> For the complete documentation index, see [llms.txt](https://docs.inverter.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.inverter.network/contracts/technical-reference/external.md).

# External

- [Fees](https://docs.inverter.network/contracts/technical-reference/external/fees.md)
- [Interfaces](https://docs.inverter.network/contracts/technical-reference/external/fees/interfaces.md)
- [IFeeManager\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/fees/interfaces/ifeemanager_v1.sol.md)
- [FeeManager\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/fees/feemanager_v1.sol.md)
- [Forwarder](https://docs.inverter.network/contracts/technical-reference/external/forwarder.md)
- [Interfaces](https://docs.inverter.network/contracts/technical-reference/external/forwarder/interfaces.md)
- [ITransactionForwarder\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/forwarder/interfaces/itransactionforwarder_v1.sol.md)
- [TransactionForwarder\_v1](https://docs.inverter.network/contracts/technical-reference/external/forwarder/transactionforwarder_v1.md)
- [Governance](https://docs.inverter.network/contracts/technical-reference/external/governance.md)
- [Interfaces](https://docs.inverter.network/contracts/technical-reference/external/governance/interfaces.md)
- [IGovernor\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/governance/interfaces/igovernor_v1.sol.md)
- [Governor\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/governance/governor_v1.sol.md)
- [Reverter](https://docs.inverter.network/contracts/technical-reference/external/reverter.md)
- [InverterReverter\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/reverter/inverterreverter_v1.sol.md)
- [ERC20Issuance](https://docs.inverter.network/contracts/technical-reference/external/erc20issuance.md)
- [Interfaces](https://docs.inverter.network/contracts/technical-reference/external/erc20issuance/interfaces.md)
- [IERC20Issuance\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/erc20issuance/interfaces/ierc20issuance_v1.sol.md)
- [ERC20Issuance\_v1.sol](https://docs.inverter.network/contracts/technical-reference/external/erc20issuance/erc20issuance_v1.sol.md)
- [Interfaces](https://docs.inverter.network/contracts/technical-reference/external/interfaces.md)
- [IERC2771Context.sol](https://docs.inverter.network/contracts/technical-reference/external/interfaces/ierc2771context.sol.md)