Element-IT FileMetadata .NET control provides methods to add and modify metadata for any files and folders at NTFS file system. Control uses Alternate Data Streams technology to work with metadata.

FLib is a free, open source library of high-quality Java components. It currently contains wizard and calendar components and a table layout manager.

Aspose.iCalendar is a .NET class library providing classes and algorithms useful for time-oriented Recurrence Patterns, or schedules.The latest version created better Winforms and ASP.NET demos;ect.