OpenZeppelin Contracts is a library for secure smart contract development.
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SubQuery is an Open, Flexible, Fast and Universal data indexing framework for web3. Our mission is to help developers create the decentralised products of the future.
Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy.
- hyperledger
- fabric
- blockchain
- distributed-ledger
:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
- chrome
- extension
- ethereum
- firefox
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
A collection of practical security-focused guides and checklists for smart contract development
Smart contracts which are formally verified
K Semantics of the Ethereum Virtual Machine (EVM)
Python Bitcoin tools
- bitcoin
- tools
- python
- bitcoin-transaction
Python-based EOS smart-contract development & testing framework
- eos
- smart-contracts
- python
- unit-testing
the Bitcoin companion
The Algorand AlgoKit CLI is the one-stop shop tool for developers building on the Algorand network.
- algokit
- app
Integrated Ethereum implementation and tool suite focused on Solidity testing and development.
Framework to automate development of Algorand Assets and Smart Contracts.
- algorand
- algorand-assets
- yarn
- teal
Develop and deploy smart contracts using natural language.
- ai-web3
- web3-agents
- web3-ai
- agents-web3
Redspot is an Substrate pallet-contracts (ink!) development environment. Compile your contracts and run them on a different networks. Redspot's core forks from Hardhat but changed a lot to suit substrate.
A subset of TypeScript for developing Algorand Smart Contracts. Enables AVM development with native TypeScript syntax, tooling, and IDE support
BlockTrail's Developer Friendly PHP SDK for the BlockTrail API
Cross platform C# library for talking to the Trezor hardwarewallet
BlockTrail's Developer Friendly NodeJS SDK for the BlockTrail API
Tealang - high level language for Algorand ASC1 and TEAL
Complete EOSIO framework for development, testing, and deployment in JavaScript
- eosio
- eoslime
Halva is a toolchain for improving the experience of developing Decentralized Applications based on Substrate.
Clarigen is a developer tool for writing Typescript code that interacts with Clarity smart contracts