If you want a more general-purpose voice changer for playing different characters or personas in creative projects, Voicemod is a good option. This AI-powered software lets you change your voice in real-time and offers a lot of fine-tuning options, like sounding like a woman, robot or celebrity. It's geared for video game streaming, gaming and content creation, which is why it's popular among gamers and vtubers.
Another good option is Voice AI, which offers a collection of free real-time voice changing tools for PCs and phones. It's got features like voice cloning, a large library of AI-created voices and real-time transformation, so it's good for streamers and gamers. The site also has soundboard creation and high-end audio tools, expanding the creative possibilities of your project.
For more sophisticated voice manipulation, ToneShift offers AI-based voice conversion and cloning so you can create and share your own customizable vocal styles. It's got features like voice cloning for storytelling and a community site to share voices, so it's good for content creators and storytellers.