WhiteSmoke

WhiteSmoke's grammar check program has just been updated, making it better than before. It's one of the most popular language-improvement programs available today, and it may help with English grammar, spelling, punctuation, and even style issues. It analyzes your content using cutting-edge NLP (natural language processing), artificial intelligence, and other algorithmic technologies to find the most accurate and intuitive fixes.

WhiteSmoke works with web-based texts, OEM versions, and other editing software. WhiteSmoke is ideal for professional writers, students, academics, CEOs, and anybody else who wants to ensure that their written content is of the highest quality.

Price - Starts at $5 per month ($59.95 per year)

Browser Extensions - Works with Chrome, IE, Opera, Safari, Firefox

Main Features - Advanced learning algorithm (AI, NLP)

Pros:

• NLP technology that is cutting-edge.
• All-in-one grammar, spelling, and style checker.
• More than 55 languages are supported.
  

Cons:

• The Mac version is not available (coming soon).
• Individual licenses must be purchased.