Question: I need a solution that lets users log in to my app with their social media accounts and personalize their experience with custom avatars.

If you want to add social media login and custom avatars to your app, Ready Player Me is a top contender. It comes with a full avatar creator with thousands of options, lets people create avatars from selfies, and is relatively easy to add to game engines like Unity and Unreal. It also has tools to monetize hero avatars and skins. It's geared for social experiences, virtual meeting tools and games, so it's a good choice if you want to let people customize their presence.

Another strong contender is Snap for Developers, a collection of tools to create immersive experiences that span multiple platforms, including Snapchat. The tools include Bitmoji for Developers, which can be used to add personalized avatars to products, and Login Kit for authentication with Snapchat accounts. That could be useful to developers in various fields who want to create AR experiences and personalized authentication.

If you want a secure, hassle-free login process, check out MojoAuth, a passwordless authentication service that sidesteps password problems. It's designed to be faster and easier to use, and to keep people happy. MojoAuth has features like better security, universal support and support for code and no-code integration, so it's good for a broad range of industries. That makes it a good choice if you want to authenticate people without a lot of hassle.

Last, Magic AI Avatars uses AI technology to convert uploaded photos into custom digital avatars. It's designed for creating digital identities, characters or avatars for social media, virtual reality, games and other uses. It's designed as a privacy-first service, and it can generate avatars in a variety of styles. That makes it a good choice if you want to generate custom avatars without requiring people to sign up for an account.