ComponentSpot

SharpZipLib is a free, open-source compression library for .NET, supporting Zip, Gzip, Tar, and Bzip2, as well as computing checksums. The software is limited in Zip file splitting/spanning, custom self-extracting Zip files, and reading/writing to memory.

This software adds Office XP-style UI controls to MFC applications with flat, non-3D design and water-color effect. The controls do not have raised edges, do not appear pushed in when clicked and are not shadowed, except for menus.

Lumisoft UI Controls 0.11 is a Windows Forms app tool that offers a range of basic flat controls. Although the controls can be configured through the VS.NET Property tab, there is no advanced WYSIWYG design-time support or databinding feature, making it buggy.

A .NET audio processing library allows developers to produce and apply audio filters, including Gain, Delay, and Reverb or use pre-installed ones. It also offers read and write support for .WAV files.

KCommon FTP component enables .NET developers to create applications for FTP file transfer. It offers both synchronous and asynchronous transfer modes, supports passive mode but not the active one. It is developed in C# but doesn't support proxies.

FreeTextBox is an ASP.NET control that offers a user-friendly, WYSIWYG HTML editing environment for website visitors. It enables users to format their text with ease, thanks to the numerous customization options and clickable buttons available on the control. FreeTextBox is coded in C#.

Bossware's SMTPClient is a lightweight .NET SMTP client that enables users to add outgoing email functionality to their applications and websites. It is designed to reduce resource consumption, unlike System.Web.Mail which relies on CDONTS and CDOSYS. The software is written in 100% managed C# and is CLS compliant.

Smilla's .NET Communication Library enables developers to add NNTP to their .NET applications, solving the .NET Framework's limited network protocol support. The library is coded in C# and freely available under the GNU Lesser General Public License.