added mupdf , grub customizer, bastet, packman4console, add education section, google earth, matlab, stellarium , GnuKhata, Opensis, Gcompris, Italc, KDE edu suit, tux4kids, celestia, epoptes, Gbrainy,Basket Note Pads,Bibletime, moodle, chemtool, maxima, gperiodic, openEuclide, blueJ, scratch, maple, add 1 contributor.

README.md

@@ -21,6 +21,7 @@
     - [Development](#development)
     - [E-Book Utilities](#e-book-utilities)
     - [Editors](#editors)
+    - [Education](#education)
     - [Email Utilities](#email)
     - [File Manager](#file-manager)
     - [Games](#games)
@@ -60,7 +61,7 @@
 - [Hydrogen](http://www.hydrogen-music.org/hcms/node/21) - Advanced drum machine for GNU/Linux. ![Freeware][Freeware Icon]
 - [KxStudio](http://kxstudio.linuxaudio.org/) - KXStudio is a collection of applications and plugins for professional audio production.![Freeware][Freeware Icon]
 - [K3b](http://www.k3b.org/) - K3b - The CD/DVD Kreator for Linux - optimized for KDE.[![Open-Source Software][OSS Icon]](https://github.com/KDE/k3b)![Freeware][Freeware Icon]
-- [Kit3Qt](https://apps.ubuntu.com/cat/applications/precise/kid3-qt/) - Edit tags of multiple files, e.g. the artist, album, year and genre of all mp3 files of an album.![Freeware][Freeware Icon]
+- [Kid3Qt](https://apps.ubuntu.com/cat/applications/precise/kid3-qt/) - Edit tags of multiple files, e.g. the artist, album, year and genre of all mp3 files of an album.![Freeware][Freeware Icon]
 - [Let's make music](https://lmms.io/download/#linux) - Making music on your PC by creating melodies and beats, synthesizing and mixing sounds, arranging samples and much more. ![Freeware][Freeware Icon] 
 - [Mixxx](http://www.mixxx.org/download/) - Free DJ software that gives you everything you need to perform live mixes, veritable alternative to Traktor. [![Open-Source Software][OSS Icon]](https://github.com/mixxxdj/mixxx) ![Freeware][Freeware Icon]
 - [SoundJuicer](http://www.howtogeek.com/howto/20126/rip-audio-cds-with-sound-juicer/) - CD Ripping tool for GNOME ![Freeware][Freeware Icon] 
@@ -110,6 +111,7 @@
 - [Android studio](https://developer.android.com/studio/index.html) -The Official IDE for Android : Android Studio provides the fastest tools for building apps on every type of Android device.![Freeware][Freeware Icon]
 - [Atom](https://atom.io/) - Hackable text editor for the 21st century. [![Open-Source Software][OSS Icon]](https://github.com/atom/atom) ![Freeware][Freeware Icon]
 - [Arduino IDE](https://www.arduino.cc/en/Main/Software) - The open-source Arduino Software (IDE) makes it easy to write code and upload it to the board. ![Freeware][Freeware Icon]
+- [BlueJ](http://bluej.org/) - A free Java Development Environment designed for beginners, used by millions worldwide.![Freeware][Freeware Icon]
 - [Code::Blocks](http://www.codeblocks.org/) - Code::Blocks is a free C, C++ and Fortran IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. ![Freeware][Freeware Icon]
 - [Codelite](http://codelite.org/) - A Free, open source, cross platform C,C++,PHP and Node.js IDE. ![Freeware][Freeware Icon]
 - [Eclipse](https://eclipse.org/ide/) - Eclipse is famous for our Java Integrated Development Environment (IDE), but our C/C++ IDE and PHP IDE are pretty cool too![Freeware][Freeware Icon]
@@ -143,6 +145,7 @@
 - [FBReader](https://fbreader.org/content/fbreader-beta-linux-desktop) - One of the most popular eReader apps. ![Freeware][Freeware Icon]
 - [Lucidor](http://www.lucidor.org/lucidor/) - Lucidor is a computer program for reading and handling e-books. Lucidor supports e-books in the EPUB file format, and catalogs in the OPDS format. ![Freeware][Freeware Icon]
 - [MasterPDF editor](https://code-industry.net/free-pdf-editor/) - Master PDF Editor a convenient and smart PDF editor for Linux.![Freeware][Freeware Icon]
+- [MuPDF](http://mupdf.com/) - a lightweight PDF and XPS viewer. [![Open-Source Software][OSS Icon]](http://git.ghostscript.com/?p=mupdf.git;a=summary) ![Freeware][Freeware Icon]
 - [Okular](https://okular.kde.org/) - Okular is a universal document viewer based developed by KDE. Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc.![Freeware][Freeware Icon]
 - [Sigil](https://github.com/Sigil-Ebook/Sigil) - Sigil is a multi-platform EPUB ebook editor.[![Open-Source Software][OSS Icon]](https://github.com/Sigil-Ebook/Sigil) ![Freeware][Freeware Icon]
 
