Grammarly is an online writing assistant powered by artificial intelligence that aims to enhance users' writing skills. Its key features and benefits include:

• Real-time feedback: It provides suggestions on grammar, spelling, punctuation, clarity, style, and tone.
• Wide integration: It seamlessly integrates with over 500,000 apps and websites across various platforms.
• Versatile usage: It is suitable for individuals, teams, businesses, and educational institutions.

Grammarly is useful in different scenarios to meet various writing needs:

• Students and professionals can utilize it to enhance the quality and clarity of their writing.
• Businesses and teams can benefit from maintaining a consistent writing style and tone.
• Educational institutions can use it to improve students' writing skills and prevent plagiarism.

In summary, Grammarly offers a comprehensive solution for enhancing writing skills, with different plans and resources available to cater to individual requirements.