There’s LanguageTool, a wonderful open-source tool. I’ve only used it for English, but it supports a lot of languages. There’s also addons for a lot of editors.

There’s LanguageTool, a wonderful open-source tool. I’ve only used it for English, but it supports a lot of languages. There’s also addons for a lot of editors. https://languagetool.org/ https://languagetool.org/