Unix

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Genius

Full Description: 

Genius is a general purpose calculator program similar in some aspects to BC, Matlab, Maple or Mathematica. It is useful both as a simple calculator and as a research or educational tool. The syntax is very intuitive and is designed to mimic how mathematics is usually written.

Dual N-Back Lite

Full Description: 

A simple dual n-back trainer. Designed to mimic the simple training scheme outlined in Jaeggi's paper on developing working memory.

GraphicsMagick

Full Description: 

GraphicsMagick is the swiss army knife of image processing.

GraphicsMagick supports huge images and has been tested with gigapixel-size images. GraphicsMagick can create new images on the fly, making it suitable for building dynamic Web applications. GraphicsMagick may be used to resize, rotate, sharpen, color reduce, or add special effects to an image and save the result in the same or different image format. Image processing operations are available from the command line, as well as through C, C++, Lua, Perl, PHP, Python, Tcl, Ruby, Windows .NET, or Windows COM programming interfaces.

General purpose graphics converter. Can convert PDF pages to images. Resizes images, makes them transparent and includes a number of other functions.

Mostly command line, but there are some X11 GUI tools included.

NetRider

Full Description: 

If you're looking for the most lightweight browser based on a modern web engine, this is it. Since it's based on webkit, it provides support for modern web technologies such as JavaScript, SVG, AJAX, etc.

Includes the WKCCC shared library for embedding WebKit. You can create your own front ends for WKCCC using any screen library you prefer (FLTK, SDL, etc.) or use it with command line applications. You can also convert web pages to graphics with it. WKCCC includes a command line version of JavaScript that can be used for cross-platform scripting or other purposes.

OpenSCAD

Full Description: 

Software for creating solid 3D CAD objects. Unlike other 3D model creation software it focuses on the CAD aspects. Use it to create 3D models of machine parts. OpenSCAD provides two main modelling techniques. It offers constructive solid geometry (aka CSG) and extrusion of 2D outlines. It can read DXF, STL and OFF files.

There's also an Android version ( http://scorchworks.com/ScorchCAD/scorchcad.html ).

Pidgin

Full Description: 

Keep all of your instant messenger buddy lists in one place and speak to buddies from any one of those lists all at the same time. Compatible with popular messenger programs like Yahoo and Google Talk. Functions like any other instant messenger program and has all of the same features.

TestDisk

Full Description: 

It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.

TestDisk can

  • Fix partition table, recover deleted partition
  • Recover FAT32 boot sector from its backup
  • Rebuild FAT12/FAT16/FAT32 boot sector
  • Fix FAT tables
  • Rebuild NTFS boot sector
  • Recover NTFS boot sector from its backup
  • Fix MFT using MFT mirror
  • Locate ext2/ext3/ext4 Backup SuperBlock
  • Undelete files from FAT, exFAT, NTFS and ext2 filesystem
  • Copy files from deleted FAT, exFAT, NTFS and ext2/ext3/ext4 partitions.

svg-edit

Full Description: 

SVG-edit is a fast, web-based, JavaScript-driven SVG editor that works in any modern browser.

CWM Draw Tool, alternative interface for svg-edit, available at:
http://code.google.com/p/cwm-drawtool/

qpdf

Full Description: 

QPDF is a command-line program that does structural, content-preserving transformations on PDF files. QPDF is capable of creating linearized (also known as web-optimized) files and encrypted files. It is also capable of converting PDF files with object streams (also known as compressed objects) to files with no compressed objects or to generate object streams from files that don't have them (or even those that already do). QPDF also supports a special mode designed to allow you to edit the content of PDF files in a text editor. QPDF includes support for merging and splitting PDFs through the ability to copy objects from one PDF file into another and to manipulate the list of pages in a PDF file. The QPDF library also makes it possible for you to create PDF files from scratch. In this mode, you are responsible for supplying all the contents of the file, while the QPDF library takes care off all the syntactical representation of the objects, creation of cross references tables and, if you use them, object streams, encryption, linearization and other syntactic details.

Java Stencil Report

Full Description: 

Java Stencil Report is a tool that makes writing grades, students evaluations, and school reports faster. A set of pre-defined sentences speeds up the writing process. It has a small vector graphics editor for creating a fully customizable print model, which allows you to print over any kind of school report format, but also export to PDF or PostScript. It is designed for schools, but can be used to write any kind of judgement.

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