GroupDocs
GroupDocs creates easy to use, comprehensive online document management APIs for .NET, Java and Cloud, as well as a range of Cloud apps that improve document collaboration for organizations of any size. GroupDocs saves developers and end users time and money by offering a complete and powerful set of document management APIs allowing users to view, sign, annotate, compare, convert and assemble documents in a wide variety of formats, including Microsoft Word, Excel, PowerPoint and Visio, as well as Adobe Acrobat PDF and many image formats. Flexible workflows and easy-to-use, customizable user interfaces are part of the package.
Rebex
The Rebex mission is to provide top quality components for .NET developers (https://www.rebex.net) and a Lightweight SFTP / SCP / SSH Server for Windows (https://www.rebex.net/buru-sftp-server/). Rebex has been creating and selling .NET components worldwide since 2002. They have been developing software for .NET platform since the first public beta version of .NET. Rebex is located in Prague, Czech Republic. Their company also provides software development and outsourcing services for system integrators in the Czech Republic.
DLSC
DLSC is a Java user interface framework provider located in Zurich, Switzerland. Their product catalog currently includes two libraries for creating Gantt charts for Swing and JavaFX. A third framework allows developers to embed a sophisticated calendar solution into their JavaFX applications.
Blazorise
Blazorise (Megabit) is a European software development company situated in Croatia. It produces UI components for Blazor, C#, and Visual Studio developers. Blazorise .NET, and Blazor UI components are the company's most popular products, designed to operate with almost any CSS framework, including Bootstrap, Bulma, Material, AntDesign, and others.