Websites for German Videos:
Checkeins.de
Neuneinhalb Video Podcast
Deutsche Welle Telenovela: Jojo sucht das Glück
WDR.de - Links für Kinder - many different shows, including Sendung mit der Maus, Käpt'n Blaubär and others
Full Length Fairy Tale Movies in German - Approximately 1 hour each
Extr@ Series - from Discovery Learning
(and a website with vocab lists and worksheets for each episode)
KuBus Video Archiv - von Goethe Institut - Videos zu verschiedenen Themen
Online Streaming German TV

Audio Resources:

Vokabeln Top Thema Archive - Short articles and listening texts with vocabulary exercises from Deutsche Welle
Slow German Podcast - podcasts in German about various aspects of German culture - spoken slowly!
Yabla German - Videos with online exercises (Expensive subscription, but there is some free content)
Audio Lingua - mp3 recordings from native speakers in several languages
Podcast.de- many German podcasts, one great one that is included is 'Die Wahrheit über Deutschland'

Online Reading Resources:

Project Gutenberg - FREE e-books in German!
Young Germany - Resources about the German language, as well as information about studying and living in Germany.
Reader's Digest Deutschland
http://blindekuh.de/ - German Kids' search engine - good for finding easier authentic texts
Medienwerkstatt Wissenskarten - More Articles in German for kids
International Children's Digital Library
Children's Books Forever - Online in many languages
German Life Magazine - Cultural articles in English

Deutsch als Fremdsprache (DaF)

Lorenz Derungs Deutsch als Fremdsprache - Arbeitsblätter für DaF (HUNDREDS of activities!)
Allgemeinbildung.ch - Viele Vokabellisten
Deutschlernerblog - Great for Listening and reading comprehension
DaF Portal
Goethe Institut
Grimm Grammar - Grammar structures taught through Grimm's Fairy Tales - with listening examples too!
German Grammar Explanations from Vistawide
Goethe Institut London - Aktivitäten für DaF
DaF/DaZ Resource Downloads
German Language Handouts

Other Teacher's Websites:

Angelika Becker's AP German Resources
Nancy Thuleen
Deutschdrang
Frau Keller's German Page
Frau Havas
German Share
Aiken HS German
BBC Online Tips for learning Languages
Sharing Site: TES Connect (UK)
Exeter University Online Beginners' German
Online Pronunciation Guide with Audio
Practice Listening Comprehension
Germaniscool.com - West Plains High German SIte (Missouri)
Herr Curtis - Forest Grove High School (Also has info about Extr@ series)
Languages Online - Australia
Deutsch'Nett - mit vielen Links zu anderen DaF Webseiten und Online-Aktivitäten
Languages Online German (England) (good online practice activities)
iSL Collective - Internet Second Language Collective - lots of DaF Resources

Practice Tests

Goethe Institut Exams
German Exam for Immigrants from Goethe Institut
BBC GCSE Review and Practice Tests
österreichisches Sprachdiplom Deutsch (click on the level of test you are interested in at the top of the homepage and the practice tests are in the right hand column on each page)
telc Deutsch
Deutsches Sprachdiplom - 2 Modellsätze
Test DaF - I haven't found too many examples or practice tests on here, but I'm still looking!
New York State Regent's Exams: German

Language Acquisition and Standards

CARLA - Center for Advanced Research on Language Acquisition

Tech Links: Tools I love (FREE! unless otherwise noted)

Prezi - A great alternative to Powerpoint. Can imbed docs, videos, audio files, and pictures.
MindNode - Mind mapping tool on the computer (Mac only for now)
Wunderlist - helps me keep track of my to-do list - syncs between computer, web, and phone (and a German company! Gotta love that!)
Wordle - create a "word cloud" using text - helps to activate vocabulary.
Audacity - Sound recording and editing
MES-English ESL Resouce with great games and printables that could easily be used in German class. (I use their Get Four game for building sentences, practicing past tense, etc.)
Culturally Authentic Pictorial Lexicon - Creative Commons Licensing

über Deutschland, Österreich und die Schweiz:
Germany.info - Information from the German Embassy in the US
Germany in Class Newsletter - Newsletter for teachers from the German Embassy
Austria.org - Austrian Embassy page with resources

For Fun:

Eine Halloween Geschichte
Kindersuppe.de - tolle Aktivitäten für Kinder (und Deutschschüler auch!)
Zungenbrecher - German Tongue Twisters (with audio files so you can hear them!)
German Tongue Twisters from About.com (with audio files so you can hear them!)
Kids' Stories and Songs - Stories and Songs from the UK German Connection


Other assorted Links:
http://www.nclrc.org/essentials/reading/reindex.htm