Open Source Windows Security Software
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Security Software for Windows
View 1512 business solutionsBrowse free open source Security software and projects for Windows below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.
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Our Free Plans just got better! | Auth0You 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 extractionGenerate 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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KeePass
A lightweight and easy-to-use password manager
KeePass Password Safe is a free, open source, lightweight, and easy-to-use password manager for Windows, Linux and Mac OS X, with ports for Android, iPhone/iPad and other mobile devices. With so many passwords to remember and the need to vary passwords to protect your valuable data, it’s nice to have KeePass to manage your passwords in a secure way. KeePass puts all your passwords in a highly encrypted database and locks them with one master key or a key file. As a result, you only have to remember one single master password or select the key file to unlock the whole database. And the databases are encrypted using the best and most secure encryption algorithms currently known, AES and Twofish. See our features page for details. -
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JSignPdf is an open-source Java application that adds digital signatures to PDF documents.
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winPenPack
The portable software collection
winPenPack is a project that aims at collecting the most frequently used and most popular open source applications made portable, so that they can be executed without installation from any USB Flash Drive or Hard Disk. The winPenPack suites offer a wide range of portable applications like office tools, internet tools, multimedia tools, development tools, security applications and other frequently used utilities. Everything you need, completely free, open source and portable! -
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Gophish
Open-Source Phishing Framework
Gophish is a powerful open-source phishing toolkit that makes it easy to test an organization’s exposure to phishing. Designed for businesses and penetration testers, Gophish lets you quickly and easily set up and launch phishing campaigns, track results and set up security awareness training. Gophish works on most platforms, including Windows, Mac OS X and Linux. -
eProcurement SoftwareeBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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Greenplum Database
Massive parallel data platform for analytics, machine learning and AI
Rapidly create and deploy models for complex applications in cybersecurity, predictive maintenance, risk management, fraud detection, and many other areas. With its unique cost-based query optimizer designed for large-scale data workloads, Greenplum scales interactive and batch-mode analytics to large datasets in the petabytes without degrading query performance and throughput. Based on PostgreSQL, Greenplum provides you with more control over the software you deploy, reducing vendor lock-in, and allowing open influence on product direction. Greenplum reduces data silos by providing you with a single, scale-out environment for converging analytic and operational workloads, like streaming ingestion. All major Greenplum contributions are part of the Greenplum Database project and share the same database core, including the MPP architecture, analytical interfaces, and security capabilities. -
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mendelson AS2
Implementation of the EDIINT AS2 protocol (RFC 4130)
mendelson AS2 is the JAVA-based open source EDIINT AS2 solution. Monitoring- and configuration GUI, async & sync MDN, signatures, encryption, TLS, web interface, pluggable into any servlet container, partner manager, certificate manager, data compression, optional profiles: MA, FN. Localized to Spanish, Italian, Portuguese, German, English, French. -
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jpcap is a set of Java classes which provide an interface and system for network packet capture. A protocol library and tool for visualizing network traffic is included. jpcap utilizes libpcap, a widely deployed system library for packet capture.
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Tabbed notebook with RichText editor, multi-level notes and strong encryption. This project is an evolution of Tranglos Keynote (of Marek Jedlinski), with new features like: - Unicode compliant - Improvement in image management - Improved Find All - Redesigned navigation history mechanism - New file format: compressed - Improved treatment of links, and new internal KNT links, vinculated to markers, not only to caret position - Improved Clipboard Capture / Web Clip - Alarms on nodes - New kind of virtual nodes: links to other nodes (Mirror nodes) - New button: 'Copy Format' - Improved Clipboard Capture / Web Clip - ...
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TeamPass
cPassMan was renamed to TeamPass
TeamPass is a collaborative passwords manager. It has been created for managing passwords in a collaborative environment of use such as companies. With TeamPass it is possible to organize passwords in a tree structure, associate information to password. MORE INFORMATION ON TEAMPASS.NET website! -
Free and Open Source HR SoftwareGive 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.
