• Realia
• Video, audio, multimedia
• Collaboration and social networking
• Online textbooks and reference materials

Video, audio and multimedia

• YouTube
• TeacherTube
• ESLpod: supersite for ESL podcasts
• Better at English podcast
• A Cup of English podcast
• Children's songs with music and lyrics
• ELT podcasts
• Splendid Speaking (advanced learners)
• ESL for work
• EnglishLingQ podcast about language and language learning
• OhMyNews podcast

Creating connections and communities

• Voki: create online avatars
• Skype: connect with other students and classes
• Livemocha: collaborative language practice
• Glogster: make interactive online posters (graphical blogs)
• PBWorks (PBWiki): create collaborative online workspaces

Online textbooks and references

• BBC Learning English: supersite for English language learners
• MERLOT: supersite for online resources
• ESL Flow: collection of resources
• First Time in England: online beginning readings
• Using English for Academic Purposes
• ESL Monkeys: collection of resources
• Many Things: activities and information
• Guide to Grammar and Writing
• HyperGrammar

Other useful sites for creating materials

• Prezi: for making dynamic presentations
• Animoto: for making online slideshows/videos
• Picnik: for editing photos online
• Zamzar: for saving YouTube video as files