Helpful sites or apps
Grammarly is an extremely useful tool, I think it's actually more in depth than Spell checker. It reveals how extensive your vocabulary is in comparison with other users among other things.
Other writing sites
http://archiveofourown.org/ :A place for fanfiction writers to flourish. There are numerous different genres to write in, whether you are a fan of a film, tv programme, musician, book, comic book or cartoon.
http://blog.nanowrimo.org/ :It offers inspiration and motivation when you get stuck in the middle of writer's block. There are lots of writers on the site, who will offer advice about practical things such as how to approach a publisher when you are close to finishing the book.
http://www.bankholidaydates.co.uk/GreatBritain/1852.aspx: Bank holidays
http://elizabethashworth.com/2013/05/20/1399/: History of Hornby Castle