Hiero SDK JS
Hiero (LF Decentralized Trust) / HashgraphBest for Official SDK for Hedera accounts, tokens, consensus and contracts
Catch Hedera native services only; for EVM tooling use the JSON-RPC relay
- Chains
Hedera- Price
- Free (open source)
Hedera smart contract frameworks and SDKs
2 smart contract frameworks and SDKs whose own docs name Hedera, compared on price, network and the catch. Checked against each maker's own pages; last updated Oct 25, 2026.
| Tool | Best for | Price | Hedera | Catch |
|---|---|---|---|---|
| Hiero SDK JS | Official SDK for Hedera accounts, tokens, consensus and contracts | Free (open source) | Mainnet | Hedera native services only; for EVM tooling use the JSON-RPC relay |
| Scaffold HBAR | Bootstrapping a Hedera dApp with contracts and a Next.js front end | Free (open source) | Mainnet | Pre-1.0, and its default Hashio RPC is for development and testing, not production |
Compare two side by side: Hiero SDK JS vs Scaffold HBAR
Scaffold HBAR
Hedera (hedera-dev)Best for Bootstrapping a Hedera dApp with contracts and a Next.js front end
Catch Pre-1.0, and its default Hashio RPC is for development and testing, not production
- Chains
- Hedera
- Price
- Free (open source)
See every Hedera developer tool or all Smart contracts & SDKs picks. Prices change often, so confirm on each maker's page.
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