Angry IP Scanner

Angry IP Scanner (or simply ipscan) is an open-source and cross-platform network scanner designed to be fast and simple to use. It scans IP addresses and ports as well as has many other features. It is widely used by network administrators and just curious users around the world, including large and small enterprises, banks, and government agencies …(more)

Tags: networking monitoring desktop



GNU Anubis is an SMTP message submission daemon. It represents an intermediate layer between mail user agent (MUA) and mail transport agent (MTA), receiving messages from the MUA, applying to them a set of predefined changes and finally inserting modified messages into an MTA routing network. The set of changes applied to a message is configurable on a system-wide and per-user basis. The built-in configuration language used for defining sets of changes allows for considerable flexibility and is easily extensible …(more)

Tags: GNU networking


Apache Cassandra

Apache Cassandra is an open source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers robust support for clusters spanning multiple datacenters, with asynchronous masterless replication allowing low latency operations for all client …(more)

Tags: networking apache


Apache HTTP Server

The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards …(more)

Tags: networking apache


Apache Tomcat

Apache Tomcat (or simply Tomcat, formerly also Jakarta Tomcat) is an open source web server and servlet container developed by the Apache Software Foundation (ASF). Tomcat implements the Java Servlet and the JavaServer Pages (JSP) specifications from Sun Microsystems, and provides a “pure Java” HTTP web server environment for Java code to run in. In the simplest config Tomcat runs in a single operating system process. The process runs a Java virtual machine (JVM). Every single HTTP request from a browser to Tomcat is processed in the Tomcat process in a separate thread …(more)

Tags: networking apache


Apache Traffic Server

Apache Traffic Server software is a fast, scalable and extensible HTTP/1.1 compliant caching proxy server. Formerly a commercial product, Yahoo! donated it to the Apache Foundation, and it is now an Apache top level project …(more)

Tags: networking apache



BIND is open source software that implements the Domain Name System (DNS) protocols for the Internet. It is a reference implementation of those protocols, but it is also production-grade software, suitable for use in high-volume and high-reliability applications. BIND is by far the most widely used DNS software on the Internet, providing a robust and stable platform on top of which organizations can build distributed computing systems with the knowledge that those systems are fully compliant with published DNS standards …(more)

Tags: networking



GNU ccRTP is an implementation of RTP, the real-time transport protocol from the IETF (see RFC 3550, RFC 3551 and RFC 3555). Releases 1.5.0 and above support the Secure RTP profile, SRTP (see RFC 3711). A separate extension package, libzrtpcpp, provides support for the ZRTP protocol (as defined in the Internet draft draft-zimmermann-avt-zrtp) …(more)

Tags: GNU networking



Drawpile is a networked drawing program that allows multiple people to sketch on the same image simultaneously. It is developed as a Free/Libre Open Source project and is available at no costThe goal of the project is to produce a simple, easy to use multiplatform collaboration tool. Drawpile supports the OpenRaster file format and thus works well with other Free painting applications such as MyPaint, Krita and GIMP …(more)

Tags: graphics networking



Mozilla Firefox (known simply as Firefox) is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android, by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards …(more)

Tags: desktop networking



GNS3 is an open source software that simulate complex networks while being as close as possible to the way real networks perform. GNS3 is an excellent alternative or complementary tool to real labs for network engineers, administrators and people studying for certifications such as Cisco CCNA, CCNP and CCIE as well as Juniper JNCIA, JNCIS and JNCIE. Open source networking is supported too …(more)

Tags: desktop networking



GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. Our high-level goal is to provide a strong free software foundation for a global network that provides security and in particular respects privacy …(more)

Tags: GNU networking



GNU Guile-RPC is an implementation of ONC RPC and XDR (standardized as RFC 1831 and RFC 4506) in Guile Scheme, and for use by GNU Guile programs. ONC RPC is the “Open Network Computing” Remote Procedure Call protocol, allowing programs to invoke procedures of programs running on remote machines. XDR is the underlying binary data representation format …(more)

Tags: GNU networking programming


Inetutils – GNU network utilities

Inetutils is a collection of common network programs. It includes: an ftp client and server, a telnet client and server, an rsh client and server, an rlogin client and server, a tftp client and server and much more …(more)

Tags: GNU networking



All IP devices need addresses, and ISC DHCP is the easiest and most efficient way to provide them. ISC DHCP is open source software that implements the Dynamic Host Configuration Protocol for connection to an IP network. It is production-grade software that offers a complete solution for implementing DHCP servers, relay agents, and clients for small local networks to large enterprises. ISC DHCP solution supports both IPv4 and IPv6, and is suitable for use in high-volume and high-reliability applications. DHCP is available for free download under the terms of the ISC License, a BSD style license …(more)

