If you're looking for a DrLambda alternative, MagicSlides is a good option. It can turn text, YouTube videos, PDFs and website addresses into presentations with a few clicks. MagicSlides can integrate with Google Slides, PowerPoint and Figma, and works with more than 100 languages. It has a range of pricing options, including a free tier, so you can get what you need without breaking the bank. It also offers more advanced features for a price.
Another good option is SlidesAI. This tool is geared specifically toward generating presentation slides from text, but it can be used to create more polished presentations. It offers templates that you can customize, AI-generated imagery and a paraphrasing tool to avoid plagiarism. SlidesAI can integrate with Google Slides, and it has tiered pricing so you can pay what you need and can afford.
If you want a broader suite of tools, check out SlidesPilot. It includes an AI presentation generator, an image generator and a tool to convert documents, all through a user-friendly interface. SlidesPilot supports multiple languages and can integrate with PowerPoint and Google Slides, so it's good for professionals, teachers and students.