Opensource alternative

Easy sign a pdf in linux also visually

"Raph Koster points us to a useful piece of kit: OGLE, the OpenGL Extractor, is a tool for extracting 3D models from OpenGL applications. By sitting between the application and the OpenGL library, OGLE can effectively take 3D screenshots--and the possibilities for gaming are immense. "

Awesome-Hacking-Resources - A collection of hacking / penetration testing resources to make you better!

A list of awesome applications, software, tools and other materials for Linux distros.

"Easily Convert Bitmap Images To Clean Vector ArtQuickly get your artwork ready to print, embroider, cut, and more with the world's best auto-tracer!"

Software trends and tools online

"Etherpad allows you to edit documents collaboratively in real-time, much like a live multi-player editor that runs in your browser. Write articles, press releases, to-do lists, etc. together with your friends, fellow students or colleagues, all working on the same document at the same time."

"The freeware can be started from the context menu of a folder or drive and shows you the size of this folder, including its subfolders in an Explorer-like fashion. Large folders can be identified at a glance thanks to the gradient bar displayed in the background. All scan results can be drilled down to file level and filters, e.g. for files of a certain type, can be applied. TreeSize Free will even scan smartphones and mobile devices."

"SpaceMonger is a tool for keeping track of the free space on your computer. Each file or folder on a given drive is displayed in a box in the main window whose size is a relative comparison to all the other files in your system."

"TinyResMeter is a small tool that displays useful information about system resources in real time, but it also gives much more detail when you right-click on the displayed fields !"

"Virtual CloneDrive works and behaves just like a physical CD/DVD/Blu-ray drive, however it exists only virtually."Supports common image formats such as ISO, BIN, CCDSupports up to 8 virtual drives at the same time

"Lets you resize images by right-clicking."

"When you create or open a font, FontCreator displays an overview of all available characters. You can simply add missing characters, or select an existing character, and modify its appearance. You can import (scanned) images of your signature or company logo, or make a font from your own handwriting. With FontCreator you can also fix character codepoints, font names, kerning pairs, and at all times you can preview your typefaces before installing."

Process Explorer, also known as procexp.exe, shows you information about which handles and DLLs processes have opened or loaded.

WinDirStat is a disk usage statistics viewer and cleanup tool for various versions of Microsoft Windows.

Useful site to check if your email addresses and usernames have been compromised.