SourceFormatX Source Code Formatter 

SourceFormatX is an all-purpose automatic source code formatter and beautifier for C, C++, Java, C#, Object Pascal, PHP, ASP, JSP, VB, VBNET, VBScript, JavaScript & HTC source code.
beautifier format source code source code indent c c++ java pascal c# php asp

Metaspec C# Parser Library 

Metaspec C# parser library is designed to provide the kernel for applications which require processing C# source code: refactoring, formatting, and other similar tools. C# parser is fully compliant with ECMA-334 and ECMA-335 standards.
c# parser refactoring compiler transformation standard ecma-334 ecma-335

quickdb 

Quickdb is a light database engine which resides in memory and which permits you to have a very versatile database engine for C++ programs. Quickdb does not rely on any other package, can be delivered in a dll and is compatible with XML.
quickdb xml parser database db database engine engine light c c++ dll small fast