Tags: networking



Konversation is a user-friendly Internet Relay Chat (IRC) client built on the KDE Platform. Features: standard IRC features, SSL server support, bookmarking support, easy to use graphical user interface, multiple servers and channels in one single window, DCC file transfer, multiple identities for different servers, text decorations and colors, OnScreen Display for notifications, automatic UTF-8 detection, per channel encoding support, theme support for nick icons, highly configurable …(more)

Tags: KDE networking desktop



Real time Communication has traditionally been a detached feature of Desktop Computing, provided via stand-alone Instant Messaging clients with poor integration into the desktop experience. One of the primary goals of the KDE 4 series is to tighten integration between different components of the environment. The KDE Telepathy (KTp) project aims to tackle just this. …(more)

Tags: KDE networking



libmbim is a glib-based library for talking to WWAN modems and devices which speak the Mobile Interface Broadband Model (MBIM) protocol …(more)

Tags: freedesktop networking



GNU libmicrohttpd is a small, embeddable HTTP server implemented as a C library. It makes it easy to run an HTTP server as part of another application. The library is fully HTTP 1.1 compliant. It can listen on multiple ports, supports four different threading models, and supports IPv6. It also features security features such as basic and digest authentication and support for SSL3 and TLS …(more)

Tags: GNU networking programming



libqmi is a glib-based library for talking to WWAN modems and devices which speak the Qualcomm MSM Interface (QMI) protocol …(more)

Tags: freedesktop networking


Mailman, the GNU Mailing List Manager

Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more …(more)

Tags: GNU networking



ModemManager is a DBus-activated daemon which controls mobile broadband (2G/3G/4G) devices and connections. Whether built-in devices, USB dongles, bluetooth-paired telephones, or professional RS232/USB devices with external power supplies, ModemManager is able to prepare and configure the modems and setup connections with them. 1.x is the stable series of ModemManager using the improved /org/freedesktop/ModemManager1 interface …(more)

Tags: freedesktop networking



Nagios is a powerful monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.Nagios monitors your entire IT infrastructure to ensure systems, applications, services, and business processes are functioning properly. In the event of a failure, Nagios can alert technical staff of the problem, allowing them to begin remediation processes before outages affect business processes, end-users, or customers …(more)

Tags: networking system monitoring



Simple Network Management Protocol (SNMP) is a widely used protocol for monitoring the health and welfare of network equipment (eg. routers), computer equipment and even devices like UPSs. Net-SNMP is a suite of applications used to implement SNMP v1, SNMP v2c and SNMP v3 using both IPv4 and IPv6 …(more)

Tags: networking monitoring



Netdisco is an Open Source web-based network management tool first released publically in 2003. The target users are large corporate and university networks administrators. Data is collected into a Postgres database using SNMP and presented with a clean web interface using Mason. Configuration information and connection data for network devices are retrieved via SNMP. Data is stored using a SQL database for scalability and speed. Layer-2 topology protocols such as CDP and LLDP provide automatic discovery of the network topology …(more)

Tags: networking monitoring



netfilter is the packet filtering framework inside the Linux 2.4.x and later kernel series. Software commonly associated with is iptables …(more)

Tags: networking system



ntopng, the next generation version of the original ntop, a network traffic probe that shows the network usage, similar to what the popular top Unix command does. ntopng is based on libpcap and it has been written in a portable way in order to virtually run on every Unix platform, MacOSX and on Win32 as well …(more)

Tags: networking monitoring



OpenNMS is a free and open-source enterprise grade network monitoring and network management platform. The goal is for OpenNMS to be a truly distributed, scalable management application platform for all aspects of the FCAPS network management model while remaining 100% free and open source. Currently the focus is on Fault and Performance Management …(more)

Tags: networking monitoring



OpenSSH is a FREE version of the SSH connectivity tools. It encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks. Additionally, OpenSSH provides secure tunneling capabilities and several authentication methods, and supports all SSH protocol versions …(more)

Tags: networking



OpenSSL is a cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols and related cryptography standards required by them. …(more)

Tags: networking


Pale Moon

Pale Moon is an open source web browser based on Firefox, focusing on efficiency and ease of use, by leaving out unnecessary features and making optimizations, while maintaining compatibility with Firefox extensions and themes. Pale Moon provides a familiar set of controls and visual feedback similar to previous versions of Firefox, including grouped navigation buttons, a bookmarks toolbar that is enabled by default, tabs next to page content by default, and a functional status bar …(more)

Tags: desktop networking



PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P …(more)

Tags: networking



Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+ …(more)

Tags: networking desktop



qtmib is an easy-to-use SNMP MIB Browser based on QT4 library. It is build as a front-end for net-snmp, and it allows the user to query any SNMP-enabled device. It implements SNMPv1 and SNMPv2c, and it is released under GPL v2 license …(more)

