What are some alternatives?
When comparing Tic-tac-toe Collection and Bovo, you can also consider the following products
SkillGamesBoard - Play free online games against thousands of players, work out your own techniques, and improve your logical thinking skills in turn-based multiplayer board games on SkillGamesBoard!
Gomoku - Online Game Hall - This is the most powerful gomoku game on Mac App Store. For the game rule:
Jin - Jin is an open source, cross platform, graphical client for chess servers, written in Java.
4 in a Row - 4 in a Row, the classic game that's easy to understand, but hard to master.
Master of Gomoku - EnsenaSoft is an award-winning game developer and publisher committed to creating high-quality digital games content across all major gaming platforms.
Tick5 - Implementation of Gomoku, similar to a 15 x 15 extended version of the Tic-Tac-Toe game.