JonDo is a free, open-source and highly portable (Java-based) client software for accessing the JonDonym services. Its primary use is the anonymisation of web site requests against web site operators, internet providers and the anonymisation service Operators.

All requests of the web browser have to be processed by the JonDo program instead of accessing the internet directly. JonDo encrypts the data and sends it to the first Mix of a Mix Cascade. The first Mix then mixes the data with that of other users and sends it to the second mix station which passes it on to the third mix station which decrypts and sends the data through a cache proxy to the internet.

Each mix carries out cryptographic operations on the message so that the JonDo-encrypted data is only readable after having passed through the proper mixes in the proper order. This ensures that an eavesdropper either only receives unreadable (encrypted) data or can no longer determine the sender. In order for it to work correctly, only one mix in the cascade needs be trusted not to inform the eavesdropper about the method of message mixing. The more users that use the cascade, the harder it is for an observer to distinguish single users.

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Pickpick is a free program for graphic designers, home users and software developers.

after you start this progra, you can select one of the tool from the PicPick Tools trayicon menu when you want.

It features a powerful capture tool, image editor, color picker, color palette, pixel ruler, protractor, crosshair, whiteboard and etc. You can use all these tools freely.

FoxyProxy is a free firefox extension for proxy management tool.

features of “FoxyProxy”:

· Define which proxy to use (or none!) for arbitrary URLs using wildcards, regular expression and other conveniences
· Define multiple proxies
· No more wondering whether a URL loaded through a proxy or not: FoxyProxy includes an optional log of all URLs loaded, including which proxy was used (if any), which pattern was matched, timestamps, etc.
· Temporarily or permanently disable a proxy with the click of a button
· Out-of-the-box support for Tor – zero configuration
· Optional status bar information about which proxy is currently in use
· Full Proxy Auto-Config (PAC) support
· Unobtrusive presence, stable execution, premier support

TightVNC is a program for remote control derived from the popular VNC software.

With this program you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.

TightVNC features:

· Free, GPL-licensed, with full source code available;
· Useful in remote administration, remote customer support, education, and for many other purposes;
· Cross-platform, available for Windows and Unix, compatible with other VNC software;
· Well maintained and being actively developed.

With HFS you can send and also receive files ver HTTP. The use of web technology makes it more compatible and separates it from the classic file sharing utilities.

Here are some key features of “Portable HFS – HTTP File Server”:

· Download and upload
· Virtual file system
· Highly customizable
· HTML template
· Bandwidth control
· Easy/Expert mode
· Log
· Full control over connections
· Accounts
· Dynamic DNS updater