Lanap BotDetect ASP.NET CAPTCHA is a website security solution designed to prevent automated registrations (spambot) with CAPTCHA image. While the code cannot be read by machine (computer program), it is easily read by a human. Key features: generates CAPTCHA image with textual code rendered in it, many different algorithms, custom size, server side component. 'Developer Edition' includes SOURCE CODE and ROYALTY FREE distribution rights!

Fast .NET ZIP zip component. 100% Managed code, written in C#. Features: 100% PKZIP 2.x compatible; Transaction system; Streaming support; Progress indication; Many demos in C#, VB.NET and Delphi; .NET 1.1 and .NET 2.0 versions; Full source code is available.

Polar SpellChecker Component adds a professional spell-checking capability to your Windows-based application supporting ActiveX/COM, DLL and .NET interface.

Polar SpellChecker Component includes 14 dictionaries which are free to download and are fully functional with the trial version.

Full source code comes with the component - at no extra cost!
Source code is valuable both for further customization as well as for security reasons.

RTF-2-HTML v5 is a stand alone COM component that Converts RTF to HTML and HTML to RTF perfectly.
It is very easy to integrate into your existing applications or web sites
Full Royalty free distribution
Fanatical 24/7 technical support for all customers

Available as a COM Dll with full source code

Converts and links to embedded images, saves as 100% lossless PNG or JPG

Massively customisable such that you get output that suits you.

TX Text Control .NET Standard is a royalty-free word processing control that offers developers a broad range of word processing features in one reusable component.

Smart date picker comes with many convenient features and has a very sophisticated formatting mechanism, Advanced JavaScript API and Event Model.
For the end-user, Smart date picker is easy to use, and for the developer it is easy to implement. In the other hand, its smart features like Globalization, Special Dates, Min/max date and Footer free text give the developer powerful tools to create complex web application.
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A powerful messageboard solution for any ASP.NET website. A discussion board ASP.NET component which can be installed in seconds. This ASP.NET forum is datasource independent (Access/SQL-server), supports user profiles and registration, private messaging, online administration, email notifications engine, RSS-feeds, compatible with both NET 1.1 and 2.0, it is cross-browser and more. Source code license available. Free edition available.

OLAP ModelKit is the first OLAP component for .NET written in C# and containing managed code. This component is remarkable for a XP Themed appearance and the ability to use any .NET data sources. The flexibility of the product is additionally extended by the ability to present data with the help of any third party component, especially this relates to the third party chart components. Distribution of OLAP ModelKit is royalty free. Try it free!

This component helps you to manipulate EXIF, IPTC and GPS information in JPEG and TIFF images plus known RAW formats (Canon CRW, Adobe DNG, Canon CR2, Fujifilm RAF, Minolta MRW, Nikon NEF, Pentax PEF, Sony ARW and Sony SR2). You can Change/Read/Write ALL EXIF or IPTC fields in JPEG images. There are examples in VB, .Net, script languages ASP, ASPX, PHP, Python. Free evaluation version available.

PlotLab is a set of .NET 2.0 components for very easy and fast Data Visualization. The library includes: Scope - scientific chart component for plotting multi-channel data. Waterfall - data plotting component, especially suitable for FFT results. The components allow zooming, navigation, direct printing, clipboard copy, save to file and more. Optimized for very fast data plotting, and support multithreading. Free for non-commercial use.

GdViewer Pro OCX is a low cost and royaltee free Image Viewer Activex control that supports a lot of image format like bmp, tif, jpg, wmf, gif, ico, png, pdf... It can be used from any 32-bit Windows development environment that can call ActiveX components (Access, Visual C++ , Visual Basic , Visual Foxpro, Delphi, .Net, MS Access, Windev, etc...) You can view, zoom, print, rotate, Define Display Area, zoom on area, play animated gif...

GdViewer OCX is a low cost and royaltee free Image Viewer Activex control that supports a lot of image format like bmp, tif, jpg, wmf, gif, ico, png, pdf... It can be used from any 32-bit Windows development environment that can call ActiveX components (Access, Visual C++ , Visual Basic , Visual Foxpro, Delphi, .Net, MS Access, Windev, etc...) With Gdviewer you can view, zoom, print, rotate, Define Display Area, zoom on area, play animated gif...

Super 2d/3d Graph Library is probably the best .NET charting component for most users: 39$ or 55$ (lite or premium edition), royalty-free, free email support, same component for web and winforms applications, high degree of personalization, more than 30 different chart styles (2D/3D), advanced features such as chart combos, ClearType support, antialiasing, high resolution rendering (eg. 300 dpi), additional calculations, and more!

Serial Port Control is an inexpensive royalty-free component. You can use it with any development environment, such as VB, VB .Net, VC++, C#, Delphi, etc. Just put it on a form and vou've got all the functionality you need to access an RS232 port. The event driven architecture makes it a snap to use. Just define a function in your program and it will be triggered automatically when new data is available through the port.