JSPM

Throw, identify, and decode Solana JavaScript errors

Core types and helpers for encoding and decoding byte arrays on Solana

Codecs for numbers of different sizes and endianness

Codecs for strings of different sizes and encodings

Solana Javascript API

Codecs for various data structures

A library for encoding and decoding any data structure

Managing and serializing Rust-like Option types in JavaScript

Ability to test bloom filters for ethereum.

Helpers for generating account addresses

Type utilties for creating nominal/branded types in TypeScript

Helpers for creating subscription-based event emitters

Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK

Reusable transformers for patching RPC inputs and outputs

Helpers for generating and transforming key material

Helpers for creating transaction messages

Helpers for using JavaScript promises

A generic implementation of JSON RPCs using proxies

Shared generic JSON RPC specifications

An abstraction layer over signing messages and transactions in Solana

Helpers for confirming Solana transactions

Helpers for representing, fetching and decoding Solana accounts

An RPC transport that uses HTTP requests

A generic implementation of JSON RPC Subscriptions using proxies

An RPC Subscriptions transport that uses WebSockets

Type definitions for values used in the Solana RPC, and helper functions for working with them

Defines all default Solana RPC subscriptions as types

Helpers for creating and serializing transactions

Functional JavaScript helpers

A library for subscribing to Solana RPC notifications

Helpers for creating transaction instructions

A library for sending JSON RPC requests to Solana RPCs

An abstraction layer over signing messages and transactions in Solana

Solana Javascript API

Type definitions for parsed types used in the Solana RPC

Defines all default Solana RPC methods as types

Helpers for defining programs and resolving program errors

🔌 TypeScript bindings for Ethereum smartcontracts

Command line tool for developing ambitious ember.js apps

Construct, plan and execute transactions from multiple instructions.

High-level javascript interface for blockchain communication

Zero-config TypeChain support for Hardhat

Arweave JS client library

A light weight universal JavaScript base58 encoder / decoder.

JavaScript and TypeScript library to work with Internet Computer principals

A library and cli to create a local blockchain for fast Ethereum development.

Crockford base-32 checksum encoding

JavaScript and TypeScript library to work with candid interfaces

Provide local forging functionality to be with taquito

A complete TypeScript library for connecting to and making transactions on different blockchains

converts michelson data and types into convenient JS/TS objects

JavaScript and TypeScript library to interact with the Internet Computer

The best way to connect a wallet

Resolves Custom Program Errors from Solana program logs or error codes.

A module to store and interact with blocks

A modular set of compiler APIs empowering the next generation of Solidity code analysis and developer tooling. Written in Rust and distributed in multiple languages.

JavaScript and TypeScript library to manage identity with the Internet Computer

Hyperliquid API SDK for all major JS runtimes, written in TypeScript.

A pure and powerful JavaScript Bitcoin library.

Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the deployment and execution, Hardhat Ignit

converts michelson data and types into convenient JS/TS objects

Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the deployment and execution, Hardhat Ignit

Michelson parser/validator/formatter

Provides low level methods, and types to invoke RPC calls from a Nomadic Tezos RPC node

A module to store and interact with blocks

High level functionality that builds upon the other packages in the Tezos Typescript Library Suite.

Classes, interfaces, and types shared across Taquito packages

ultra-lightweight library for Bitcoin Cash, Bitcoin, and Bitauth

Base58Check encoding

Moralis SDK for JavaScript and TypeScript

Output Solidity contract sizes with Hardhat

MultiversX SDK for JavaScript and TypeScript

Provide signing functionality to be with taquito

The Ethers extension to Hardhat Ignition. Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over t

TON assembler and disassembler

Avalanche Platform JS Library

Flare Platform JS Library

An easy-to-use JavaScript API for the Internet Computer.

Cryptographic functions for ethereum and how to use them with web3 and solidity

JavaScript and TypeScript library to manage Secp256k1KeyIdentities for use with the Internet Computer

Solana helper functions

A collection of utilities and constants for NNS/SNS projects.

Avalanche Platform JS Library

A pure and powerful JavaScript Dash library.

Open-source specification for interacting with digital assets on Solana

Generates SDK API from solana contract IDL.

MPL Auction House JavaScript API.

