ODP and other formats. Aspose.Slides for .NET is a unique presentation processing API that enables applications to read, write, modify and convert PowerPoint presentations. Being a standalone API, It provides the functionality to manage PowerPoint key features such as managing text, shapes, tables & animations, adding audio and video to slides, previewing slides and more without requiring Microsoft PowerPoint.

Create, read, write and save Excel file formats as well as Export spreadsheets to various data sources without requiring Microsoft Excel. Aspose.Cells for .NET is an Excel Spreadsheet Programming API to speed up the spreadsheet management and processing tasks. API supports to build cross-platform applications having the ability to generate, modify, convert, render and print spreadsheets. Moreover, It does not rely on Microsoft Excel or any Microsoft Office Interop components to be installed but a robust set of APIs that deal with all Excel formats as well as CSV and SpreadsheetML formats.