Typeframes is a good option, with an AI system that turns text into videos with a high production value. It's got an easy-to-use interface, customizable templates and support for vertical videos, so it's well-suited for social-first content creation. It also can convert blog posts and other social media posts into content, so you can save a lot of time.
Another option is Lumen5, which lets you create videos with a professional look with a lot less work. Its drag-and-drop interface, AI video tool and automated captions let you convert written content into videos. It also offers branded templates and a content library, so you can ensure consistency and make it easy to use.
If you want to repurpose your existing content, ClipMaker is a good option. It can generate AI-created clips from YouTube videos and schedule them for TikTok and Instagram, so you can reach a wider audience with less work. It also can handle automatic subtitles and post scheduling, so you can maximize engagement and reach.