Surfer is a Content Intelligence platform that helps writers, content managers, and agencies to scale their content efforts, automate their SEO workflow, and rank higher and faster than ever before, with subscriptions available in four tiers of plans.
Paid
Rank: #16
Visits: 881.9K 
The Rephraser paraphrasing tool is recommended for professional writing, particularly for bloggers and marketers, as it offers support in quickly and easily rephrasing text to avoid repetitive language and create unique content, although it may be more effective for paraphrasing than for summarizing
Freemium Rank: #35 Visits: 88.7K 