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  1. Greenshot is a light-weight screenshot tool optimized for productivity with Optical Character Recognition (OCR) support.
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    • FreeOpen Source
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    Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.


  2. Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across many industries and educational institutions.
  3. UNetbootin (Universal Netboot Installer) is a cross-platform utility that can load Linux and other distributions to a partition or USB drive.
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  4. PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.
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  5. FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. It supports the most obscure ancient formats up to the cutting edge.
  6. PeaZip is free file archiver utility, based on Open Source technologies of 7-Zip, p7zip, FreeArc, PAQ, and PEA projects.
  7. Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps.
  8. With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.
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  9. Bulk Crap Uninstaller (in short BCUninstaller or BCU) is a free (as in speech and beer) bulk program uninstaller with advanced automation. It excels at removing large amounts of applications with minimal to no user input, while requiring next to no technical knowledge.
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  10. Godot is a fully featured, open source, MIT licensed game engine. It focuses on having great tools, and a visual oriented workflow that can export to PC, Mobile and Web platforms. It is a cross-platform 2D and 3D game engine and game development IDE.
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  11. This application provides display and control of Android devices connected on USB and WiFi. It does not require any root access. It works on GNU/Linux, Windows and MacOS.
  12. LMMS is a free cross-platform alternative to commercial programs like FL Studio , which allow you to produce music with your computer.
  13. Raindrop.io saves not just bookmarks but associated content depending on page type. Supports articles, photos, videos, presentations, website screenshots and more. Supports all your favorite sites