Scrabble3D is described as 'This program extends the conventional idea of Scrabble with Scrabble3D - adding a third dimension. Of course classic games using a 15x15 board or Superscrabble using a 21x21 board can be played too and you may configure any field setting yourself' and is a Word Game in the Games category. There are nine games similar to Scrabble3D for a variety of platforms, including Online / Web-based, Android, Windows, Chrome OS and Android Tablet. The best alternative is Quackle, which is both free and Open Source. Other Scrabble3D like games are Lexica (Free, Open Source), Crosswords Arena (Free), CrossCraze (Freemium) and Lit (Free, Open Source).
Lit enables playing Literaxx with others, computer and through the network. Lit won the Competition of programs for playing Literaxx organised by Kurnik. Literaxx is a word game similar to Scrabble, which point is to arrange words from own letters and get scored.