If you're looking for a WProofreader alternative, LanguageTool is a good option. It supports more than 30 languages and has a lot of features, including grammar and style checks, tone suggestions and paraphrasing. It has plugins for many writing tools, browser extensions and standalone apps for Windows, macOS, Linux, Chrome OS and Android. The premium version adds advanced grammar and punctuation checks, the ability to set your own style guides and team features like user administration.
Another good option is Ginger, an AI-powered writing assistant that offers advanced grammar and spell checking. It works in Gmail, Facebook, LinkedIn and Microsoft Word, among other tools. Ginger also offers rephrase and synonyms tools to help you write in a more natural style. It has desktop apps, browser extensions and mobile apps, so it's widely available and easy to use.
Grammarly is another popular option that offers personalized writing advice and text generation. It's got features like contextual suggestions, plagiarism detection and citation support. It works on all devices, and Grammarly offers a range of plans from basic free versions to enterprise deals.
Last, QuillBot offers a suite of writing tools, including a paraphraser, grammar checker, plagiarism detector and summarizer. Its mission is to help you improve your writing from first draft to final edit, and it's designed to be easy to integrate with lots of apps and websites. The premium version adds features like custom summaries and unlimited AI prompts.