No specific info about version 10.3. Please visit the main page of Spell Catcher on Mac Informer.
Excalibur is a free open source TeX/LaTeX-Aware spelling checker.
Improve your typing speed and auto-correct typing errors.
A powerful tool for testing your spelling skills, complete with Hangman game.
This application helps you practice your English spelling skills.
Spelling Bee is a useful standalone tool for people who like to use big words.