Browse free open source Internet software and projects for Desktop Operating Systems and BSD below. Use the toggles on the left to filter open source Internet software by OS, license, language, programming language, and project status.

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  • 1
    VTun is the easiest way to create Virtual Tunnels over TCP/IP networks with traffic shaping, compression, and encryption. It supports IP, Ethernet, PPP and other tunnel types. VTun is easily and highly configurable. VPN, Mobile IP, Shaping, etc
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    Downloads: 3,602 This Week
    Last Update:
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  • 2
    Moodle

    Moodle

    A free course management system (CMS) to create online learning sites

    Moodle is a Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learning Environment (VLE). It is a Free web application that educators can use to create effective online learning sites. https://moodle.org/
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    Downloads: 590 This Week
    Last Update:
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  • 3

    aria2 - CLI Metalink/BitTorrent client

    A multi-protocol & multi-source, cross platform download utility

    aria2 is a multi-protocol & multi-source, cross platform download utility. The supported protocols are HTTP(S), FTP, BitTorrent, Metalink. It can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth.
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    Downloads: 135 This Week
    Last Update:
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  • 4
    YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
    Downloads: 7 This Week
    Last Update:
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  • Simple, Secure Domain Registration Icon
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  • 5
    The Nemesis Project is designed to be a command line based, portable human IP stack for UNIX-like and Windows systems. The suite is broken down by protocol, and should allow for useful scripting of injected packets from simple shell scripts.
    Downloads: 19 This Week
    Last Update:
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  • 6
    tsocks provides transparent network access through a SOCKS version 4 or 5 proxy (usually on a firewall). tsocks intercepts the calls applications make to establish TCP connections and transparently proxies them as necessary.
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    Downloads: 29 This Week
    Last Update:
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  • 7
    basE91 is an advanced method for encoding binary data as ASCII characters. It is similar to UUencode or base64, but is more efficient. The overhead produced by basE91 depends on the input data. It amounts at most to 23% and can range down to 14%.
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    Downloads: 27 This Week
    Last Update:
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  • 8
    OpenChange Project

    OpenChange Project

    Microsoft Exchange compatible server and client libraries

    OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.
    Downloads: 9 This Week
    Last Update:
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  • 9
    Jitterbit is an open source integration tool that delivers a quick and simple way to design, configure, test, and deploy integration solutions. It supports many document types and protocols: XML, web services, database, LDAP, text, FTP, HTTP(S), file
    Downloads: 6 This Week
    Last Update:
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    Build Securely on Azure with Proven Frameworks

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  • 10
    DownloadDaemon
    DownloadDaemon is a comfortable download-manager with many features like one-click-hoster support, etc. It can be remote-controled in several ways (web/gui/console clients), which makes it perfect for file- and root-servers, as well as for local use.
    Downloads: 2 This Week
    Last Update:
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  • 11
    IceGenerator is a direct stream generator for Icecast/Shoutcast servers. Streams MP3 to an Icecast/Shoutcast server without resampling it, saving CPU. Features directories search, MySQL/PGSQL support, ID3, M3U/PLS, META dynamic info and telnet interf
    Downloads: 3 This Week
    Last Update:
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  • 12
    raddump interprets captured RADIUS packets to print a timestamp, packet length, RADIUS packet type, source and destination hosts and ports, and included attribute names and values for each packet.
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    Downloads: 7 This Week
    Last Update:
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  • 13

    FSP Client with FTP-like interface

    FSP command line client with FTP like interface

    FSPClient is single executable client for FSP protocol. FSPClient uses FTP-likeuser interface. It feels like FTP but under hood is FSP. This is a continuationof this program unmaintained for 10 years. FSP is UDP based protocol fortransfering files around
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    Downloads: 6 This Week
    Last Update:
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  • 14
    The WBXML Library is a C library for handling WBXML (Wireless Binary XML) documents. It consists of a WBXML Parser (with a SAX like interface), a generic WBXML Encoder, and an internal representation of the document (WBXMLTree).
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    Downloads: 5 This Week
    Last Update:
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  • 15
    A progress indicator for web based file uploads with PHP, perl and JSP. Originally the project was a solution to the lack of a progress monitor for PHP file upload. Since then it has expanded to include upload monitors for perl and JSP.
    Downloads: 1 This Week
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  • 16
    A Free SOCKS proxy server for Linux, macos and FreeBSD
    Downloads: 4 This Week
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  • 17

    Meanwhile

    Open implementation of the Lotus Sametime protocol

    THIS PROJECT HAS MOVED Please visit https://github.com/obriencj/meanwhile The Meanwhile project is an open implementation of the Lotus Sametime client protocol. The project provides a library written in C, a python module, and a Gaim plugin utilizing the library.
    Downloads: 3 This Week
    Last Update:
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  • 18
    Eggdrop
    Eggdrop is the most advanced IRC robot available. It has been under development since December 1993, and unlike most other bots, it is still regularly updated.
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    Downloads: 2 This Week
    Last Update:
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  • 19
    E-Mail based Web Browsing. Provide a way to view and use many (but not all for semi-obvious reasons) web pages, with only an e-mail account. Ideal for Blackberry and other limited e-mail only wireless devices.
    Downloads: 2 This Week
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  • 20
    Revival/2k is a modular BBS/suite of internet servers and a web-site management system. It consists of multiple web applications (forums, mail, login, etc), internet servers (NNTP, POP3, etc) and a Telegard/Renegade styled telnet server all interacting
    Downloads: 1 This Week
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  • 21
    The Alpine Network is a peer based application and network infrastructure designed for distributed resouce location, including file/data transfer. Alpine attempts to resolve the distributed search/sharing problem using an efficient messaging system.
    Downloads: 1 This Week
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  • 22
    A modular PHP based web portal system. While a stable beta of the portal is available, I am currently in development planning phases of a new core framework.
    Downloads: 1 This Week
    Last Update:
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  • 23

    Darkbot

    The IRC's Talking Robot

    [ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.
    Leader badge
    Downloads: 1 This Week
    Last Update:
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  • 24
    NETI@home collects network performance statistics from end-systems, but is NOT SPYWARE. These statistics will be sent to Georgia Tech where they will be made publicly available, giving researchers needed data on the end-to-end performance of the Internet
    Downloads: 1 This Week
    Last Update:
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  • 25
    stupid-ftpd is an ftp server, which provides a normal ftp-daemon functionality and a command-line mode. It has got a /etc/passwd independent user database which allows many variations of permissions. The server is easy to configure and very flexible.
    Downloads: 1 This Week
    Last Update:
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