> For the complete documentation index, see [llms.txt](https://docs.helalabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.helalabs.com/build-on-hela.md).

# BUILD ON HeLa

- [HeLa Architecture](https://docs.helalabs.com/build-on-hela/hela-architecture.md)
- [HeLa Runtime (EVM)](https://docs.helalabs.com/build-on-hela/hela-runtime-evm.md)
- [Estimate Gas](https://docs.helalabs.com/build-on-hela/estimate-gas.md)
- [Build on Testnet](https://docs.helalabs.com/build-on-hela/build-on-testnet.md)
- [Deploy Smart Contracts with Remix](https://docs.helalabs.com/build-on-hela/build-on-testnet/deploy-smart-contracts-with-remix.md)
- [Deploy Smart Contracts with Hardhat](https://docs.helalabs.com/build-on-hela/build-on-testnet/deploy-smart-contracts-with-hardhat.md)
- [Deploy Smart Contracts with Foundry](https://docs.helalabs.com/build-on-hela/build-on-testnet/deploy-smart-contracts-with-foundry.md): We’ll create a simple SplitWise app, a contract where friends can track and settle debts.
- [HeLa Network Information](https://docs.helalabs.com/build-on-hela/hela-network-information.md)
- [REMIX - IDE](https://docs.helalabs.com/build-on-hela/remix-ide.md): Let's build with REMIX IDE!
- [Build on Testnet](https://docs.helalabs.com/build-on-hela/build-on-testnet-1.md)
