If you're looking for a language-agnostic Scrabble analysis tool, Scrabblecam is a great option. This AI-powered system analyzes real board photos to give you Scrabble moves, supporting English (CSW21 and NWL23), French, and Italian. It can recognize standard 15x15 boards quickly and give you high-scoring moves in a few seconds. Scrabblecam also offers APIs for developers to build the functionality into their apps, so it's very flexible.
Although not a Scrabble-specific tool, LanguageTool is worth a mention since it offers AI-powered language checks and rewriting in more than 30 languages and dialects. It has a lot of features, including grammar checking, tone suggestions and plugins for writing tools and websites. If you need a general-purpose linguistic support system beyond Scrabble, in particular for writing and editing, it could be helpful.
For a more general purpose writing assistant, Wordvice AI offers a range of tools including a text editor, AI reviser, translator and paraphrasing tools. It supports multiple languages and can be useful for improving academic papers, content writing and other professional writing tasks. Although it's not specifically geared for Scrabble, its general language support and writing assistance features make it a good tool for writers.