Free, open-source, cross-platform, and multi-language analysis tool for Scrabble, Super Scrabble & Literaki. Quickly find top scoring words using given board & tiles. Available in English, French, German, Persian, Polish, Romanian & Spanish.
In the notation system common in tournament play, columns are labeled with the letters "A–O" and rows with the numbers "1–15". (On Scrabble boards manufactured by Mattel as well as on the Internet Scrabble Club, rows are lettered while columns are numbered instead.)
https://en.wikipedia.org/wiki/Scrabble#Rules