Open Source & Freebies

This page is to prove that it is very possible to start with zero software licences. Perfect for under-budget IT department

VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files, and various streaming protocols https://www.videolan.org/ 

Krita is a professional FREE and open source painting program.  https://krita.org/en/ 

Open Suse https://www.opensuse.org/ 

VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. 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) https://www.virtualbox.org/ 

An open-source, Debian-based Linux distribution geared towards various information security tasks, such as Penetration Testing, Security Research, Computer Forensics and Reverse Engineering. https://www.kali.org/ 

OpenPGP is the most widely used email encryption standard. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) as a Proposed Standard in RFC 4880. OpenPGP was originally derived from the PGP software, created by Phil Zimmermann. https://www.openpgp.org/ 

GIMP is a cross-platform image editor available for GNU/Linux, macOS, Windows and more operating systems. It is free software, you can change its source code and distribute your changes. https://www.gimp.org/ 

Python is developed under an OSI-approved open source license, making it freely usable and distributable, even for commercial use. https://www.python.org/ 

Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems.

Audacity is free, open source software. https://www.audacityteam.org/ 

LibreOffice is Free and Open Source Software. LibreOffice is a free and powerful office suite, and a successor to OpenOffice.org (commonly known as OpenOffice). Its clean interface and feature-rich tools help you unleash your creativity and enhance your productivity. https://www.libreoffice.org/ 

Weka is a collection of machine learning algorithms for data mining tasks. It contains tools for data preparation, classification, regression, clustering, association rules mining, and visualization. Weka is open source software issued under the GNU General Public License. https://www.cs.waikato.ac.nz/ml/weka/ 

Autopsy is the premier end-to-end open source digital forensics platform. Built by Basis Technology with the core features you expect in commercial forensic tools, Autopsy is a fast, thorough, and efficient hard drive investigation solution that evolves with your needs. https://www.autopsy.com/ 

Open source memory forensics with The Volatility Framework. https://www.volatilityfoundation.org/ 

Inkscape is a Free and open source vector graphics editor for GNU/Linux, Windows and macOS.  https://inkscape.org/ 

TeamViewer is a comprehensive remote access, remote control and remote support solution that works with almost every desktop and mobile platform, including Windows, macOS, Android, and iOS. TeamViewer lets you remote in to computers or mobile devices located anywhere in the world and use them as though you were there. https://www.teamviewer.com/ 

ExifTool is a platform-independent Perl library plus a command-line application for reading, writing and editing meta information in a wide variety of files. ExifTool supports many different metadata. https://exiftool.org/ 

Free and open source software for video recording and live streaming. https://obsproject.com/ 

Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share research. https://www.zotero.org/ 

(Low Orbit Ion Canon) Security Stress Testing. https://sourceforge.net/projects/loic/ 

XOIC is another nice DoS attacking tool.  http://sourceforge.net/projects/xoic/ 

Ophcrack is a free Windows password cracker based on rainbow tables. https://ophcrack.sourceforge.io 

Rrecord all screen and audio activity on your computer and create industry-standard AVI video files. https://camstudio.org/ 

Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information. https://maven.apache.org/index.html 

A Remote Desktop Software.  https://anydesk.com/en 

Platform for audio. https://www.winamp.com/player/ 

Java Platform, Standard Edition (Java SE) lets you develop and deploy Java applications on desktops and servers.  https://www.oracle.com/java/technologies/java-se-glance.html 

A free Java Development Environment designed for beginners, used by millions worldwide. https://www.bluej.org/ 

The ICANN registration data lookup tool gives you the ability to look up the current registration data for domain names and Internet number resources. The tool uses the Registration Data Access Protocol (RDAP) which was created as a replacement of the WHOIS (port 43) protocol.  https://lookup.icann.org/en 

PyCharm provides smart code completion, code inspections, on-the-fly error highlighting and quick-fixes, along with automated code refactorings and rich navigation capabilities.  https://www.jetbrains.com/pycharm/ 

Convert images to videos for free. Transform photos into videos with Adobe Express. Video editing is easy with this simple, intuitive interface. https://www.adobe.com/express/feature/video/convert/images-to-video 

MySQL is the world's most popular open source database. Whether you are a fast growing web property, technology ISV or large enterprise, MySQL can cost-effectively help you deliver high performance, scalable database applications. https://www.mysql.com/ 

Pandas is an open source, BSD-licensed library providing high-performance, easy-to-use data structures and data analysis tools for the Python programming language.

https://pandas.pydata.org/docs/index.html 

XAMPP is a completely free, easy to install Apache distribution containing MariaDB, PHP, and Perl. The XAMPP open source package has been set up to be incredibly easy to install and to use.  https://www.apachefriends.org/  

7-Zip is a file archiver with a high compression ratio. https://www.7-zip.org/ 

WinRAR products are considered the best and fastest compression tools on the market. RAR or Zip your files, to protect, organize and share them safely and securely. https://www.win-rar.com/ 

An open source technology stack for building diagramming applications, and the world’s most widely used browser-based end-user diagramming software. https://app.diagrams.net/ 

OpenCATS is the open source ATS that helps you manage your recruitment process. With its customizable platform, you can streamline your recruitment process, attract top talent, and ultimately find the perfect candidate for your organization. https://www.opencats.org/ 

A complete, cross-platform solution to record, convert and stream audio and video. https://ffmpeg.org/ 

A Free Professional Office Solution Across All Platforms. You can work and study anytime, anywhere, whether on a PC, tablet, or mobile phone. https://www.wps.com/