Security Software

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

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
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  • 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
  • 1
    Universal Password Manager

    Universal Password Manager

    Store all your passwords in one secure encrypted database.

    Universal Password Manager allows you to store all your passwords in one highly secure encrypted database. Its strengths are simplicity, portability and security (uses 128bit AES encryption). UPM is available on Android, Windows, OS X & Linux.
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    Downloads: 30 This Week
    Last Update:
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  • 2
    The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.
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    Downloads: 73 This Week
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  • 3
    Mole

    Mole

    Automatic SQL Injection Exploitation Tool

    Mole is an automatic SQL Injection exploitation tool. Only by providing a vulnerable URL and a valid string on the site it can detect the injection and exploit it, either by using the union technique or a boolean query based technique. The Mole uses a command based interface, allowing the user to indicate the action he wants to perform easily. The CLI also provides auto-completion on both commands and command arguments, making the user type as less as possible.
    Downloads: 13 This Week
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  • 4
    This is a module that allows PAM aware applications to authenticate users through a MySQL database. Now configurable in terms of which host the database reside upon, which table and username and password column to interrogate.
    Downloads: 16 This Week
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  • 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
  • 5
    sqlmap
    sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers.
    Downloads: 5 This Week
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  • 6
    SoupToNuts is a repository of technical articles and example software covering Postfix, OpenSSH, C and C++, Live Linux CD, MySQL, SQLite, Berkeley DB, Bash and System Administration.
    Downloads: 25 This Week
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  • 7
    phpLDAPadmin
    phpLDAPadmin is a web-based LDAP administration tool for managing your LDAP server. With it you can browse your LDAP tree, view LDAP schema, perform searches, create, delete, copy and edit LDAP entries. You can even copy entries between servers.
    Downloads: 22 This Week
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  • 8
    ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.
    Downloads: 7 This Week
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  • 9

    An Open Source Knowledge Base System

    An open source, web based, platform independent knowledge base system.

    Free open source knowledge base software. Extensively search-able, Versatile and easy to use. easy to set up and administer. Comment hover links let you read in an AJAX generated hover window, the comments to an article in the main list view without having to go to the comments page. Password protected user accounts, and group support, with read only guest user, full control admin, power user/moderator, and default data entry user with restricted privileges. Users can view all data but only modify their own data unless user is admin or moderator, default users can't delete anything. Moderator is more restricted then admin but less restricted then default user. Supported data export formats: .doc .xls .csv .pdf and .xml. Printing and exporting can be done from any part of the site. single articles or multiple items from the list view. Multiple report types to keep track of your site. Change password support, Password recovery by user name or email support
    Downloads: 1 This Week
    Last Update:
    See Project
  • 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
  • 10
    wmpasman stores your passwords, and makes them available for pasting (both via the middle-click PRIMARY selection and the CLIPBOARD selection) at the click of a button. It also contains a digital clock. Access is controlled by a passphrase.
    Downloads: 2 This Week
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    See Project
  • 11
    FLAG was designed to simplify the process of log file analysis and forensic investigations. FLAG facilitates efficient analysis of large quantities of data within an interactive environment. PyFlag is the reimplementation of FLAG in Python.
    Downloads: 1 This Week
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  • 12
    Eliminate the mundain tasks & ease the use of basic http authentication in php. A lightweight php class that handles http authentication, & user mgmt tasks from flatfile or any SQL compliant db server.
    Downloads: 1 This Week
    Last Update:
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  • 13
    Download code, Learn code, Share code. The Ongoing Object-oriented Perl Project. scripts, tutorials, modules, case studies, anything OOPerl --not excluding contributions of OO discipline in other programming languages.
    Downloads: 1 This Week
    Last Update:
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  • 14
    RanPass 2.0, the successor to the simple and MS-DOS interfaced RanPass 1.0. RanPass is a Random Password Generator. RanPass will use a unique Algarythm(s) to generate a Random Password. This type of software is really useful to a Secure Network.
    Downloads: 1 This Week
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  • 15
    Libdejector is a database tool which defeats SQL injection attacks by performing context-free validation of queries. While written in C, SWIG wrappers exist for Python and other languages will be following soon.
    Downloads: 1 This Week
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  • 16
    The mod_auth project provides authn and authz modules for the apache httpd 2.1 authentication framework.
    Downloads: 1 This Week
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    See Project
  • 17
    phpMySecret - Webbased password database This project is a solution for all, who have to remember a lot of passwords for several sites and applications. On an webserver there where all passwords stored (encypted) and only with the user-given paraphrase
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Grained Login is a fine-grained login system for Qt applications. It uses SHA1 hashed passwords to retrieve user rights from a SQLite database. An administration dialog handles the maintenance of the users, the roles, the rights and the password history.
    Downloads: 0 This Week
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    See Project
  • 19
    Botkiller is a php-script which helps to flood the databases of bots, searching the web for email-adresses. Its goal is to create a huge network of servers running the script and to trap the bots in it while feeding it useless adresses.
    Downloads: 0 This Week
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  • 20
    The csvdatamix project aims to randomize CSV input data files in order to conceal the original state of the data. Similar to data masking or data transformation. Also has mapping abilities to translate back to the original state of the data.
    Downloads: 0 This Week
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    See Project
  • 21
    CarrierPigeon enables intelligent, transparent and secure usage of data sources across networked sites. The underlying, distributed Java-framework is built on the concept of proxy drivers to provide a real VPN experience.
    Downloads: 0 This Week
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  • 22
    ConDEnSE (Confidential Data Enabled Statistical Exploration) will be a web-based environment for statistical analysis of confidential data from various database sources, based on Plone and R, and using the Jackknife method of confidentiality protection.
    Downloads: 0 This Week
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  • 23
    Features of Cyberarmy.com brought direct to your desktop. They don't want it, so this projects kinda dead, wish I hadn't started it so early haha. Any ideas for an alternate purpose (not an IM client): jwinsatt@adelphia.net
    Downloads: 0 This Week
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  • 24
    DB_eSession class securely stores PHP sessions in a MySQL Database with lots of incorporated features for Internet or Intranet use.
    Downloads: 0 This Week
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  • 25
    DominoDig is a perl program designed to help facilitate auditing Lotus Domino web servers. Produces an HTML report that provides a list of all the unique .nsf databases it was able to access, as well as IP addresses and email addresses.
    Downloads: 0 This Week
    Last Update:
    See Project
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