At ScreenReader.net we have freeware for blindness and visual impairment special needs throughout the world. It is free only to individual blind people for their personal use at home: it is not free to organisations.
interactive demonstrations of Conducting Electronic Searches; useful both for the information contained and as a demo of web design and writing instructional media in a library context; the larger site is a resource for writers.
many of the past issues were on thematic concerns; ever of greater importance in academic and knowledge communities is the how-to of electronic publishing
Portal with wide variety of categories; most useful are the evaluative and descriptive annotations for each entry, so you can see how the possible "consumer opinion," for example, sites vary. Place to find free reference tools.
how-to videos or, more commonly, audio/slideshows; useful rhetorically for both technical writing and instructional video learning; web2.0 sharing of video that is perhaps instructionally more useful than YouTube.
links to knowledge sharing or knowledge management site; larger site is most comprehensive listing of web2.0 sites I have seen, organized into many categories; blogger is from Netherlands