If you're looking for a service to let you upload and swap faces without limits for video and live stream creation, Magicam is a top contender. Magicam offers real-time face swap technology for live streams and pre-recorded video, and you can upload as many faces as you want and keep them swapped for as long as you want for live streams and conferences. The service has an easy-to-use interface and AI neural networks for high-quality results.
If you want a broader range of features, check out Deepfaceswap. This tool uses Generative Adversarial Networks (GANs) to perform real-time face swaps, change facial expressions and animate lip movement. It also can replace backgrounds and let you create your own avatars, so it's good for entertainment, education and other purposes.
Last is Fakeface, which has a simple interface for creating convincing face swaps in video, photos and GIFs. It can create high-resolution output and works fast, which is good for content creators and professionals. It's designed to protect privacy and works offline, too, so it's good for a variety of media formats.