for (on line) learning:
itunes - educational podcasts: I found a series of Spanish podcasts that have transformed my learning of the language, convincing me there has to be more value in this medium than I currently exploit more with my own students
Twitter - the place for links, updates, chat, sharing, collecting opinions, professional and social networking
Ning - I have been part of two really valuable Ning communities for learning this year: I really like its flexibility, the attractive designs available. I intend to use it with my own students in the coming year.
Skype - invaluable for tutorials with my students and yet again for my own Spanish language studies: I meet with a teacher on line every fortnight to practice conversation
elluminate Vroom - free on line classroom (for up to three people)
Wimba create - bit of a fan currently - using to develop on line learning materials for Blackboard-hosted courses.
Camstudio - screencapture software (free download) which can be edited in movie maker with separate audio if needed.
Slideshare - upload powerpoint presentations and documents to share easily with others. Source of great learning resources too
Googledocs - brilliant tool for collaboration and sharing
Blogger - still there as my blog tool of choice
and number 11 would be diigo.com - social bookmarking site: save web links, network, create discussion groups, annotate pages and store notes.