@@ -160,6 +163,26 @@
 - [VSCode](https://code.visualstudio.com) - Visual Studio Code is a lightweight but powerful source code editor which runs on your desktop and is available for Windows, OS X and Linux. It comes with built-in support for JavaScript, TypeScript and Node.js and has a rich ecosystem of extensions for other languages (C++, C#, Python, PHP) and runtimes.![Freeware][Freeware Icon]
 - [Vim](www.vim.org/download.php) -Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a more complete feature set. It's useful whether you're already using vi or using a different editor. [![Open-Source Software][OSS Icon]](https://github.com/vim/vim)![Freeware][Freeware Icon]
 
+### Education
+- [BibleTime](http://bibletime.info/) - BibleTime is a Bible study application based on the Sword library and Qt toolkit. [![Open-Source Software][OSS Icon]](https://github.com/bibletime/bibletime)![Freeware][Freeware Icon]
+- [Celestia](http://celestiaproject.net/) - The free space simulation that lets you explore our universe in three dimensions.[![Open-Source Software][OSS Icon]](https://sourceforge.net/projects/celestia/files/Celestia-source/1.6.1/celestia-1.6.1.tar.gz/download)![Freeware][Freeware Icon]
+- [Chemtool](http://ruby.chemie.uni-freiburg.de/~martin/chemtool/) - Chemtool is a small program for drawing chemical structures on Linux. [![Open-Source Software][OSS Icon]](https://github.com/opp11/chemtool/blob/master/README.md)![Freeware][Freeware Icon]
+- [Epoptes](http://www.epoptes.org/) - An open source computer lab management and monitoring tool. [![Open-Source Software][OSS Icon]](https://code.launchpad.net/epoptes)![Freeware][Freeware Icon]
+- [Gcompris](http://gcompris.net/index-en.html) - GCompris is a high quality educational software suite comprising of numerous activities for children aged 2 to 10.[![Open-Source Software][OSS Icon]](http://gcompris.net/wiki/Developer%27s_corner)![Freeware][Freeware Icon]
+- [GNUKhata](http://www.gnukhata.in/) - Open source accounting software. [![Open-Source Software][OSS Icon]](https://github.com/kinitrupti/GNUKhata)![Freeware][Freeware Icon]
+- [Google Earth](https://itsfoss.com/install-google-earth-ubunu/) - Google Earth is a virtual globe, map and geographical information program.![Freeware][Freeware Icon]
+- [GPeriodic](http://gperiodic.seul.org/) - GPeriodic is a periodic table application for Linux.![Freeware][Freeware Icon]
+- [ITalc](https://github.com/iTALC/italc/releases) - iTALC is a use- and powerful didactical tool for teachers. It lets you view and control other computers in your network in several ways. [![Open-Source Software][OSS Icon]](https://github.com/iTALC/italc)![Freeware][Freeware Icon]
+- [KDE Edu Suite](https://edu.kde.org/) - Free Educational Software based on the KDE technologies.![Freeware][Freeware Icon]
+- [MAPLE](http://www.maplesoft.com/products/maple/) - Maple is math software that combines the world's most powerful math engine with an interface that makes it extremely easy to analyze, explore, visualize, and solve mathematical problems.![Freeware][Freeware Icon]
+- [MATLAB](http://www.mathworks.com/products/matlab/?requestedDomain=www.mathworks.com) - The MATLAB platform is optimized for solving engineering and scientific problems. MATLAB helps you take your ideas beyond the desktop. You can run your analyses on larger data sets and scale up to clusters and clouds. 
+- [Maxima](http://maxima.sourceforge.net/) - Maxima is a system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, ....  [![Open-Source Software][OSS Icon]](http://maxima.sourceforge.net/project.html)![Freeware][Freeware Icon]
+- [Moodle](https://download.moodle.org/) - Course management system for online learning.[![Open-Source Software][OSS Icon]](https://github.com/moodle/moodle)![Freeware][Freeware Icon]
+- [OpenEuclid](http://coulon.publi.free.fr/openeuclide/) - OpenEuclide is a 2D geometry software: figures are defined dynamically by describing formal geometrical constraints.![Freeware][Freeware Icon]
+- [OpenSIS](http://www.opensis.com/home) - School management software. 
+- [Scratch](https://scratch.mit.edu/) - With Scratch, you can program your own interactive stories, games, and animations — and share your creations with others in the online community.![Freeware][Freeware Icon]
+- [Stellarium](http://www.stellarium.org/) - Stellarium is a free open source planetarium for your computer.[![Open-Source Software][OSS Icon]](https://sourceforge.net/p/stellarium/code/HEAD/tree/)![Freeware][Freeware Icon]
+- [Tux4Kids](http://tux4kids.alioth.debian.org/) - Tux4Kids develops high-quality software for kids, with the goal of combining fun and learning into an irresistable package. [![Open-Source Software][OSS Icon]](http://tux4kids.alioth.debian.org/dev.php)![Freeware][Freeware Icon]
 
