Royalty free .NET Charting, Spellchecking, PDF controls and more!

Software Siglo XXI is a software factory specialized in components and utilities for .NET platform. All our products are royalty-free. You don't have to pay anything else to redistribute your application that includes our libraries/controls.

When you purchase a license of our components, you get these rights for your projects:
Unlimited Windows applications
Unlimited Web Sites
Unlimited Deployments (royalty-free!)
No additional charges
No hidden fees
Minimum of 6 months of free responsive email support
Minimum of 6 months of free minor updates
Source code option available!

Customer Quotes

  I really like your software (price / functionality) and have already recommended to some of my engineers to use it for our machine vision applications when we need a low-cost / high-performance graphing solution. I think you provide useful examples and the support is very good...   
-- Scott Montgomery

  "I think your product is excellent, easy to use in .net or web development and very good price, I'm really happy with your product...   
-- D. Ochoa (MachView)

more testimonials...

News & Events

Super Pdf2Image Converter 1.5.1

64 bit CPU and password protected files support!
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Super 2D/3D Graph Library 14.5

Improved rendering speed, new selection functionality and horizontal scroll bar support!
Try it now!...


Super 2D/3D Graph Library 14.4

Improved 3D charts - axis direction, zoom & rotation!
Try it now!...



Contact Info

Feel free to contact us
for questions related to any of our products or custom .Net development. We usually respond in the same labor day.

Software Siglo XXI

Main support service:

Sales and other enquiries: