The 12 Best Blockchain Dev in 2026

Alchemy

Blockchain developer platform providing node APIs, data APIs, and tooling across 50+ chains.

Freemium

Best for: Web3 developers who need reliable multi-chain node access without running their own blockchain infrastructure.

anoma

Distributed operating system for blockchain app builders

Free

Best for: blockchain developers building cross‑chain, privacy‑focused applications

Hardhat

Open-source Ethereum development environment for compiling, testing, and deploying smart contracts.

Free

Best for: Solidity developers who want a fast, scriptable local test and deploy loop with real debugging tools.

Tenderly

A simulation and monitoring platform for previewing, debugging, and monitoring onchain transactions.

Freemium

Best for: Web3 teams that need to simulate, debug, and monitor onchain transactions before and after they happen.

ccxt

Unified crypto exchange API for 100+ markets

Free

Best for: Quant traders building multi‑exchange bots with code control

Remix IDE

Free browser-based IDE for writing, testing, debugging, and deploying Ethereum smart contracts.

Free

Best for: Anyone writing, testing, or teaching Solidity smart contracts without local setup.

Infura

Blockchain node infrastructure and APIs for building Web3 applications.

Paid (Subscription)

Best for: Developers building dApps who want reliable blockchain node access without self-hosting infrastructure.

thirdweb

A Web3 development platform for building blockchain apps, wallets, and AI-agent payments.

Freemium

Best for: Development teams that want managed smart contract, wallet, and payment infrastructure instead of building it in-house.

openzeppelin-contracts

Battle‑tested Solidity library for secure smart contract development

Free

Best for: Ethereum Solidity developers building secure, upgradeable contracts

Blockchair

Powerful multi-chain blockchain explorer and analytics platform

Freemium

Best for: Developers and analysts needing multi‑chain data with export and API