Autopsy® is a digital forensics platform and graphical interface to The Sleuth Kit® and other digital forensics tools. It can be used by law enforcement, military, and corporate examiners to investigate what happened on a computer. You can even use it to recover photos from your camera's memory card.
CAINE (Computer Aided INvestigative Environment) is an Italian GNU/Linux live distribution created as a project of Digital Forensics.
CAINE represents fully the spirit of the Open Source philosophy, because the project is completely open, everyone could take the legacy of the previous developer or project manager. The distro is open source, the Windows side (Wintaylor) is open source and, the last but not the least, the distro is installable, so giving the opportunity to rebuild it in a new brand version, so giving a long life to this project ….
Capture-BAT Download Page
Capture BAT is a behavioral analysis tool of applications for the Win32 operating system family. Capture BAT is able to monitor the state of a system during the execution of applications and processing of documents, which provides an analyst with insights on how the software operates even if no source code is available. Capture BAT monitors state changes on a low kernel level and can easily be used across various Win32 operating system versions and configurations.
Command line tool to determine the relative "density" of a file.
This tool calculates density (like entropy) for files of a any file-system-path to finally output an accordingly descending ordered list. This makes it possible to quickly find (even unknown) malware on a potentially infected Microsoft Windows driven machine.
Image editing software.
GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.
GParted Live is a business card-size live CD distribution with a single purpose – to provide tools for partitioning hard disks in an intuitive, graphical environment.
GParted Live is a business card-size live CD distribution with a single purpose – to provide tools for partitioning hard disks in an intuitive, graphical environment. The distribution uses X.Org, the light-weight Fluxbox window manager, and the latest 2.6 Linux kernel. GParted Live runs on most x86 machines with a Pentium II or better.
Krita is a professional FREE and open source painting program. It is made by artists that want to see affordable art tools for everyone. concept art texture and matte painters illustrations and comics.
Linux Live USB is a great product for creating bootable USB devices to install Linux to. It will also pull down the appropriate Linux distro for you so you don't have to find it yourself.
Incredibly useful for creating "Live" Linux distros for forensic examinations or just Linux fun.
Nmap ("Network Mapper") is a free and open source (license) utility for network discovery and security auditing.
Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics.
The world's most advanced Open Source vulnerability scanner and manager.
OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.
Create virtual computers. Great for Linux and other uses.
VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2. See "About VirtualBox" for an introduction.
Presently, VirtualBox runs on Windows, Linux, Macintosh, and Solaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista, Windows 7, Windows 8), DOS/Windows 3.x, Linux (2.4, 2.6 and 3.x), Solaris and OpenSolaris, OS/2, and OpenBSD.
VirtualBox is being actively developed with frequent releases and has an ever growing list of features, supported guest operating systems and platforms it runs on. VirtualBox is a community effort backed by a dedicated company: everyone is encouraged to contribute while Oracle ensures the product always meets professional quality criteria.
Open Source Alternatives to other well know (and not so well known) software.
Find open source software alternatives to well-known commercial software. Our mission is to provide easy access to high quality open source alternatives to well-known commercial products. And remember that open source software is also a freeware alternative.
Paint.NET is free image and photo editing software for PCs that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools.
Swift is a powerful and intuitive programming language for macOS, iOS, watchOS and tvOS. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love.
Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions.