Barcode specifications:
VIS' Barcode Island
Russ Adam's Barcode1

Information about specific formats:
UCC/EAN-128 application identifiers - This web page provides a complete list of UCC/EAN-128 application identifiers (AI)
Vehicle identification numbers - This web page provides details about the formatting of vehicle identification numbers (VIN)

Barcode databases: - UPC codes searchable database - UPC lookup service with a Soap interface - UPC and EAN13 code lookup - ISBN searchable database - ISBN searchable database with integrated comparative shopping


Watermarking World - A mailing list targeted to the watermarking and steganography community. All posts are archived and searchable on the web site, which also offers general information and primers relevant to anyone interested in this field.
The information hiding homepage - A great collection of information made available by Fabien A. P. Petitcolas.


Shareware authors ressources:
Association of Shareware Professionals - The World's #1 Trade Organization for Independent Software Developers and Vendors

Shareware archives:
c|net - Reviews and free downloads
01-Download - Search engine dedicated to software. - Freeware, Shareware software download. - Your software download library.
Shareware Plaza - Buy software online.
DownloadTip - Shareware Site
Download Junction - Download Software, Freeware, Shareware, Games.
4 Software Downloads - Free Software Downloads, Shareware Software, Demo Software, Trial Software
Script FREEBIES - Very popular ever growing software and script download archive!
Euro Download - shareware and freeware download archive updated daily. - Shareware & Freeware Download Center.
Shareup Networks - Popular Software Download Archive.
Bob's Software Picks - Free software download for Windows. Includes audio programs, utilities, Internet, desktop, development software, and more. - PADRING: Always new software - Very popular ever growing software download archive!
PC Download World - The Internet collection of tested, rated and reviewed freeware, shareware, demos, and trial software.
Free Trial Downloads - Freeware, shareware and trial software.
Download Software Freeware - Freeware, shareware archive also offering a version monitoring service. - Multi-OS freeware, shareware downloads. - A freeware and shareware archive with over 20,000 titles. - Shareware download site. - Read reviews and download the best software at SharewareRatings.Com - Professional Development Shareware - Free software and game downloads
Wapti - Software Downloads - Download freetrial shareware here - Freeware, Shareware, Demo, Trial, Free Downloads, best software program tool for Windows, Linux, Java, MP3, Pocket PC, Palm.
Download 128 - Business, internet, utilities, development tools, graphics, games software free downloads.
Best Shareware - Software Downloads - Fast and free software download directory - Bringing software to life
Download 4 People - We serve you pleasure - Software archive - Software archive
Download Ready - Ultimate Software Collection - Best source to get freeware and shareware programs - Software free download database
File Repository - Software reviews and free downloads
Best Software Downloads - Search freeware and shareware downloads - A large archive of freeware, shareware, and trial software for Windows - Fresh Downloads Every Day!
Butterfly Download - Shareware Downloads at - Free software download, free games download, free GSM software
LaoWei Software Depot - Shareware and Freeware
Download portal - Shareware, freeware and trialware software for Windows, Linux, Mac, Palm
BrotherSoft Shareware Freeware Download - Over 40,000 shareware, freeware software downloads includes audio, video, games, internet and so on.
Soft-Go.Com - Freeware and Shareware Catalog - Software Archive
Soft82 - Free download software - Software Download Site, 20000+ programs to download, with user ratings and reviews
Software Dungeon - Software Archive
Core Download - Download Shareware and Freeware Software
FilesLand - Freeware and shareware organized by keywords
Downloadsoftware4free - Best software 4 download - Your free software download collection
Free Downloads Place - freeware and shareware
PCDistrict - free downloads software, hardware, reviews, news
FiberDownload - software, games, drivers