Xnview:
Free multi-format and multilingual graphics viewer and converter.
http://pagesperso-orange.fr/pierre.g/xnview/enhome.html
Features:
Import about 400 graphic file formats
Export about 50 graphic file formats
Multipage TIFF, Animated GIF, Animated ICO support
Image IPTC, EXIF metadata support
EXIF auto rotation support
IPTC editing
Resize, rotate, crop support
Lossless rotate & crop (jpeg) support
Adjust brightness, contrast...
Auto levels, contrast
Modify number of colors
Apply filters (blur, average, emboss, ...)
Apply effects (lens, wave, ...)
Fullscreen mode
Slide show with effects
Batch convert, batch rename
Create WEB page easily
Screen capture
Create contact Sheet
Create or edit Multi-page file (TIFF, DCX, LDF)
TWAIN & WIA support (Windows only)
Print support (Windows only)
Drag & Drop support (Windows only)
Compare image side by side
Filmstrip layout
44 languages support (Windows only)
Gimp:
Free professional image editor for Windows and Linux.
http://www.gimp.org/
Gimp forum with help, tutorials, plugins, art galleries:
http://www.gimptalk.com/forum/
Features:
# Painting
* Full suite of painting tools including Brush, Pencil, Airbrush, Clone, etc.
* Sub-pixel sampling for all paint tools for high quality anti-aliasing
* Extremely powerful gradient editor and blend tool
* Supports custom brushes and patterns
# System
* Tile based memory management so image size is limited only by available disk space
* Virtually unlimited number of images open at one time
# Advanced Manipulation
* Full alpha channel support
* Layers and channels
* Multiple Undo/Redo (limited only by diskspace)
* Editable text layers
* Transformation tools including rotate, scale, shear and flip
* Selection tools including rectangle, rounded rectangle, ellipse, free, fuzzy
* Foreground extraction tool
* Advanced path tool doing bezier and polygonal selections.
* Transformable paths, transformable selections.
* Quickmask to paint a selection.
# Extensible
* A Procedural Database for calling internal GIMP functions from external programs as in Script-fu
* Advanced scripting capabilities (Scheme, Python, Perl)
* Plug-ins which allow for the easy addition of new file formats and new effect filters
* Over 100 plug-ins already available
# Animation
* Load and save animations in a convenient frame-as-layer format
* MNG support
* Frame Navigator (in GAP, the GIMP Animation Package)
* Onion Skin (in GAP, the GIMP Animation Package)
* Bluebox (in GAP, the GIMP Animation Package)
# File Handling
* File formats supported include bmp, gif, jpeg, mng, pcx, pdf, png, ps, psd, svg, tiff, tga, xpm, and many others
* Load, display, convert, save to many file formats
* SVG path import/export
NoScript
http://noscript.net/
The NoScript Firefox extension provides extra protection for Firefox, Flock, Seamonkey and others mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank), and provides the most powerful Anti-XSS protection available in a browser.
AdBlock Plus
https://addons.mozilla.org/en-US/firefox/addon/1865
Firefox extension. Right-click on a banner and choose "Adblock" from the context menu - the banner won't be downloaded again. Maybe even replace parts of the banner address with star symbols to block similar banners as well. Or you select a filter subscription when Adblock Plus starts up the first time, then even this simple task will usually be unnecessary: the filter subscription will block most advertisements fully automatically.
Persistance Of Vision Raytracer (POV-Ray)
http://www.povray.org/
The Persistence of Vision Raytracer is a high-quality, totally free tool for creating stunning three-dimensional graphics. It is available in official versions for Windows, Mac OS/Mac OS X and i86 Linux.
LyX
Free professional document processor for windows and linux - the graphical version of LaTex.
http://www.lyx.org/
Features:
# Graphical User Interface that gives access to all functions via menus and mouse, as well as configurable keybindings
# Standard word processor operations, like cut/paste, multiple open documents, infinite undo/redo, spellchecking (uses ispell in the background)
# Different textclasses allow you to type letters, articles, books, movie scripts, LinuxDoc, slides. Also included are some textclasses for scientific societies, such as AMS, APS, IEEE, or specific journals like Astronomy and Astrophysics.
# Numbered section headings, table of contents (with hypertext functionality), nested lists (aka "outline mode")
# Interactive WYSIWYG math editor
# Support for writing documents in most European languages, as well as Right-to-Left languages like Hebrew and Arabic, including multi-lingual documents. CJK support is now also integrated.
# Postscript® figures, with rotation, scaling, and captions
# Interactive WYSIWYG tables
# Footnotes and margin notes
# Labels/references and bibliography (including BibTeX support)
# Access to all LaTeX functionality with plain-latex-style
# Import LaTeX. Export LaTeX, Postscript®, DVI, ASCII, HTML or send a fax
# Change tracking
# Branches for having more versions of the same document
# Unicode support
# Latex source code viewer
# Outliner mode, in which you can move chapters and sections around in the Table of Contents dialog
# SGML-tools support (both LinuxDoc and DocBook DTDs)
# Literate programming support, via the "noweb" tool.
# Menus, error messages, and keybindings are available in many languages
# Extensive documentation, including a beginner's tutorial. Some docs have been translated from English.
# Quite fast and no memory hog at all.
FilZip
FilZip is an archiving utility for Windows platforms.
It now supports about 15 archive types, like arj, cab, rar, tar, lha and many more.
http://www.softplatz.com/Soft/Utilit...on/Filzip.html
ArtRage Starter Edition
ArtRage is the easy to use, stylish painting package that lets you get painting from the moment you open it up. ArtRage 2.5 Starter Edition gives you 8 painting tools and lets you create, save, and print as many pictures as you like and doesn't limit their size.
http://www.ambientdesign.com/artragedown.html