Tags: networking desktop monitoring



RCP100 is a modular router control plane for Linux platforms. It can be used as a standalone router, or it can be deployed as an embedded router in a virtualized environment. The modular architecture allows rapid introduction of new features and functionality, including support for custom hardware,
Features: industry standard Command Line Interface, web interface for configuration and statistics, telnet, FTP and TFTP access, NTP client and server, DNS proxy cache, DHCP server and relay, static routes, blackhole routes, static ARP, proxy ARP, RIP version 2 (RFC 2082, RFC 2453), OSPF version 2 (RFC 2328), Equal Cost Multipath, Access Control Lists, Masquerade NAT and port forwarding, SNMP v1, v2c and v3, Network Monitoring, VLAN (802.1Q) interface support, inter-VLAN routing …(more)

Tags: networking



rsync is a fast and versatile file copying tool. It can copy locally, to/from another host over any remote shell, or to/from a remote rsync daemon. It offers a large number of options that control every aspect of its behavior and permit very flexible specification of the set of files to be copied. It is famous for its delta-transfer algorithm, which reduces the amount of data sent over the network by sending only the differences between the source files and the existing files in the destination. Rsync is widely used for backups and mirroring and as an improved copy command for everyday use …(more)

Tags: networking



Samba is a free software re-implementation of the SMB/CIFS networking protocol, originally developed by Andrew Tridgell. As of version 3, Samba provides file and print services for various Microsoft Windows clients and can integrate with a Windows Server domain, either as a Primary Domain Controller (PDC) or as a domain member. It can also be part of an Active Directory domain …(more)

Tags: networking



SFLphone is a robust, standards-compliant enterprise softphone, for desktop and embedded systems. It is designed to handle several hundred calls a day. Features highlight: UI-independant telephony core, enterprise scalability functions, GNOME, KDE and CLI clients, SIP and IAX2 protocols support, multi-line, call transfer, call hold, call recording, multi-way conferencing, high definition audio codecs, signalling and voice encryption (TLS, SRTP), Pulseaudio support, automatic opening of incoming URL, central server providing free SIP/IAX account, locale settings: translated in 25+ languages, configuration system based on YAML serialization format …(more)

Tags: KDE networking


SIP Witch

GNU SIP Witch is a secure peer-to-peer VoIP server that uses the SIP protocol. Calls can be made peer-to-peer behind NAT firewalls, and without needing a service provider. GNU SIP Witch does not perform codec operations and thereby enables SIP endpoints to directly peer negotiate call setting and process peer to peer media streaming even when when multiple SIP Witch call nodes at multiple locations are involved. This means GNU SIP Witch operates without introducing additional media latency or offering a central point for media intercept or capture. GNU SIP Witch can be used to build secure and intercept-free telephone systems that can operate over the public Internet …(more)

Tags: GNU networking



SoapUI is a free and open source cross-platform Functional Testing solution. With an easy-to-use graphical interface, and enterprise-class features, SoapUI allows you to easily and rapidly create and execute automated functional, regression, compliance, and load tests. In a single test environment, SoapUI provides complete test coverage and supports all the standard protocols and technologies. There are simply no limits to what you can do with your tests. Meet SoapUI, the world’s most complete testing tool …(more)

Tags: networking programming



TRAMP stands for “Transparent Remote (file) Access, Multiple Protocol”. This package provides remote file editing, similar to Ange-FTP …(more)

Tags: GNU networking



Vino is the VNC server for the GNOME desktop environment …(more)

Tags: Gnome networking desktop


VOIP Monitor

VoIPmonitor is open source network packet sniffer with commercial frontend for SIP SKINNY RTP and RTCP VoIP protocols running on linux. VoIPmonitor is designed to analyze quality of VoIP call based on network parameters – delay variation and packet loss according to ITU-T G.107 E-model which predicts quality on MOS scale. Calls with all relevant statistics are saved to MySQL or ODBC database. Optionally each call can be saved to pcap file with either only SIP / SKINNY protocol or SIP/RTP/RTCP/T.38/udptl protocols. VoIPmonitor can also decode audio …(more)

Tags: networking



Web (originally called Epiphany) is a free software web browser for the GNOME desktop environment. The browser was forked from Galeon after developers’ disagreements about Galeon’s growing complexity. Since then Web has been developed as part of the GNOME project and uses most of GNOME’s technology and settings when applicable …(more)

Tags: desktop networking Gnome



GNU Wget is a free software package for retrieving files using HTTP, HTTPS and FTP, the most widely-used Internet protocols. It is a non-interactive commandline tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc. …(more)

Tags: GNU networking console



Wireshark is a GUI network protocol analyzer. It lets you interactively browse packet data from a live network or from a previously saved capture file. Wireshark’s native capture file format is libpcap format, which is also the format used by tcpdump and various other tools …(more)

Tags: networking desktop



ZABBIX is an enterprise-class open source distributed monitoring solution designed to monitor and track performance and availability of network servers, devices and other IT resources. It supports distributed and WEB monitoring, auto-discovery, and more …(more)

Tags: networking monitoring


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