ABI Calldata Layout Visualizer

Tooling for encoding rpc calls for EVM compatible chains

Aeternity data serialization library

ethscriptions libraries, tools, scripts & more

Just a Kwl Data Companion (High in Kawality)

Protect yourself and your team before signing — designed for multi-signature wallets and critical transactions.

Low-latency TypeScript SDK for parsing BSC calldata, logs, receipts, and real-time transaction streams.

Calldata editor , get offsets

Browser extension for EVM selector/signature lookup, hashing, calldata decode, and explorer enhancement (Etherscan + Blockscout).

A tool to align solidity contract storage and calldata struct to 256 bits to maximazing storage reduction.

Unlock the Power of Inline Assembly: A Smart Contract Developer's Guide

Solidity ABI calldata encoder in pure PHP — byte-for-byte parity with ethers.js v6.

Concurrent Go SDK for low-latency BSC calldata, log, and transaction stream parsing.

A playground for Ethereum calldata

Calldata Network SDK: drive any backend on Ethereum with signed JSON commands in transaction calldata. @calldatasdk/sdk, /server, /claude.