Grammarly was founded by Alex Shevchenko and Max Lytvyn, and is a well-known global company primarily providing various grammar proofreading products. Currently, it has helped over 2 billion consumers from English speaking and non native countries improve their English proficiency. Its subsidiary product Grammarly Editor not only corrects spelling errors, but also detects over 250 common grammar errors, corrects vocabulary usage errors, and provides feedback, making it an essential learning software for students.