Grammarly is a technology company that develops a digital writing tool using artificial intelligence and natural language processing. The tool helps users to improve their writing skills by identifying and correcting grammar, spelling, and punctuation errors. Grammarly was founded in 2009 by Alex Shevchenko and Max Lytvyn. The company is headquartered in San Francisco, California, and has offices in Kyiv, New York City, and Vancouver. Grammarly has over 20 million daily active users and has been recognized as one of the fastest-growing companies in North America by Deloitte's Technology Fast 500.