> For the complete documentation index, see [llms.txt](https://harmonix-finance.gitbook.io/harmonix-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://harmonix-finance.gitbook.io/harmonix-docs/onboarding/earn-feature.md).

# Earn Feature

- [KelpDAO Enhanced ETH Vault](https://harmonix-finance.gitbook.io/harmonix-docs/onboarding/earn-feature/kelpdao-enhanced-eth-vault.md): Backend detail for our KelpDao Delta Neutral Vault (Arbitrum) & KelpGain Delta Neutral Vault (Ethereum).
- [Pendle Delta Neutral Vault](https://harmonix-finance.gitbook.io/harmonix-docs/onboarding/earn-feature/pendle-delta-neutral-vault.md)
- [GMX - ETH - Delta Neutral Vault - ETH](https://harmonix-finance.gitbook.io/harmonix-docs/onboarding/earn-feature/gmx-eth-delta-neutral-vault-eth.md)