Browse free open source System software and projects for Linux and ChromeOS below. Use the toggles on the left to filter open source System 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.
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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    BleachBit

    BleachBit

    deletes junk files to free disk space and improve privacy

    BleachBit frees disk space and maintains privacy. Cleans cache, Internet history, temporary files, logs, cookies, Firefox, Google Chrome, Flash, Windows, Linux, and more. Downloads are at www.bleachbit.org and source code is at GitHub.
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    Downloads: 1,554 This Week
    Last Update:
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  • 2
    BASE is the Basic Analysis and Security Engine. It is based on the code from the Analysis Console for Intrusion Databases (ACID) project. This application provides a web front-end to query and analyze the alerts coming from a SNORT IDS system.
    Downloads: 7 This Week
    Last Update:
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  • 3
    - language perl / library Graph, XML::LibXML - OS platforms, all platform that support perl and lsof tool - This software aims to realize an HIDS, based on programs behaviour modelling.
    Downloads: 0 This Week
    Last Update:
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  • 4
    S/Key - OTP Generator for J2ME architecture. An RFC2289 compliant One-Time Password generator for mobile phone supporting Java language. It uses MD4 and MD5 hash algorithms.
    Downloads: 0 This Week
    Last Update:
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  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

    Cloud Run is a fully-managed compute platform that lets you run your code in a container directly on top of scalable infrastructure.

    Run frontend and backend services, batch jobs, deploy websites and applications, and queue processing workloads without the need to manage infrastructure.
    Try for free
  • 5
    PHP security system that protect your web applications adding on your source ONLY ONE LINE OF CODE! Administrators can manage policies, authentication and authorisation for as many users and groups, all through a single and intuitive Ajax based interface
    Downloads: 0 This Week
    Last Update:
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