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

  • 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
  • Cloud tools for web scraping and data extraction Icon
    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
    Explore 10,000+ tools
  • 1
    AdAway

    AdAway

    Ad-blocking for your Android

    Tired of seeing ads pop up on your Android device? You can take them all away with AdAway! AdAway is an open source ad blocker for Android that uses the hosts file and local vpn. It effectively keeps pesky ads at bay so you can continue using your Android device uninterrupted by constant ads. AdAway gives you the option to add custom sources of host files. It also lets you add custom rules for your whitelist, blocklist and rules for redirects, so your ad blocking is not just generic, but tailored specifically how you want it. AdAway is currently being used by dozens of Android users worldwide.
    Downloads: 43 This Week
    Last Update:
    See Project
  • 2
    PalmSecure (pSecure for short) is the opensource adaptation of the discontinued Toysoft program, SecureX. The source rights were purchased from them, and, after meeting their conditions, it was made free for everyone to use. Please use it!!!!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3

    chameleon_14443

    Low-cost, ISO 14443 compliant emulator for contactless smartcards

    ! This website is discontinued ! The new, improved MiniChameleon is maintained as of January 2014 on github: https://github.com/emsec/ChameleonMini ATXmega based emulator for contactless smartcards, designed and maintained by Embedded Security Group at the Ruhr-University in Bochum.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Symwire is a Host-based Intrusion Detection System (HIDS) and Integrity Checker written entirely in open c for symbian. It aims to be a complete, free, multiplatform, and open-source solution for detecting modifications and tamperings in files.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
    Learn More
  • 5
    yaSSL, or yet another SSL, is an embedded ssl library for programmers building security functionality into their applications and devices. yaSSL is highly portable, and runs on standard as well as embedded platforms(QNX, ThreadX, VxWorks, Tron) yaSSL is still available but no longer being developed. Current development on the same project continues under wolfSSL. Visit yaSSL Home above for the latest stable release.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next