MPL Candy Guard JavaScript API. This MPL package is for the current generation of the Candy Guard

The Codex SDK for JavaScript/Typescript. It provides generated types and convenient ways to access the graphql api.

MPL Candy Machine Core JavaScript API. This MPL package is for the current generation of the Candy Machine Core (a.k.a. Candy Machine V3).

Wallet base implementation

Connecting a wallet, made simple.

Celo's ContractKit to interact with Celo network

Light Toolkit for connecting with the Celo network

Utility functions for @ganache packages

Local wallet implementation

Helpers for converting from legacy web3js classes

JavaScript and TypeScript library to interact with the Internet Computer

> TODO: description

Typescript client for Polymarket's CLOB

Recursive Length Prefix Encoding Module

Ganache's server/provider options TypeScript types

> TODO: description

> TODO: description

Contains constants, types and interfaces used across the SDK and different serialization libraries

A library for interfacing with the Internet Computer's Network Nervous System.

a modern javascript/typescript client library for interacting with the Solana blockchain

Multicall allows multiple smart contract constant function calls to be grouped into a single call and the results aggregated into a single result

A polyfill that adds Ed25519 key manipulation capabilities to `SubtleCrypto` in environments where it is not yet supported

Fortmatic Javascript SDK

Wallets - https://meshjs.dev/apis/wallets

Transactions - https://meshjs.dev/apis/transaction

Export Ethereum smart contract ABIs on compilation

Remote wallet implementation

Types and utilities functions between Mesh and cardano-js-sdk

Ledger signer provider

Multi chain wallet aggregator for web3Auth

Ledger wallet implementation

High-performance Laserstream gRPC client with automatic reconnection

CAIP standard utils

Load Ledger Connect Kit at runtime, a library for dApps to integrate with the Ledger Extension and Ledger Live

TypeScript types and helpers for The Graph Networks Registry

diva - Distributed value exchange upholding security, reliability and privacy

JavaScript library to mock web3 responses either by emulating web3 wallets or web3 RPC requests.

This is the core package for NEAR Wallet Selector.

The Viem extension to Hardhat Ignition. Hardhat Ignition is a declarative system for deploying smart contracts on Ethereum. It enables you to define smart contract instances you want to deploy, and any operation you want to run on them. By taking over the

JavaScript and TypeScript library to communicate with web signers on the Internet Computer

UTXOS SDK - Web3 infrastructure platform for UTXO blockchains

Mesh SDK Core - https://meshjs.dev/

React component library - https://meshjs.dev/react

Utilities for Concerto Modeling Language

JavaScript and TypeScript library to interact with signers on the Internet Computer

LI.FI Wallet Management solution.

Shared constants for Phantom Wallet SDK

The JavaScript SDK for Terra

Javascript lib to work with ArcBlock DID

Portis Web3 SDK

Crypto lib that provides signer,crypter,hasher interface

The fastest way to create Solana apps

Blockchain data providers - https://meshjs.dev/providers

Utility functions to encode and decode message that can send to forge

JavaScript library to mock web3 responses either by emulating web3 wallets or web3 RPC requests.

MPL Token Metadata JavaScript API.

Official Solium Plugin for Security-related lint rules

Decode ethers.js smart contract errors into human-readable messages

SDK for Hyperliquid API

Utility to work with asset and factory on ArcBlock blockchain

React hooks for building Solana apps

Protocol Buffer files and generated JavaScript classes for Hyperledger Fabric

JSON Web Token variant for arcblock DID solutions

Static modules generated from forge-sdk protobuf files

Utility to compile/validate and run ocap contract

This package encapsulates the common code used by the `fabric-ca-client`, `fabric-network` packages.

Javascript lib to work with ArcBlock Verifiable Credentials

A solidity preprocessor and flattener CLI and library

MPL Metaplex JavaScript API.

Simple, functional big number library for up to 256-bit (32-byte) numbers that outputs decimal strings, with hex, binary, octal, and Buffer decoding/encoding.

SDK for writing node.js applications to interact with Hyperledger Fabric. This package encapsulates the APIs to interact with the Fabric CA to manage user certificates lifecycle such as register, enroll, renew and revoke.

JavaScript and TypeScript library to provide a simple integration with an IC Internet Identity

MPL Token Vault JavaScript API.

SDK for writing node.js applications to interact with Hyperledger Fabric. This package encapsulates the APIs to connect to a Fabric network, submit transactions and perform queries against the ledger.

