Writers' forums:
Absolute Write: http://absolutewrite.com/forums/index.php
Agent Query Connect: http://agentqueryconnect.com/
Blogs:
Wordpress: http://wordpress.com/
Blogspot: https://www.blogger.com/home
Critique Partners (CPs):
Critique Circle: http://www.critiquecircle.com/queue.asp
Scribophile (paying membership): http://www.scribophile.com/
Writeoncon: http://writeoncon.com/forum/forumdisplay.php?208-Crit-Partner-Match-Up
Nathan Bransford: http://forums.nathanbransford.com/viewforum.php?f=20&sid=c87f9ac20fdf24845d33fb21554239fd
SFNovelist: http://www.sfnovelist.com/index.htm
Review Fuse: http://www.reviewfuse.com/
Romance Critters: https://groups.yahoo.com/neo/groups/Rom-Critters/info
Kingdom Writers: http://www.angelfire.com/ks/kingwrit/
Critters: http://critters.org/
Ladies Who Critique (there are men here too): http://www.ladieswhocritique.com/
Critique and Discussion Groups:
http://www.writing-world.com/links/critique.shtml
Plotting software:
Hive Word (web-based novel writing organizer): https://hiveword.com/
Fiction Factor: http://www.fictionfactor.com/softwarefreebies.html
YWriter 5: http://www.spacejock.com/yWriter5.html
Chapter by Chapter (for Word users/ does not work with Windows 8): https://sites.google.com/site/sebberthet/chapter-by-chapter
Power Write: http://creative-writing-guide.blogspot.com/2006/12/free-creative-writing-software.html
Power Structure: http://www.write-brain.com/downloads.html#power_writer
Dramatica and others: http://storymind.com/store/info/downloads.htm
Write Sparks: http://writesparks.com/
Write It Now: http://www.ravensheadservices.com/download.php
Sigil: http://code.google.com/p/sigil/
Tree Sheets: http://strlen.com/treesheets/
Pro Writing Aid: http://prowritingaid.com/
Word Count Tool: http://www.wordcount.co/
Novel Studio: http://www.freedownloadmanager.org/download/Novel_Studio_2010_71611_p/
Query blogs:
(places where writers help other writers and where you can get constructive feedback):
Miss Snark First Victim: http://misssnarksfirstvictim.blogspot.com/
Critiki Lunge: http://critiki.kristinaperez.com/
Brenda Drake: http://www.brenda-drake.com/
Chasing the Crazies: http://chasingthecrazies.wordpress.com/
Mischellaneous:
Cliche Finder: http://cliche.theinfo.org/
Imagination Prompt: http://www.creativity-portal.com/prompts/imagination.prompt.html
Reference for Writers: http://referenceforwriters.tumblr.com/
Thesaurus: thesaurus.com
Free Online Dictionary: http://www.thefreedictionary.com/
Fact Browser: http://www.factbrowser.com/
Writing Workshop: http://www.cws.illinois.edu/workshop/writers/
Grammar Girl: http://www.quickanddirtytips.com/grammar-girl
Infograpahic: https://infogr.am/app/#/home
English language blogs: http://grammar.about.com/od/blogsandlinks/tp/toptenblogs.htm
Writers Resources:
Organized Writer: http://www.organizedwriter.com/resources.htm
Resources for Children Writers:
http://resourcesforchildrenswriters.blogspot.com/
Young writers resources:
http://www.teachingauthors.com/p/for-young-writers.html
Writing like Rowling (author of the Harry Potter Series):
http://writelikerowling.com/category/resources-for-writers/