 ### Email
 - [Evolution](https://wiki.gnome.org/Apps/Evolution/) - Evolution is a personal information management application that provides integrated mail, calendaring and address book functionality. ![Freeware][Freeware Icon]
@@ -185,6 +208,7 @@
 - [Civilization5](http://www.civilization5.com/) - Sid Meier’s Civilization® is recognized as one of the greatest strategy franchises of all-time.
 - [Cockatrice](https://cockatrice.github.io/) - Cockatrice is an open-source multiplatform supported program for playing tabletop card games over a network.[![Open-Source Software][OSS Icon]](https://github.com/Cockatrice) ![Freeware][Freeware Icon]
 - [Desura](http://www.desura.com/about) - Desura is a community driven digital distribution service for gamers, putting the best games, mods and downloadable content from developers at gamers fingertips, ready to buy and play. 
+- [GBrainy](https://wiki.gnome.org/action/show/Apps/gbrainy?action=show&redirect=gbrainy) - Gbrainy is a brain teaser game and trainer to have fun and to keep your brain trained. [![Open-Source Software][OSS Icon]](https://wiki.gnome.org/action/show/Apps/gbrainy?action=show&redirect=gbrainy#Source_code) ![Freeware][Freeware Icon]
 - [Minecraft](https://minecraft.net/en/download/?ref=m) - Minecraft is a game about placing blocks and going on adventures. Explore randomly generated worlds and build amazing things from the simplest of homes to the grandest of castles.![Freeware][Freeware Icon]
 - [PlayOnLinux](https://www.playonlinux.com/en/) - Play Windows Game on Linux. [![Open-Source Software][OSS Icon]](https://github.com/PlayOnLinux/POL-POM-4) ![Freeware][Freeware Icon]
 - [Simutrans](https://www.simutrans.com/en/) - Simutrans is a freeware and open-source transportation simulator. [![Open-Source Software][OSS Icon]](https://www.simutrans.com/en/develop/) ![Freeware][Freeware Icon]
@@ -230,6 +254,7 @@
 ### Productivity
 - [Ambient Noise](https://itsfoss.com/ambient-noise-music-player-ubuntu/) - Install ambient noise for extra focus on Linux![Freeware][Freeware Icon]
 - [Autokey](https://code.google.com/archive/p/autokey/) - A desktop automation utility for Linux allows you to manage collection of scripts and phrases, and assign abbreviations and hotkeys to these. ![Freeware][Freeware Icon]
+- [Basket Note Pads](http://basket.kde.org/) - This multi-purpose note-taking application helps you to easily take all sort of notes. [![Open-Source Software][OSS Icon]](http://basket.kde.org/svnaccess.php) ![Freeware][Freeware Icon] 
 - [Brightness](https://launchpad.net/indicator-brightness) - Brightness indicator for ubuntu. ![Freeware][Freeware Icon]
 - [SpeedCrunch](http://www.speedcrunch.org/) - A nice, opensouce, high-precision scientific calculator. [![Open-Source Software][OSS Icon]](http://www.speedcrunch.org/) ![Freeware][Freeware Icon] 
 - [California](https://wiki.gnome.org/Apps/California) - Complete Calendar app replacement which uses natural language for creating events.![Freeware][Freeware Icon]
@@ -345,11 +370,13 @@
 ### Others
 