Get Ethereum block number by a given date. Or blocks by a given period duration.

Parser for Concerto CTO files

Solidity library for advanced fixed-point math

diva - Distributed value exchange upholding security, reliability and privacy

Typescript library to aid DApp development on VeChain Thor

UTxO RPC auto-generated spec types & stubs

Domain Resolution for blockchain domains

Solana Javascript API without bigint-buffer dependency

Tool for parsing arbitrary Solana transactions with IDL/custom parsers

Shared utilities and helper functions for SettleMint SDK modules

Linter to identify and fix Style & Security issues in Solidity

Concerto metamodel utilities

A pure and powerful JavaScript Bitcoin Cash library.

openlogin adapter for web3auth

Multi chain wallet aggregator for web3Auth

graphql client to read/write data on arcblock blockchain

Convert an Ethereum public key to an address

A client library to interact with UTxO RPC compliant endpoints

Utility to work with forge transactions

Platform-agnostic embedded provider core logic for Phantom Wallet SDK

Convert an Ethereum private key to a public address

Convert an Ethereum private key to a public key

API to etherscan with a simple interface

Modern collection of testing assertions and logging utilities for Solidity

Utilities required across multiple lodestar packages

Compile Solidity sources directly from NPM dependencies

Gelato Automate Web3 Functions sdk

Helpers and utilities shared across ArcBlock Javascript SDK

Wallet UI core

Typescript types required for lodestar

Funkit Chains SDK centralizes chain information across all funkit apps and packages.

Funkit Utils SDK centralizes all utilities & consts for usage across all funkit apps and packages.

General cryptographic functions for use with Lisk-related software

TLD House (Solana and EVM) Javascript API

The JavaScript SDK for Axelar Network

Platform-specific binaries for @nomicfoundation/slang.

MCP interface for SettleMint SDK, providing development tools and project management capabilities

Command-line interface for SettleMint SDK, providing development tools and project management capabilities

Solana Javascript API

React components for Wallet UI

Chain parameters required for lodestar

React components for Wallet UI

Blockscout integration module for SettleMint SDK, enabling blockchain explorer and analytics functionality

Handling hashlinks in Blockcerts

Viem (TypeScript Interface for Ethereum) module for SettleMint SDK

A tiny library to work with Substrate and Ethereum addresses and do some more

Tailwind CSS for Wallet UI

Chain configuration required for lodestar

Generate types from an ethereum ABI json file.

Core JavaScript SDK for integrating SettleMint's blockchain platform services into your applications

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Ui modal for web3Auth

Buidler is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

IPFS integration module for SettleMint SDK, enabling decentralized storage and content addressing

Auth adapter for Web3auth

Portal API client module for SettleMint SDK, providing access to smart contract portal services and APIs

MinIO integration module for SettleMint SDK, providing S3-compatible object storage capabilities

A tiny zero-dependency library to format coins, primarily for crypto, with broader applications as well.

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Hasura and PostgreSQL integration module for SettleMint SDK, enabling database operations and GraphQL queries

ADNL TypeScript implementation

Platform-specific binaries for @nomicfoundation/slang.

Helper function to setup DID Connect support on a node.js web server

TheGraph integration module for SettleMint SDK, enabling querying and indexing of blockchain data through subgraphs

Library of utilities for Sign in with Aptos

A latency and sync speed optimized, developer friendly blockchain data indexer.

TypeScript SDK for Terra and Cosmos chains

The official SDK for integrating Across bridge into your dapp.

Helium public key utilities

Wallet utils package for NEAR Wallet Selector.

TypeScript framework for zk-SNARKs and zkApps

A Typescript implementation Ethereum Consensus fork choice

Solana - Everstake Wallet SDK

Common NodeJS logger for Lodestar binaries

Base eslint config for Lisk projects.

Command line interface for lodestar

A Typescript REST client for the Ethereum Consensus API

Next.js integration module for SettleMint SDK, providing React components and middleware for web applications

APIs replacing ethereumjs-* packages

Remove Hardhat console.log imports and calls from Solidity source files

A pure and powerful JavaScript Litecoin library.

A latency and sync speed optimized, developer friendly blockchain data indexer.

Compact library for interacting with Ankr APIs.