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

  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

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    Simple, Secure Domain Registration

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    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
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  • 1

    knocker

    A simple, portable port scanner

    Knocker is a simple, versatile, and easy-to-use TCP security port scanner written in C, using threads. It is able to analyze hosts and the network services which are running on them. It is available for Linux, FreeBSD, Unix, and Windows95/98/2000.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 2
    Blaster Scan is a TCP port scanner. It can extract users exploiting vrfy or expn, check anonymous access on FTP, check brute force on FTP and POP3, extract daemons\' versions, and scan for CGI bugs. It also has a SYN port scan, the ability to ping hosts t
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Fastspy is a multithreaded network port scanner. It minimizes connection idle time performing fast subnet service search, classic port range scan, hosts list scan, and also send user data over a connection to log servers response.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    PMCP (Portable Master Control Program)
    Gives you the ability to operate Windows using PMCP alone, with its collection of useful utilities. Also includes several network tools. Written in pure C with Win32 API for maximum portability.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
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  • 5
    PScan: A port scanner for PalmOS Devices. This scanner is being developed by the Blue Collar Hacker's Union and is meant to be built using GNU tools (PRC-Tools, specifically), to be released under GPL.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Gobbler: A tool to audit DHCP networks Includes DHCP rogue server detection, DHCP DoS, distributed spoofed port scanner using DHCP to obtain many source IP addresses, mulitple arp scans, filtered port detection, spoofed OS detection (nmap + port 0)
    Downloads: 0 This Week
    Last Update:
    See Project
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