Writing Tools
Grammarly can help give your writing a smoothness and gloss it otherwise might not have. The free version is quite good.
Good ole Microsoft Word: Under Preferences, choose “Spelling & Grammar” and explore options. Plus, You can highlight any word and right-click to do a “Smart Lookup” for a quick definition.
Scrivener users will benefit from suggestions to enhance their writing. Navigate to Scrivener > Settings > Corrections to explore options. Grammarly also works within Scrivener.
Chicago Manual of Style for academic and professional writing. You must pay for a subscription.
Free Thesaurus at Emote, the Merriam-Webster Thesaurus.
MasterWriter claims to offer a powerful suite of writing tools especially for Song writers, and also Creative writers.
Free online tools by searching for “online grammar tools” or “online writing tools”