Actipro Software
Actipro Software, founded in 1999, is a privately-held provider of software components for the Microsoft .NET platform. Based in Cleveland, OH, USA, their focus is on delivering quality user interface software components that customers can trust to add robust functionality to their applications. They have been developing Windows Forms components since .NET was first released, and have become a leading provider of Windows Presentation Foundation (WPF) components.
AlterNET Software
AlterNET Software provides best-in-class .NET UI controls and frameworks for code editing, scripting, UI designing, and developing cross-platform UI applications. They focus on delivering leading-edge software development products, expert level technical support, and custom development/integration services.
AlterNET Software was founded in 2016 in Sydney, Australia. Over several years they have been developing products and solutions for extending .NET applications with code editing, scripting, user interface designing capabilities and cross-platform user interfaces.