MacNCheezus , 4 days ago

For LLMs, the already mentioned LM Studio does a good job as far as beginner friendliness goes.

For text-to-image, I like Fooocus, which is a custom Stable Diffusion setup with automatic prompt enhancement, which can comfortably compete with Midjourney.

Here’s a setup guide for first time users. There’s also an online version to try it out.