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Digital Signer (a PDF Signing software)
Digital Signature & eSigning software. Bulk PDF signing. Sign all Page
Digital Signer is a powerful and user-friendly software designed to secure and sign your digital documents with ease. Ideal for Tender filling, individuals, businesses, and professionals, this software ensures that your sensitive documents are protected from unauthorized editing and tampering, maintaining their integrity and authenticity. Key Features Sign PDFs with Hardware Devices: Ensuring the highest level of security. Digital Signature Certificates (DSC): Apply digital signatures using DSCs, Smart Cards, providing a secure and legally binding way to authenticate your documents. Your Privacy, Our Priority Protect Your Data with Complete Confidence. Our software is designed to keep your information 100% secure. Unlike cloud-based solutions, there’s no need to share your private or confidential files with unknown servers. Everything works entirely 100% offline on your local machine, delivering 10x faster performance while maintaining the highest level of privacy. -
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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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Portainer.io
Making Docker and Kubernetes management easy
Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. It is designed to be as simple to deploy as it is to use. The application allows you to manage all your orchestrator resources (containers, images, volumes, networks and more) through a ‘smart’ GUI and/or an extensive API. Portainer consists of a single container that can run on any cluster. It can be deployed as a Linux container or a Windows native container. Portainer Business Edition builds on the open-source base and includes a range of advanced features and functions (like RBAC and Support) that are specific to the needs of business users. Portainer CE is an open source project and is supported by the community. You can buy a supported version of Portainer at portainer.io. -
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Stock Inventory Management
PHP Stock Inventory Management System - POS
A web-based application which will manage stock inventory so easily: Dashboard, Stock Management, Purchasing, Sales, Suppliers, Customers, Outstandings, and Payments. Nice look and feel interface. It supports to be displayed in mobile-device. This web application is actually generated by PHPMaker without touch any code in the generated script files. All the customization are done from inside of PHPMaker Project. Thus, all the changes are saved in the project side, so that you will be able to maintain the project and upgrade it in future easily and quickly. This related PHPMaker Project file (including all the Extensions that used by this project) can be downloaded from http://www.ilovephpmaker.com. The latest version supports PHPMaker 2019. Technical support will be provided only for those of you who have subscribed to the site. Demo? Please visit: http://phpstock.ilovephpmaker.com/ For login, please use: - Username: admin - Password: master -
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PortableSigner is a tool for digital signing (with X.509 certificates) of PDF files
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KeyGen
Cards based password storer
Forgot your password or want to create new one that can never be guessed? That's KeyGen is for: make you not to remember all these passwords for countless amount of services. KeyGen provides cards based interface which makes the app easy to deal with. -
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Chronograf
Open source monitoring and visualization UI for the TICK stack
Chronograf allows you to quickly see the data that you have stored in InfluxDB so you can build robust queries and alerts. It is simple to use and includes templates and libraries to allow you to rapidly build dashboards with real-time visualizations of your data. Access control is only available in InfluxDB Enterprise and InfluxDB Cloud. Chronograf offers a complete dashboarding solution for visualizing your data. Over 20 pre-canned dashboards are available to allow you to get started very quickly. You can easily clone one of this pre-canned dashboard to create customized dashboards or build them from scratch — either way, you can build the perfect dashboard to fulfill your visualization needs! Chronograf is the administrative tool for all your InfluxData deployments, the open source instances of InfluxData as well as InfluxDB Enterprise and InfluxDB Cloud instances. -
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rudderstack
Privacy and Security focused Segment-alternative, in Golang
Quickly deploy flexible, powerful customer data pipelines, then send the data to your entire stack—without the engineering headache. Our complete toolset makes it easy to level-up your customer data stack. Spare your data engineers the headache. Our 180+ integrations, along with custom webhook sources and destinations, save data teams hundred of hours. Say goodbye to different versions of the truth. Our SDKs track anonymous and known users at the source and reconcile users in your warehouse and SaaS tools. Go beyond event streaming and control all of your customer data on your own terms. Learn how we can help you build a customer data platform. RudderStack treats your data warehouse as a first-class citizen among destinations, with advanced features and configurable, near real-time sync. RudderStack is built API-first. It integrates seamlessly with the tools that the developers already use and love. -
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The SignServer is an application for server side signatures called by other systems. It is flexible and can be customized to specific needs. The SignServer have a ready to use TimeStamp server and signers for PDF, XML, ODF, PGP, OOXML and MRTD (ePassport DS).
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MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
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This is a Hash Calculating tool that calculates MD2,MD5,SHA-1,SHA-256,SHA-384,SHA-512 hash of text or a file. This has GUI developed in java swings.All it needs is sun jre installed.
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IDA ClassInformer PlugIn
IDA Pro plug-in to fix/extract/view RTTI information
* April 2025: This project has moved to GitHub! The latest version can now be found at: https://github.com/kweatherman/IDA_ClassInformer_PlugIn. An IDA Pro Windows object RTTI vftable finder, fixer, and lister plug-in. Places structure defs, names, labels, and comments to make more sense of class and structure vftables ("Virtual Function Table"). Lists found RTTI structures and C++ classes in a window for browsing. Mentioned in Chris Eagle's: "The IDA Pro book": https://www.nostarch.com/idapro2.htm See: http://en.wikipedia.org/wiki/RTTI * July 2018, updated to IDA 7.1 Requires IDA Pro 7.1 or greater. To build you'll need MSVC 2017 and https://sourceforge.net/projects/ida-support-library/ -
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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.
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AQUATONE
A tool for domain flyovers
Aquatone is a tool for visual inspection of websites across a large amount of hosts and is convenient for quickly gaining an overview of HTTP-based attack surface. Aquatone is designed to be as easy to use as possible and to integrate with your existing toolset with no or minimal glue. Aquatone is started by piping output of a command into the tool. It doesn't really care how the piped data looks as URLs, domains, and IP addresses will be extracted with regular expression pattern matching. This means that you can pretty much give it output of any tool you use for host discovery. Aquatone is now completely focused on screenshotting and reporting. I know a lot of people used Aquatone for its DNS enumeration capabilities and it was definitely very good at that when it was released. Now other tools are doing a much better job of this, so I decided to leave it out of the new Aquatone, and instead make it easy to use it with your tool of choice. -
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Personal Management System
Your web application for managing personal data
It's easier to understand this web application when you think about a CMS (WordPress) or CRM (SugarCRM); the logic behind this system is very similar to those two. My PMS may offer fewer possibilities than those systems above, but it just does what I want it to do. Additionally, writing extensions is not too hard, depending on the logic required. Anyone with development knowledge can pretty much write their own extensions for personal needs. Keep a track of your personal goals. You can use tools to keep track of your goals progress or use the payments submodule to keep an eye of the money amount that you want to collect for something. Add any personal note to the desired category. Here, you can keep any small information that you need; it can be either quick notes from phone calls, a bunch of information collected all around different pages, or some links to things that you want to check somewhere later in the future.
