Browse free open source Networking software and projects below. Use the toggles on the left to filter open source Networking software by OS, license, language, programming language, and project status.

  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
    Download Free Tool
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    net-snmp
    Net-SNMP provides tools and libraries relating to the Simple Network Management Protocol including: An extensible agent, an SNMP library, tools to request or set information from SNMP agents, tools to generate and handle SNMP traps, etc.
    Leader badge
    Downloads: 21,838 This Week
    Last Update:
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  • 2
    lmbench is a suite of simple, portable, ANSI/C microbenchmarks for UNIX/POSIX. In general, it measures two key features: latency and bandwidth. lmbench is intended to give system developers insight into basic costs of key operations.
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    Downloads: 4,329 This Week
    Last Update:
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  • 3

    Formerly Intel Ethernet Drivers

    Moved to github.com/intel

    Notice! Effective August 16, 2024, Intel will no longer use Sourceforge to distribute software for Ethernet products. ==================== Please refer to our GitHub location for future software updates here: https://intel.github.io/ethernet-linux/
    Leader badge
    Downloads: 444 This Week
    Last Update:
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  • 4

    net-tools

    Linux networking base tools

    A collection of programs that form the base set of the NET-3 networking distribution for the Linux operating system. Includes: arp, hostname, ifconfig, netstat, rarp, route, plipconfig, slattach, mii-tool and iptunnel and ipmaddr. A mirror of the sourcecode is available on https://github.com/ecki/net-tools
    Leader badge
    Downloads: 1,207 This Week
    Last Update:
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  • Atera - The depth of a full-stack IT platform, with the power of AI. Icon
    Atera - The depth of a full-stack IT platform, with the power of AI.

    Atera introduces your autonomous AI agent - Ensure operational efficiency at any scale with 24/7 autonomous IT support.

    Atera prioritizes security and compliance through robust protections that align with industry standards. Our AI-driven features were built on responsible AI principles and empower IT teams to work efficiently while maintaining trust and compliance.
    Learn More
  • 5
    Nagios Open Source

    Nagios Open Source

    Nagios Open Source network monitoring software - The Standard In ITM

    Nagios network monitoring software is a powerful, enterprise-class host, server, application, and network monitoring tools. Designed to be fast, flexible, and rock-solid stable. Nagios runs on *NIX hosts and can monitor Windows, Linux/Unix/BSD, Netware, and network devices.
    Leader badge
    Downloads: 153 This Week
    Last Update:
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  • 6
    VertrigoServ WAMP

    VertrigoServ WAMP

    Complete WAMP Server - PHP Apache MySQL for Windows.

    VertrigoServ is a complete free WAMP server allowing PHP development for Windows. It installs Apache 2.4, PHP, MySQL and PhpMyAdmin, both installing and setting up the environment. An uninstaller allows you to remove Vertrigo from hard disc. Vertrigo is a freeware compilation of free software (under GPL, Apache License). Main aplication has closed source code. For license details please take a look at every single component terms and conditions.
    Leader badge
    Downloads: 129 This Week
    Last Update:
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  • 7
    TCP/IP Manager

    TCP/IP Manager

    At home or at work, changing settings is now just one click away!

    TCP/IP Manager is designed to help computer users keep track of their network configuration in different locations. At home or at work, changing network settings is now just one click away!
    Leader badge
    Downloads: 112 This Week
    Last Update:
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  • 8
    FurMark

    FurMark

    GPU stress test OpenGL and Vulkan graphics benchmark Windows/Linux

    FurMark is an intensive benchmarking tool designed to evaluate the performance of graphics cards using fur rendering algorithms. This tool is particularly effective in generating high workloads that can significantly increase the temperature of the GPU, making it a useful utility for testing the stability and stress tolerance of graphics cards. By simulating demanding rendering tasks, FurMark serves as a comprehensive test for assessing the robustness and thermal performance of GPUs under extreme conditions. FurMark from Geeks3D is a free OpenGL benchmark tool for Windows that can also be used to check the stability of a graphics card thanks to a built-in stress test. FurMark rendering is designed to overheat the GPU making it a viral-like stability and stress test tool (also called GPU burner) for the graphics card.
    Downloads: 419 This Week
    Last Update:
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  • 9
    AlienVault OSSIM

    AlienVault OSSIM

    Open Source SIEM

    OSSIM, AlienVault’s Open Source Security Information and Event Management (SIEM) product, provides event collection, normalization and correlation. For more advanced functionality, AlienVault Unified Security Management (USM) builds on OSSIM with these additional capabilities: * Log management * Advanced threat detection with a continuously updated library of pre-built correlation rules * Actionable threat intelligence updates from AlienVault Labs Security Research Team * Rich analytics dashboards and data visualization
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    Downloads: 78 This Week
    Last Update:
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  • Say goodbye to broken revenue funnels and poor customer experiences Icon
    Say goodbye to broken revenue funnels and poor customer experiences

    Connect and coordinate your data, signals, tools, and people at every step of the customer journey.

