Latitude
Open-source prompt engineering platform with versioning, evals and agent-running infrastructure (PromptL).
| Category | Prompt Management |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | freemium |
| Pricing notes | OSS self-host; cloud free tier + paid plans |
| Framework integrations | openai-sdk, anthropic, vercel-ai |
| Funding / ownership | — |
Pricing/feature source: https://latitude.so/pricing