Peer To Peer Network and Black Widow - Media Desktop Software for Windows

BigSpeed Peer-to-Peer SDK
$0 - BigSpeed Computing Inc.

BigSpeed Peer-to-Peer SDK is a set of two COM components (Agent and Hub) that
lets you set up a virtual private peer-to-peer (P2P) network for secure file sharing and messaging.
The transfered data are scrambled using on-the-fly 128-bit AES encryption, without need of SSL certificates.
NAT traversal is implemented by using TCP hole-punching technology.
The security is provided in two different modes: symmetric encryption with shared secret key and
asymmetric encryption with 1024-bit public/private keys.

The hub is responsible for keeping information on and authentication of online peers.
All peers connected to a particular hub build a single private community.

Each agent acts as both a client and a server at the same time.
Fine grained access control is realized by a user-oriented permissions.
They grant access control privileges to system resources and services in a flexible and secure manner.

Two different kind of instant information can be exchanged between peers: alert and chat messages.

In addition to standard FTP operations, such as upload, download, rename, delete, etc.,
the SDK also offers several advanced features.

The broken file transfers are resumed automatically (if enabled), with MD5 integrity checking.
The agent is able to run search operation on the peers. The server module is able to perform file compression and decompression by a request from the remote client module.

There is an option to compress on-the-fly the outgoing data before encrypting,
which may reduce greatly the transfer time for large files.

BigSpeed Peer-to-Peer SDK utilizes an elegant event-driven paradigm for easy integration into Windows applications. A special attention is paid to provide responsive user interface while avoiding multithreading problems and maintaining maximum bandwidth efficiency.

Sample applications are included in VB .NET, VB 2005 and Delphi 7.

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LanToucher Network Chat
$0 - Vital Sound Laboratory

LanToucher Network Chat is small and easy-to-use chat software for your small office or home LAN (Local Area Network).

This easy-to-use LAN chat program with simple, intuitive user interface and a minimum of settings to adjust is an easy text communication solution for your small office LAN and a perfect chat application for your private home network or intranet. LanToucher? Network Chat software supports the system tray (taskbar notification area) and sound notification on new messages.

Based on peer-to-peer technology, LanToucher allows users to communicate directly with one another. No dedicated server or Internet connection is required. And it is absolutely FREE!

KEY FEATURES:

True serverless (peer-to-peer) messaging;
Proven cross-platform compatibility;
Supports All 32-bit Windows versions including Windows 95, Windows 98, Windows Millennium Edition, Windows NT 4, Windows 2000, Windows XP, Windows Server 2003, and Windows Vista operating systems;
Works over any available network transport protocol (TCP/IP, IPX/SPX, or NetBEUI)
No dedicated server or Internet connection is required;
Taskbar notification area (system tray) support;
and more...

LanToucher Network Chat is a quick and easy solution for communicating on your small office and home network. It is compatible with Microsoft WinPopup (Windows 3.x/95/98/ME), Messenger service / 'net send' command (Windows NT/2000/XP/Server 2003), Samba smbclient (Unix/Linux), and a broad range of compatible instant messengers based on the standard SMB/CIFS protocol.

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AidAim MsgCommunicator
$95 - AidAim Software LLC

MsgCommunicator is a new, innovative Delphi / C++Builder messenger SDK for the easy creation of custom client/server and peer-to-peer instant messaging (IM) applications with data compression, strong encryption and advanced networking technologies.

MsgCommunicator supports both client/server and peer-to-peer modes and allows sending and receiving binary buffers, streams, and string messages to any network client even it is not on-line at the moment.

You can easily speed up network messages exchange by reducing the size of data needed to send. MsgCommunicator compresses/decompresses data on the fly. The compression routines used in the MsgCommunicator are much faster than most of popular archivers like WinZip, WinRar, etc. MsgCommunicator enables you to select one of the three data compression algorithms (ZLib, BZip, PPM) and one of 9 compression modes for each to achieve necessary speed and compression ratio with data of any type.

MsgCommunicator supports encryption of the network traffic using any of 12 strong encryption algorithms with one of four encryption modes (CTS, CBC, CFB, OFB) by using a password as well as by an encryption key itself to protect your data.
MsgCommunicator has one of the best encryption functionality among all known messenger systems.

MsgCommunicator also provides messenger functionality to work with ContactList, UserInfo, Users Database etc. to enable you to build your IM application easily and quickly. You have no needs to think on how to store client and server data because all necessary features are already released in MsgClient and MsgServer visual components.

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Shareaza PRO
$0 - IntelPeers

Shareaza Pro is a free Windows-based peer-to-peer client which empowers users to share, search for and
download any type of media files on most poplar P2P network protocols including Gnutella, Gnutella2,
eDonkey/eMule, BitTorrent. Shareaza Pro' download core was purpose-built to provide intelligence for detecting
fake and/or corrupted files. It features extensively swarming technology to simultaneously download files from
multiple sources of any network as a result delivering the fastest downloads ever. Shareaza Pro offers advanced
download management capabilities allowing previewing downloaded files, to automatically finish incomplete
download and clear files downloaded with errors. Shareaza Pro is the most luxurious and sophisticated file sharing
system you'll find. Shareaza Pro's built-in media player can preview audio and video while downloading. Its easy-to-use user interface allows you to chat with other Shareaza users too.

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NetChat
$29.95 - Barefoot Productions, Inc.

NetChat is a peer-to-peer local network instant messaging and communications system for Windows which does not require a server to be running for use. It allows you to chat in real-time with other users on a secure and private local network connection.

* NetChat may be used as an electronic office in/out board
See when other users are in the office and available. Helps keep track of employees in a small office.

* True Peer-to-Peer
With NetChat, you do not need a dedicated server computer or software to communicate. NetChat operates completely in a peer-to-peer mode, allowing efficient communication directly between users on a network. There is no server, so each message goes directly from sender to receiver, without having to be routed through a central computer on the network.

* No Direct Internet Connection Required
NetChat works completely on a local Ethernet network using the TCP/IP protocol. However, it does not need a connection to the Internet. If you do have an Internet connection, NetChat works on your local subnet, so it will not be accessible from the outside world.

* Easy to Use
Getting started with NetChat is very easy - just install the software on two or more computers on the same local network and you may begin chatting in real-time with other users.

* Network requirements
NetChat uses the TCP/IP protocol and works with fixed or dynamic IP addresses on an Ethernet network. Any Windows 98/ME/2000/XP PC with a network card and configured for a local network will be able to run this software. Each computer will be identified to others based on a custom user name from the IP address of each computer. Since no two computers can have identical IP addresses on a network (or subnet), each client is assured to be unique. NetChat can work with network PCs which have fixed (static) or dynamically assigned IP addresses.

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Manolito
$0 - MP2P Technologies, S.A.

Manolito is a file-sharing network that uses a peer-to-peer network similar to Gnutella, with a new private protocol that works without a central server. Search and download MP3 files from the entire network of users. Manolito offers an easy-to-use interface enabling fast searches, free music downloads, multi-source downloads, chat and voice chat, an internal MP3 player, and more. Manolito facilitates an anonymous p2p community and does not compile, store, or otherwise retain data about users, searches, or files. Manolito supports the Ogg Vorbis file format. Other features include a decentralized buddy list, integrated chat, auto-resume, file queuing, firewall support and built-in CD burner.

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