==== Architecture ====
=== Solar ===
  * http://www.solaripedia.com/ lots of case study articles about various solar designs
  * http://www.builditsolar.com/ lots of DIY solar projects

==== Gardening ====
  * a guy doing some great DIY hydrophonics stuff: [[http://web4deb.blogspot.com/|blog]] [[http://www.youtube.com/user/web4deb|youtube chan]]
  * [[http://www.windowfarms.org/|WindowFarms]] DIY hydrophonics for city dwellers
  * [[http://www.simplyhydro.com|Simply Hydrophonics]] lots of advice on hydroponics


==== Robotics / Electronics shops ====

=== EU ===
  * http://www.robot-italy.com/ (Italy) reseller of Sparkfun, Olimex, Arduino stuff etc. I have ordered from them.
  * http://www.watterott.com/en/Components/ (Germany) Seems to be nice and cheap.
  * http://www.robotshop.com/eu/ this shop has large selection and the EU branch ships from France.
  * http://www.cooking-hacks.com/ [[http://www.libelium.com/|Libelium]]s DIY shop. They design their own stuff too.
  * http://www.paeae.com/ (Finland) Mainly Arduino stuff, not much to choose from, but located close to where I live.
  * https://www.m.nu/ (Sweden) Good selection of sensors and 1wire stuff.
  * http://www.hwkitchen.com/
  * http://www.active-robots.com/ (UK) good selection of robotics components. I have ordered from them.
  * http://robosavvy.com/ (UK). Has Dagu stuff in stock. I have ordered from them.
  * http://www.robot-electronics.co.uk 
  * http://www.technobots.co.uk/
  * http://robotbirds.com/ anything at the intersection of robotics & flying (UK)
  * [[http://www.olimex.com/|Olimex]] PCB manufcaturer that produces custom PCBs and is used as a production partner for several open source projects (OpenEEG for example). They design their own stuff too. I have ordered from them.

=== USA ===
  * [[http://www.sparkfun.com/|Sparkfun]] One of the most well known shops. Designs their own breakout boards and other stuff. I have ordered from them.
  * [[http://www.makershed.com/?Click=19208|Maker shed]] general DIY. They design some of their own stuff too.
  * [[http://seeedstudio.com/depot/|Seedstudio]] designs a lot of their own stuff. Arduino derivates (seeduino) etc.
  * [[http://www.liquidware.com/shop|Liquidware]] open source electronics designer. Arduino & Beagleboard shields etc. 
  * [[http://www.robotmarketplace.com/store.html|Robot marketplace]] Largest robotics component shop there is. Has lots of non-std. stuff like different kinds of large wheels, motors and controllers for more powerful robots.

=== Local (Estonia) ===
  * [[http://www.yeint.ee|YEInt]]
  * [[https://www.elfa.se/elfa3~ee_et/elfa/init.do?init=1&shop=ELFA_EE-ET|Elfa]]
  * [[http://www.oomipood.ee/|Oomipood]]
  * http://www.serigo.ee/ very cheap local e-shop.
  * [[http://www.ittgroup.ee/index.php?option=com_virtuemart&Itemid=12&lang=en&vmcchk=1&Itemid=12|ITTgroup]] Local dealer of Arduino and similar things.