eclipse

Eclipse is a multi-language software development environment comprising an integrated development environment (IDE) and an extensible plug-in system. It is written mostly in Java and can be used to develop applications in Java and, by means of various plug-ins, other programming languages including Ada, C, C++, COBOL, Perl, PHP, Python, R, Ruby (including Ruby on Rails framework), Scala, Clojure, Groovy and Scheme. It can also be used to develop packages for the software Mathematica. Development environments include the Eclipse JDT (Java Development Toolkit) for Java, Eclipse CDT for C/C++, and Eclipse PDT for PHP, among others.

LibreOffice

LibreOffice is a productivity suite that is compatible with other major office suites(MS Office and StarOffice), and available on a variety of platforms. It is freesoftware and therefore free to download, use and distribute.

Bluefish

Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites

Kdenlive

Kdenlive is an intuitive and powerful multi-track video editor includingmost recent video technologies.

GNS3

GNS3 is a graphical network simulator that allows simulation of complex networks. To allow complete simulations, GNS3 is strongly linked with:
* Dynamips, the core program that allows Cisco IOS emulation.
* Dynagen, a ext-based front-end for Dynamips.
* Pemu, a Cisco PIX firewall emulator based on Qemu.

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