Tanks of Freedom is a free and open source indie turn based strategy game for Linux, Windows, MacOS, FreeBSD and Android. This game is based on Godot Engine and in isometric pixel art visuals. It is released under open source MIT license. You can create game maps using build-in map editor. You can fight yourself in campaign against AI or play with you friends.
Obsidian is a free Markdown editor for Linux, MacOS and Windows. You can use Obsidian as note taking and Knowledge Base application. It is free for personal use and no signup required. All data are stored in your local system in plain text Markdown files. But you can sync that files with Dropbox. You can extend its feature with plugins. It supports Git versioning, Internal link, Graph view, Audio recorder, LaTeX math, Slides, Backlinks and word counts. It is still in beta stage and active development.
FOSStriangulator is a free and open source triangulated illustrations maker for Linux and Windows. It is released under open source GNU General Public License. It is based on Concept Farm’s Image Triangulator code. Using this you can triangulate any image in this application. This is a simple and easy to use application. It is still in early days. You can save your triangulated image in pdf file format. The level of abstraction you get depends on the amount of points you plot on your image.
Geeqie is a free and open source image viewer and image organizer for Linux, BSD, MacOS and Solaris. It is a fork of another popular image viewer GQview. You can view all image metadata and Exif/IPTC/XMP data from image. It also supports colour histograms and image tags, keywords and comments options. Some other useful features are OpenStreetMap map for GPS coordinates in image, Zoom, Thumbnails, caching, File grouping, Drag and drop, Collections, image rating, build-in duplicate finder.
Le Biniou is a free and open source sound visualization and VJing software for Linux and BSD. Using this you can produce various graphic effects, depending on a source input. You can use the audio from you system soundcard or you can use the recorded audio. It comes with integrated On Screen Display (OSD) and the news version also comes with a web interface. It is released under GPL-2.0+ license.
NTag is a free and open source audio file tag editor for Linux and Windows. Using NTag you can view and edit tags in any audio files. It supports MP3, MP4,M4A, M4B, FLAC, OGG and WMA audio file formats. You can use ID3v1.1, ID3v2.3, ID3v2.4, MP4, ASF and Vorbis Comment tag formats to edit. Some other important features are batch editing, rename files based on the tag and Filter files by missing data.
Cosmonium is a free and open source 3D astronomy and space exploration software for Windows, Linux and MacOS. You can use this program to visit our solar system with all planets and their moons. You can also visit the neighboring stars, galaxy and the Universe.
It is also support Celestia addons. It is also provides HD and the UHD images via additional package download. It is written in python and and released under GPL-3.0 License. Some other similar type of applications are Winstars and Stellarium
Luminance HDR is a free and open source HDR Image editing software for Linux. Using this you can manipulate high dynamic range (HDR) images. It supports OpenEXR, Radiance RGBE, Tiff formats: 16bit, 32bit (float) and LogLuv, Raw image formats, PFS native format HDR formats. It is based on Qt5 framework and released under GPL-2.0 License. You can create an HDR file from a set of images of the same scene taken at different exposure setting. It comes with Save,load,Rotate,resize,Tonemap HDR files support.
Detwinner is a free and open source duplicate file remover application. Using this you can find and remove duplicate files and similar images. It increases the free space on your system. You can filter files in two modes Exact duplicates and Similar images. It is released under GPL-3.0 License.
FIGlet is a small command-line tool. Using this you can generate ASCII text banners and large letters from the terminal text. TOIlet is also a command-line tool and using this you can generate colorful large characters from your terminal text. In this article you will see how to install and use FIGlet and TOIlet on Ubuntu.
