Xceed Zip for .NET is a 100% managed data compression and all-purpose file manipulation class library for .NET. It provides flexible zip, unzip, streaming compression, split and spanned zip as well as the ability to create customized self-extracting zip files. It works with an innovative filesystem object model that makes zip files as easy to work with as regular files and folders.

Type Browser is to be used for any public type from .NET Framework Class Library (FCL) browsing.

It shows:
- types by category (Enum, Class, Interface,...) in the assemblies
- their members by category (Fields, Methods, Properties, Operators,...)
- members' description and attributes
and can:
- switch into members' and base type
- save types in the favorites
- assign filters by base class, namespaces
- find out type in the assemblies

The Spire.flash is Free Flash Component, which allows
you to create Macromedia Flash (SWF) files from your application.

Olvio.Ecommerce is a payment processing class library for the Authorize.Net payment gateway. It includes all the latest features, SIM and AIM integration methods, CC and ECHECK processing, hash validation, response stream reader and more. Includes a SimResponseReader class to handle the silent posting from a SIM transaction. It can validate and process transactions for the Wells Fargo merchants. Fully written in C#.

MegaPipe .Net Compact Framework Class Library is a reliable and powerful 100% managed code component for handling serial communication and file-transfer (XModem Checksum, XModem CRC, XModem 1K, YModem, YModem-G, ZModem and Kermit). It supports Pocket PC and Windows CE and can be used in VB.Net and C#.Net.

Bridges the Gap between XML and Code (C++,C#,Java,VB6,VB.Net). Generates a class library based on an XML Schema (XSD, XDR or DTD). The resulting library makes it simple to read and write XML documents programmatically. Drastically cutting time spent developing and testing. Because the class library is strongly typed you can also make use of intellisense. The library forces compliance to the schema resulting in valid XML every time.

A digital audio processing .NET class library that lets developers create their own sound filters or use the ones implemented by the author, such as Gain, Delay, and Reverb, as well as the ability to read and write .WAV files. The library tries to be as systematic as possible; most classes inherit from the SoundObj class. It is not a strong-named assembly so it can?t be registered in the Global Assembly Cache. It is not marked as CLS compliant.

Would you like to know how to create MySQL client applications using Visual C++ with MySQL++ class library?

What is MySQL? The MySQL database server is the world's most popular open source database. Its MySQL++ C++ class library allows you to easily create clients that accesses the database, either on a local computer, LAN or the Internet.

If you are looking for a full example source code for a complete MFC C++ program that uses the MySQL++

Popular XML parser for C#, VB.NET, and ASP.NET

Smilla?s .NET Communication Library is a small network protocol library for use with .NET Framework languages. The class library of Microsoft?s .NET Framework does not support certain common communication protocols, such as NNTP and POP3. Developers can use this library to add NNTP protocol support to their applications. The library is written in C#. It is distributed under the GNU Lesser General Public License.

mCore .NET SMS Library - PRO is a powerful and easy to use .NET Class Library, written in 100% managed code, for for 2-Way SMS, WAP Push, vCard/vCalendar. It can be used with any ETSI 07.05 compliant GSM modem or phone handset connected to the PC serial port using a data cable, Infrared device, Bluetooth etc. It can send/receive SMS in English as well as applications that require to send receive SMS in local languages (Unicode)

mCore .NET SMS Library - LITE is a powerful and easy to use .NET Class Library written in 100% managed code. It can be used with any ETSI 07.05 compliant GSM modem or phone handset connected to the PC serial port using a data cable, Infrared device, Bluetooth etc. It can be used for developing .NET applications that require to send/receive SMS in English as well as applications that require to send receive SMS in local languages (Unicode)