 - [Fail2ban](http://www.fail2ban.org/wiki/index.php/Main_Page) - Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc.![Freeware][Freeware Icon]
+- [GrubCustomizer](https://launchpad.net/grub-customizer) - Grub Customizer is a graphical interface to configure the GRUB2/BURG settings and menuentries. [![Open-Source Software][OSS Icon]](https://code.launchpad.net/grub-customizer) ![Freeware][Freeware Icon]
 - [Mycroft](https://github.com/MycroftAI/mycroft-core) - A.I. for everyone [![Open-Source Software][OSS Icon]](https://github.com/MycroftAI/mycroft-core) ![Freeware][Freeware Icon]
 
 ## Command Line Utilities
-
+- [Bastet](https://github.com/fph/bastet) - Play Tetris in commandline.[![Open-Source Software][OSS Icon]](https://github.com/fph/bastet)![Freeware][Freeware Icon]
 - [Fishfry](https://github.com/LubuntuFu/fishfry) - replaces fish history with a history tailored to pentesters for efficency and newbie pentesters for learning.[![Open-Source Software][OSS Icon]](https://github.com/LubuntuFu/fishfry)![Freeware][Freeware Icon]
+- [Pacman4console](https://launchpad.net/ubuntu/+source/pacman4console) - Play Pacman game in console.[![Open-Source Software][OSS Icon]](https://github.com/alexdantas/pacman4console.debian)![Freeware][Freeware Icon]
 - [Tmux](https://tmux.github.io/) - It lets you switch easily between several programs in one terminal, detach them (they keep running in the background) and reattach them to a different terminal. And do a lot more.[![Open-Source Software][OSS Icon]](https://github.com/tmux/tmux)![Freeware][Freeware Icon]
 - [Top 10 command line tools](http://lifehacker.com/399468/top-10-command-line-tools)
 
@@ -415,7 +442,8 @@
  6. [lasseborly](https://github.com/lasseborly)
  7. [sebasspf](https://github.com/sebasspf)
  8. [buivnhai](https://github.com/buivnhai)
- 9. *Everyone @ reddit.com/r/linux & reddit.com/r/ubuntu & vozforums.com for many suggestions and compliments*
+ 9. [ank91](https://github.com/ank91)
+ 10. *Everyone @ reddit.com/r/linux & reddit.com/r/ubuntu & vozforums.com for many suggestions and compliments*
  ...
 
  (*The list above is updated on 8th July 2016*)