This will be added to over time. This does not include website such as writelink or twitter which have great potential, but could individually use their own posts.
http://www.alcs.co.uk/- The Authors' Licensing and Collecting Society
http://www.plr.uk.com/ - Public Lending Right – re books borrowed from UK libraries. Don’t forget to register your book!
Markets and opportunities
http://pred-ed.com/- Preditors and Editors, so you can check out that literary agency or publisher to make sure they're not rip off merchants.
http://www.womagwriter.blogspot.com/- Very useful for guidelines and submission details for fiction in women's magazines.
http://www.bbc.co.uk/writersroom/ - BBC Writers Room
http://www.angiebenedetti.com/blog/category/anthology-market-listings/ - Constantly updated list of anthologies and submission requirements/payments details.
http://www.duotrope.com - The Duotrope Digest is a searchable writers' resource of over 3200 pro- to non-paying publications which accept submissions. It is updated almost daily and you can subscribe to feeds.
http://www.magazinesabout.co.uk - Magazine and periodicals directory (UK)
http://www.writingcalendar.com/index.htm - Sally Quilford's calendar of forthcoming writing competitions.
http://prizemagic.co.uk/ - lists and lists of competitions to enter
Software for writers:
http://www.openoffice.org/ - Open Office word processing
http://celtx.com/ - scriptwriting
http://www.spacejock.com/yWriter5.html - novel writing
http://www.waterstones.com/waterstonesweb/ - To check if Waterstone’s stock copies of your book(s).
d=localbookshops&s=C&r=10000020&ui=0&bc=0 - To search for books and local bookshops and order from them.
http://www.phrases.org.uk/ - for useful phrases and proverbs, including the Bible, Shakespeare; and American, French and Latin.