Hprose is a High Performance Remote Object Service Engine. It is a modern, lightweight, cross-language, cross-platform, object-oriented, high performance, remote dynamic communication middleware. Oh means Open Hprose.

Oh is very easy to learn and use. and powerful. You only need a little time to study, then you can use it to easily construct cross language cross platform distributed application system.

Oh supports many programming languages, for example:

* C++
* .NET(C#, Visual Basic...)
* Java
* Delphi/Free Pascal
* Objective-C
* ActionScript
* JavaScript
* Python
* Ruby
* PHP
* ASP
* Perl
* ...

Through Oh, You can conveniently and efficiently intercommunicate between those programming languages.

Oh is free software, available with full source. it released under the GPL or the MIT License for non-commercial software. Commercial licenses are available for customers who wish to use Hprose for commercial software.