itch.io

Provides tools that let you customize characters with either free form sliders or combinations of pre-made options.

Set in a fictional universe, often (but not always) with fantastic or supernatural elements, alternate worlds, magic and monsters.

Either prominently containing or entirely themed around romance, this genre is typically focused on interpersonal romantic relationships between characters and the player.

Twine is a free and open source tool for telling interactive, non-linear stories.