    LeanData is a Demand Management solution that supports all go-to-market strategies such as account-based sales development, geo-based territories, and more. LeanData features a visual, intuitive workflow native to Salesforce that enables users to view their entire lead flow in one interface. LeanData allows users to access the drag-and-drop feature to route their leads. LeanData also features an algorithms match that uses multiple fields in Salesforce.
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  • 10
    OpenNMS

    OpenNMS

    A Java based fault and performance management system

    An Enterprise-Grade Network Management Application Platform that is 100% Free and Open Source Software.
    Downloads: 39 This Week
    Last Update:
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  • 11
    NSClient++ is a windows service that allows performance metrics to be gathered by Nagios (and possibly other monitoring tools). It is an attempt to create a NSClient and NRPE compatible but yet extendable performance service for windows.
    Downloads: 40 This Week
    Last Update:
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  • 12

    Netdisco

    Full-featured enterprise network management tool

    Netdisco is an SNMP-based L2/L3 network management tool designed for moderate to large networks. Routers and switches are polled to log IP and MAC addresses and map them to switch ports. Automatic L2 network topology discovery, display, and inventory.
    Leader badge
    Downloads: 38 This Week
    Last Update:
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  • 13
    Wireshark

    Wireshark

    Powerful, open-source network protocol analyzer

    Wireshark is a powerful network protocol analyzer developed by an international team of networking experts. It runs on UNIX, OS X and Windows. Official releases can be found at https://www.wireshark.org/
    Downloads: 33 This Week
    Last Update:
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  • 14
    Virtual Router Plus Windows Wifi Hotspot

    Virtual Router Plus Windows Wifi Hotspot

    Turns any Windows 7 or later computer into a Wifi Hot Spot

    Virtual Router Plus is based on Virtual Router project and turns any Windows 7 or later computer into a Wifi Hot Spot using Wireless Hosted Network technology.
    Downloads: 108 This Week
    Last Update:
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  • 15
    Untangle
    Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com
    Downloads: 24 This Week
    Last Update:
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  • 16
    We are developing a set of Delphi components to communicate with a ModBus PLC over TCP/IP. The library provides components to implement both a ModBus master and a Modbus slave, and is based on the Indy component set (both Indy 9 and 10 are supported) De source code of the project has been moved to GitHub!
    Leader badge
    Downloads: 18 This Week
    Last Update:
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  • 17
    CacheGuard Gateway

    CacheGuard Gateway

    CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.

    CacheGuard Gateway is a free and open-source Unified Threat Management (UTM) solution, a Web Application Firewall (WAF), and a Quality of Service (QoS) platform designed to optimize WAN traffic. To obtain a CacheGuard Gateway appliance, download CacheGuard-OS and install it on the bare-metal or virtual machine of your choice. It’s that simple and completely free. The UTM includes a firewall, web antivirus, VPN server, and a URL-filtering and SSL-inspection web proxy. The WAF operates in conjunction with a reverse proxy, web application load balancer, and SSL offloader, and is capable of blocking malicious requests as well as traffic from IP addresses with poor reputations. The QoS manager enables traffic shaping to prioritize critical network flows, load balance multiple WAN links, and cache web traffic.
    Leader badge
    Downloads: 16 This Week
    Last Update:
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  • 18
    Zenoss Community Edition

    Zenoss Community Edition

    Zenoss - Intelligent IT Operations Management

    Zenoss provides software-defined IT operations for the world’s largest organizations. We deliver the ultimate level of IT service health with simplicity by providing the most granular and intelligent IT service modeling possible, at any scale, and sharing these unique insights with other IT operations management (ITOM) tools to make them more efficient. Zenoss Community Edition is not a “demo” or trial version of Zenoss Enterprise or Zenoss Cloud! Before You install Zenoss Community Edition, check out Zenoss Cloud, our new Saas-based platform for intelligent IT operations management, designed for enterprise hybrid IT environments. https://www.zenoss.com/product/zenoss-cloud-it-operations-management Zenoss Cloud extends your monitoring capabilities well beyond those available in our Community Edition. View the differences here: https://www.zenoss.com/get-started Features of Zenoss Cloud include:
    Downloads: 12 This Week
    Last Update:
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  • 19
    A collection of single floppy disk based Network Attached Storage (NAS) Server Operating Systems, designed to transform a basic computer into a dedicated SMB/CIFS, FTP or NFS file server.
    Leader badge
    Downloads: 15 This Week
    Last Update:
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  • 20
    netwib
    Netwib provides sniff, spoof, client, server and most functions needed by network programs.
    Leader badge
    Downloads: 39 This Week
    Last Update:
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  • 21
    UltraVNC

    UltraVNC

    UltraVNC: Remote Access Tools VNC/RFB Remote Desktop Support Software

    UltraVNC: Remote Desktop Support Software - Remote PC Access - Remote Desktop Connection Software - VNC/RFB Compatibility - Virtual Network Computing - Remote Frame Buffer - FileTransfer - Encryption Plugin - Text Chat - MS Authentication
    Downloads: 6 This Week
    Last Update:
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  • 22
    Libnids - NIDS E-component, based on Linux kernel. This library provides IP defragmentation, TCP reassembly and port scan detection.
    Downloads: 15 This Week
    Last Update:
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  • 23

    proxychains-ng

    continuation of the famous proxychains project by netcreature

    proxychains is a hook preloader that allows to redirect TCP traffic of existing dynamically linked programs through one or more SOCKS or HTTP proxies.
    Downloads: 14 This Week
    Last Update:
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  • 24
    Remote Desktop (RD) Connection Manager
    Remote Desktop (RD) Connection Manager allows easy working with remote desktops and servers. It supports: Citrix ICA, Microsoft Windows terminal services (RDP), VMRC, VNC as well as VDI: VMWare Workstation, VMWare ESX and ESXi servers, Microsoft Hype
    Downloads: 6 This Week
    Last Update:
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  • 25
    ASProxyWing
    ASProxyWing is a handy, easy to use client / server desktop distributed proxy, which works as a HTTP-tunnel for clients. Provides high secure, easy to integrate proxy servers.
    Downloads: 5 This Week
    Last Update:
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