Have I Been Sold? might be a bit more popular than GrammarChecker.net. We know about 1 link to it since March 2021 and only 1 link to GrammarChecker.net. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Try the Grammarly extension or this online grammar checker. Source: about 2 years ago
You should definitely check for "Do not sell my personal information" notices (and whether or not you have disabled them) as well as sites like https://haveibeensold.app/, https://haveibeenpwned.com/, and https://breachdirectory.org/. Aside from that, you should try using a VPN and firefox w/ duckduckgo for a few weeks consistently. After that, simply getting your home IP changed by your ISP should stop all... Source: over 2 years ago
Grammarly - Clear, effective, mistake-free writing everywhere you type.
have i been pwned? - Check if your account has been compromised in a data breach
LanguageTool - Free proofreading tool for OpenOffice, LibreOffice, Firefox, and Chrome.
Naughty List - Tech companies that won't delete your information
Gramlee.com - Online grammar check, proofreading and copy editing services.
Creep Alert - Check if friends or colleagues track you via email