http://www.filehelpers.net
The FileHelpers are an easy to use .NET library written in C#. Is designed to read/write data from flat files with fixed length or delimited records (CSV). Also has support to import/export data from different data storages (Excel, Access, SqlServer)
Code on GitHub: https://github.com/MarcosMeli/FileHelpers
ID3.NET is a set of libraries for reading, modifying and writing ID3 and Lyrics3 tags in MP3 audio files.
The core library is a portable class library compatible with the .NET Framework 4 and higher, Silverlight 4 and higher, Windows Phone 7.5 and .NET for Metro style apps. It also contains non-portable libraries that provide additional platform-specific support.
ID3.NET also provides an extensible metadata discovery framework that can discover specific ID3 frame data (like album art,...
JMicroscope is a library and framework for mobile enterprise applications based on the Java 2 Micro Edition (J2ME). It provides commonly required features (MVC,RPC,DAO) for mobile applications which act as clients to java enterprise applications (J2EE).