Do schematic capture, Spice simulation, PCB Layout online for free, then order high quality PCBs.
EasyEDA: the one stop design shop for your electronics projects.
https://easyeda.com
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http://www.tinywebgallery.com
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With the high cost of travel and shrinking budgets, most organizations today are already meeting virtually, or are considering it. But not all web conferencing solutions are created equal. We’d like to introduce you to an alternative way to communicate -- one that makes it easy to meet with the people you need to, when you need to -- all it takes is a web-enabled PC and something to say.
https://www.webhuddle.com
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https://code.google.com/p/shellinabox
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You want to share the links you discover ? Shaarli is a minimalist delicious clone you can install on your own website. It is designed to be personal (single-user), fast and handy.
http://sebsauvage.net/wiki/doku.php?id=php:shaarli
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Etherpad is a highly customizable Open Source online editor providing collaborative editing in really real-time.
http://etherpad.org
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EtherCalc is a web spreadsheet.
Your data is saved on the web, and people can edit the same document at the same time. Everybody's changes are instantly reflected on all screens.
Work together on inventories, survey forms, list management, brainstorming sessions and more!
https://ethercalc.net/#
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Balloons.IO is a web multi-room chat server and client ready to use. It’s built with the help of node.JS, Express, Socket.IO and Redis. Balloons uses PassportJS for authentication with Twitter and Facebook
https://github.com/rickyrauch/Balloons.IO
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A free and open-source XMPP chat client in your browser
https://conversejs.org
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