We don't know any good Secret Llama open-source alternatives yet.
You are more than welcome to suggest any alternatives that you know of, or ask the community for suggestions.
Alternatively, we recommend checking out LibHunt for open-source libraries and alternatives to Secret Llama.
An amazing Open-source, fully free, privacy orientated ChatGPT alternative. Yes, you may have to wait for a while (only the first time) to download the model locally - but that's it. In a lot of cases, it'd be good enough.