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.

  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

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    Simple, Secure 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
  • 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.

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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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