Gasless transactions between clients and Ethereum smart contracts.
The OpenZeppelin Gas Station Network is a set of transaction relayers that divert DApp clients from gas charges when interacting with Ethereum smart contracts. Developers can adopt the relayers to allow DApp users to pay gas in fiat, or any other token of their choice, all without revealing their identities.
Tool suite that allows developers to work with pre-chain data in real time.
Get free gas fee quotations for Ethereum and Polygon chains, with EIP-1559 support.
A suite of DeFi tools including impermanent loss calculators and staking and farming strategies.
A test tool: Mocha reporter with gas usage per unit test and average gas usage per method call.
Displays how much you have spent on gas with conversion to USD as well as the tokens used.
GasHawk enables free, automated, and non-custodial savings of up to 95% on ETH transaction fees.