LanguageTool offers spell and grammar checking of your translation units.

You can configure your custom LanguageTool server using the page LanguageTool of the configuration window which can be opened by choosing the Settings → Configure Lokalize... main menu item.

To utilize LanguageTool checking capabilities use the Edit → Check this unit using LanguageTool menu item or use Ctrl+J shortcut.

For more information, please refer to LanguageTool homepage.