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.
JetBrains
JetBrains is a technology-leading software development firm specializing in the creation of intelligent, productivity-enhancing software. ComponentSource is in the highest level of the JetBrains partner program, a Premium Reseller, reselling the JetBrains product range worldwide.
JetBrains is widely known for its innovative, award-winning Java integrated development environment, IntelliJ IDEA, ReSharper developer productivity extension and dotTrace profiler for .NET developers, TeamCity -- a continuous integration and build management environment, RubyMine -- a Ruby and Rails IDE and others. JetBrains maintains its headquarters in Prague, Czech Republic, with its R&D labs located in Amsterdam, The Netherlands, Berlin, Germany and Boston, Massachusetts.
RemObjects Software
RemObjects Software concentrates on developing state-of-the-art solutions that form the foundation of your software applications. RemObjects Software is a software development company offering tools and libraries for software developers on a variety of platforms. Their core products are centered around the Microsoft .NET, Apple Xcode and Embarcadero Delphi development platforms, but their central vision is to provide best-of-breed solutions for developers everywhere, and they are constantly looking at additional platforms, in particular for the RemObjects SDK/Data Abstract suite of products.