Dictionaries
Dictionary.com
MacMilliandictionary.com
Merriam-webster.com
Thesauruses
Thesaurus.com
MacMilliandictionary.com
Oxforddictionaries.com
Collinsdictionary.com
Merriam-webster.com
Rhythming Dictionary
Rhymedb.com
rhymer.com
rhymezone.com
Sayings/Idioms/Phrases
TheIdioms.com
List of proverbial phrases (wikipedia)
List of phrases and sayings
Songwriting Prompts
reddit.com/r/SongwritingPrompts
writersdigest.com
fawm.org
lyricideas.com
thestorystarter.com
learnhowtowritesongs.com
watchout4snakes.com
redd.com/r/WritingPrompts
Song Name Generators:
Songname.net
modplug.com Songtitle Generator
Bandname Generators:
leonatkinson.com
tunevault.com
bandnamemaker.com
blamepro.com
elsewhere.org
Writing Pompts
Fabula Storytelling Cards
The Story Engine Deck
Songwriting Software
Masterwriter.com
lyricstudio.com
Songcraft.io
theselyricsdonotexist.com
boredhumans.com
Screenplay.com
Misc
Perodic Table of Storytelling
speedsongwriting.com
allaboutsongwriting.com
nicholastozier.com
masterwriter.com
writersdigest.com
ted.com/topics/storytelling