Agenta
Open-source prompt playground, registry and evaluation platform covering the prompt lifecycle from experimentation to deployment.
| Category | Prompt Management |
| Open source | Yes |
| Self-hostable | Yes |
| Pricing model | freemium |
| Pricing notes | MIT OSS self-host free; cloud free + paid tiers |
| Framework integrations | openai-sdk, langchain, litellm |
| Funding / ownership | Named as an official Humanloop migration path by Anthropic |
Pricing/feature source: https://agenta.ai/pricing