Document .Net» gives you API to do everything with a document in PDF, DOCX, RTF, HTML and Text formats.

Allows to Create, Load, Edit, Merge, Sign digitally, Convert and a lot of actions with a document.
Single DOM (Document Object Model) for all formats.
Manipulate with Sections, Paragraphs, Tables, Lists, Text, Forms and Fields, Shapes, Pictures, Formatting, Document Properties, etc.
Requires only .NET Framework or .NET Core.
Absolutely standalone, 100% managed C# assembly.

GemBox.Email is a .NET component that enables you to read, write, receive, and send emails from your .NET applications using one simple API. With GemBox.Email you get a fast and reliable component that’s easy to use. It requires only the .NET framework, so you can deploy your application easily without having to think about other licenses.

With FastReport.Net, you can create application-independent .Net reports. In other words, FastReport.Net can be used as a standalone reporting tool.

Includes powerful visual report designer for creating and modifying the reports. Your application can run the designer from the code.
Includes online report designer for ASP.Net (only in Enterprise edition)
Connect to any database, use any of its tables or create queries
Add dialogue form(s) to your report to prompt for parameters before running a report
Using built-in script you can manage the interactions with dialogue form controls and perform complex data handling
Finally, view the result and print or export it to many common document formats

With FastReport.Net, you can create application-independent .Net reports. In other words, FastReport.Net can be used as a standalone reporting tool.

Includes powerful visual report designer for creating and modifying the reports. Your application can run the designer from the code.
Includes online report designer for ASP.Net (only in Enterprise edition)
Connect to any database, use any of its tables or create queries
Add dialogue form(s) to your report to prompt for parameters before running a report
Using built-in script you can manage the interactions with dialogue form controls and perform complex data handling
Finally, view the result and print or export it to many common document formats

With FastReport.Net, you can create application-independent .Net reports. In other words, FastReport.Net can be used as a standalone reporting tool.

Includes powerful visual report designer for creating and modifying the reports. Your application can run the designer from the code.
Includes online report designer for ASP.Net (only in Enterprise edition)
Connect to any database, use any of its tables or create queries
Add dialogue form(s) to your report to prompt for parameters before running a report
Using built-in script you can manage the interactions with dialogue form controls and perform complex data handling
Finally, view the result and print or export it to many common document formats

DISQLite3 implements a self-contained, embeddable, zero-configuration SQL database engine for Delphi (Embarcadero / CodeGear / Borland).

StyleControls is a stable, powerful package (more than 100 components), which uses Classic drawing, system Themes, GDI+ and VCL Styles. This package contains the unique solutions to extend standard VCL controls and also has many unique, advanced controls to create modern applications (UWP design). Also with this package you can really improve applying and using of VCL Styles in your application.

Read, write, merge and split PDF files, or execute low-level object manipulations — all from one easy interface. GemBox.Pdf is a .NET component that enables developers to read, write, merge and split PDF files or execute low-level object manipulations from .NET applications in a simple and efficient way. If you want to create complex PDF documents, use GemBox.Document, GemBox.Spreadsheet, and GemBox.Presentation, which all have PDF exporting capability.

Apitron PDF Kit is a .NET component that allows you to do whatever you want with PDF files. Add text, images, drawings, sign documents and much more. You can also edit existing content using its friendly and easy to use API. It’s 100% managed, has no third party dependencies and compatible with any .NET framework version currently in long-term support by Microsoft and has simple and transparent royalty-free licensing model. Use you favourite .NET language, C#, VB.NET or other to integrate PDF processing into your web, mobile or desktop applications.

Wisej provides a platform and set of tools designed to ease the burden of developing, testing, deploying, and maintaining complex business software. It bridges the gap between traditional WinForms-style desktop applications and the web by empowering developers to leverage their existing .NET and C# skills. Developers are able to use the tools they are familiar with, like a pixel-perfect design surface and drag-and-drop controls with the languages they are comfortable with (C# or VB.NET) to build real-time web applications without having to learn HTML, CSS, or jаvascript. They can stay in their favorite IDE like Visual Studio to take advantage of features like IntelliSense, integrated debugging, design surfaces and source control integration. Front-end developers can leverage their knowledge of web technologies to augment applications and seamlessly integrate third-party packages like HTML5 charting libraries and ASP.NET controls.