Requirements

1. FOSS
2. No, minimal, or human-checked AI code
3. Free-to-use
4. I'm asking for FOSS PROVIDERS, not proprietary providers with FOSS clients
5. Not under authoritarian juristiction
6. At least one independent security audit
7. Lightweight
8. Low on memory

Optional things:

1. Self-hostable
2. Environmental ideals
3. Under European juristiction
4. Not hosted on Github

Suggest MULTUPLE providers as I seek to decentralize the services I use ad much as possible