Random Signature Changer
RSC helps you change your mail signature. All you have to do is set up one or several signature database files containing the text you want to use as your signatures, and RSC sets them for you automatically. You can either choose which signature you want to set manually, or you can (as the name... Additionally you can let it change your signature every x minutes. ... This program should work with most email clients, as long as the client supports reading signatures from an external text file. ... It can also set the song currently playing in Winamp as your signature.
http://www.dfg-crew.com/files/rsc-1.5.zip - 231Kb - Download - Screenshot

Multilevel Digital Signature System for Enterprise
A facile and efficient digital signing system. Electronic file in any format can be signed by many persons, dependency relationship between different signatures can be build, signer's advises can be involved in the signature. RSA key (1024 bits) ensures signature safety and dynamic transport... Records all valid signatures and all wrong logins (existent username but wrong password) for user auditing.
http://www.wdssoft.com/12ab34cd/MDSS_setup_1_1_1_eval_en.rar - 16Mb - Download - Screenshot

Weather Signature
WeatherSig is a fun tool that allows you to display your city weather conditions in your email signature for many popular mail programs. Your signature can be inserted manually or automatically into outgoing messages for Outlook Express, Mozilla Thunderbird and more. ... If you leave our "Created By WeatherSig" line in your signature, most people will see your new weather signature and realize this is something cool and download it before you have a chance to tell them about it. ... Operates with all email clients Integrated signature creator, no skills required!
http://www.weathersig.com/files/weathersig-setup.exe - 2Mb - Download - Screenshot

Auto Signature
* Auto Signature - Free marketing, random famous quote or funny joke tool for Outlook Express* Data Plus Auto Signature is a free software tool that gives extra functionality to your mailing program by adding jokes, quotations or html marketing text on a random basis to an email signature file. ... The software was designed for, set up and tested on Microsoft Outlook Express, but may work on other email clients able to attach an external signature file to it's outgoing mail. ...   Typically you will use it to: Make your emails more interesting by adding random proverb, funny quotes,...
http://www.dataplus.co.za/downloads/asSetup21.exe - 4Mb - Download - Screenshot

MakeGIF
MakeGIF helps you to create GIF-file from command line in batch mode. This program is visual command line processor. You can use pictures created by MS Paint, Adobe Photoshop and dozens of others programs. MakeGIF has optimization tools for making your GIFs smaller. ... Program features: - creates GIF - files from images in BMP, JPEG (JPG), GIF, ICO, PSD, PNG, TGA, PCX, WMF, EMF - formats; - edits, deletes and moves any image in the list of images; - defines animation parameters: number of loops for GIF - file and delay for each image; - defines offset, transparency, interlacing, method...
http://www.easyimagetools.com/products/makegif/makegif.zip - 742Kb - Download - Screenshot

MP3 Virtual CD
The MP3 Virtual CD can convert many MP3 songs into an independent Virtual CD file. and the Virtual CD could be opened automatically without the need of using any MP3 player software. you can also categorize your music into CDs according to their music style, artists or year of release. ... once your friends receive the Virtual CD, your signature and message will be automatically displayed. ... Furthermore, you can personalize your Virtual CD with your very own signature or even leave a message in it and send them on e-mail to your friends.
http://www.xy2008.net/soft/mp3virtualcd.exe - 410Kb - Download - Screenshot

Email CHAOS
With E-mail CHAOS you can protect the privacy of your e-mail messages, files and folders by encrypting them so that only the intended recipients can read them. You can also digitally sign messages and files, which ensures their authenticity. When someone sends you e-mail with their digital...
http://www.safechaos.net/DEMO/ec.exe - 420Kb - Download - Screenshot

Repellent
Repellent can solve all your email and Internet virus worries with the click of a button, you can disable all VB and Java applets and scripting, as well as all Registry files. These are the viruses and worms that your virus scanner is trying to find and kill. ... And to ensure that an Active Server page (asp file) cannot re-enable them by editing the Registry, Repellent also disables the files that run the scripting. ... Repellent does not need to know the signature. ... A virus scanner can miss a new virus because it does not know the signature yet.
http://www.easydesksoftware.com/zips/Repel.zip - 2Mb - Download - Screenshot

pdfMachine Signer
pdfMachine Signer is the easy way to digitally sign your PDF files. Simply, quickly and lowpriced , Sending 1 to 1 signed copies of a document. It's never been so easy to send documents. Print your document simply through our pdfMachine (printer driver) and your email program will open... - Set the signature appearance including images, reason, location, dates and signature details. ... - Or leave the signature invisible. ... - Drag the signature to any position on the page. ... - Have your selected signature automatically applied to PDF's you produce.
http://www.broadgun.de/pad/pdfmachinede.exe - 5Mb - Download - Screenshot

Signit
Create small (~40Kb) self-checking signature (exe-file) for folder contents. Based on SHA-1. Allows receive list of modified and removed files.
http://www.softcomplete.com/download/cleanold.zip - 128Kb - Download