Paperpal is an AI-based academic writing assistant designed to improve the language, grammar and clarity of students' writing. It offers context-specific language suggestions, plagiarism checks with a score and color-coded results, and grammar checks as you type. Paperpal also comes with a paraphraser that maintains a formal tone and is useful for all stages of writing, and it can be integrated with MS Word and used online.
If you want a full-featured writing assistant, Trinka offers a variety of features including a grammar checker that's more sophisticated than just grammar, a plagiarism checker, and a paraphraser that produces coherent paraphrases. Trinka is designed for academic writing, with tools to analyze sentence structure, suggest word choices, and enforce US and UK English style, and it can be integrated with MS Word, Google Chrome, Mozilla Firefox, Microsoft Edge and Safari Browser.