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

Solana Javascript API

Codecs for strings of different sizes and encodings

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

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

Defines all default Solana RPC subscriptions as types

Helpers for creating transaction messages

Helpers for generating and transforming key material

An RPC Subscriptions transport that uses WebSockets

Shared generic JSON RPC specifications

🔌 TypeScript bindings for Ethereum smartcontracts

An RPC transport that uses HTTP requests

Reusable transformers for patching RPC inputs and outputs

Helpers for representing, fetching and decoding Solana accounts

Helpers for creating and serializing transactions

A generic implementation of JSON RPC Subscriptions using proxies

An abstraction layer over signing messages and transactions in Solana

Helpers for using JavaScript promises

A generic implementation of JSON RPCs using proxies

Helpers for confirming Solana transactions

Helpers for creating subscription-based event emitters

A library for sending JSON RPC requests to Solana RPCs

An abstraction layer over signing messages and transactions in Solana

Type utilties for creating nominal/branded types in TypeScript

Functional JavaScript helpers

Helpers for creating transaction instructions

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

Solana Javascript API

A library for subscribing to Solana RPC notifications

Defines all default Solana RPC methods as types

Type definitions for parsed types used in the Solana RPC

Helpers for defining programs and resolving program errors

Command line tool for developing ambitious ember.js apps

High-level javascript interface for blockchain communication

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

Zero-config TypeChain support for Hardhat

JavaScript and TypeScript library to work with Internet Computer principals

A light weight universal JavaScript base58 encoder / decoder.

JavaScript and TypeScript library to work with candid interfaces

JavaScript and TypeScript library to interact with the Internet Computer

Arweave JS client library

Crockford base-32 checksum encoding

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

The best way to connect a wallet

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

JavaScript and TypeScript library to manage identity with the Internet Computer

Provide local forging functionality to be with taquito

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

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

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.

Base58Check encoding

A module to store and interact with blocks

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

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

Wallet base implementation

A module to store and interact with blocks

Celo's ContractKit to interact with Celo network

Unofficial Hyperliquid API SDK for all major JS runtimes, written in TypeScript. Fork with Node.js 20.18.0+ compatibility.

A pure and powerful JavaScript Bitcoin library.

Output Solidity contract sizes with Hardhat

Light Toolkit for connecting with the Celo network

Local wallet implementation

Provide signing functionality to be with taquito

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

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

MultiversX SDK for JavaScript and TypeScript

Solana helper functions

Avalanche Platform JS Library

Moralis SDK for JavaScript and TypeScript

Michelson parser/validator/formatter

converts michelson data and types into convenient JS/TS objects

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

Generates SDK API from solana contract IDL.

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

Utility functions for @ganache packages

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

MPL Auction House JavaScript 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).

Helpers for converting from legacy web3js classes

Open-source specification for interacting with digital assets on Solana

Classes, interfaces, and types shared across Taquito packages

A pure and powerful JavaScript Dash library.

> TODO: description

JavaScript and TypeScript library to interact with the Internet Computer

Construct, plan and execute transactions from multiple instructions.

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

Crypto lib that provides signer,crypter,hasher interface

> TODO: description

> TODO: description

Ganache's server/provider options TypeScript types

Recursive Length Prefix Encoding Module

Typescript library to aid DApp development on VeChain Thor

Connecting a wallet, made simple.

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

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

TypeScript types and helpers for The Graph Networks Registry

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

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 lib to work with ArcBlock DID

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

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

Ledger wallet implementation

Ledger signer provider

Tool for parsing arbitrary Solana transactions with IDL/custom parsers

Remote wallet implementation

diva - Distributed value exchange upholding security, reliability and privacy

MPL Token Metadata JavaScript API.

MPL Metaplex JavaScript API.

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

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

High-performance Laserstream gRPC client with automatic reconnection

This is the core package for NEAR Wallet Selector.

Multi chain wallet aggregator for web3Auth

TON assembler and disassembler

Export Ethereum smart contract ABIs on compilation

MPL Token Vault JavaScript API.

Fortmatic Javascript SDK

Solidity library for advanced fixed-point math

CAIP standard utils

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

LI.FI Wallet Management solution.

Shared utilities and helper functions for SettleMint SDK modules

JSON Web Token variant for arcblock DID solutions

The JavaScript SDK for Terra

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

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.

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

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

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

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

Solana Javascript API without bigint-buffer dependency

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.

Protocol Buffer files and generated JavaScript classes for Hyperledger Fabric

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

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.

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

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

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

A solidity preprocessor and flattener CLI and library

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

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

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

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

CLI tool for Elephant Network

Typescript types required for lodestar

Modern collection of testing assertions and logging utilities for Solidity

diva - Distributed value exchange upholding security, reliability and privacy

Shared constants for Phantom Wallet SDK

Helpers and utilities shared across ArcBlock Javascript SDK

InterchainJS is a JavaScript library for interacting with Cosmos SDK based blockchains.

Utilities required across multiple lodestar packages

Utilities for Concerto Modeling Language

React hooks for building Solana apps

Multi chain wallet aggregator for web3Auth

Chain parameters required for lodestar

Solana Javascript API

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

openlogin adapter for web3auth

Chain configuration required for lodestar

Javascript lib to work with ArcBlock Verifiable Credentials

Platform-agnostic embedded provider core logic for Phantom Wallet SDK

Typescript client for Polymarket's CLOB

Utility to compile/validate and run ocap contract

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

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

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

Velora SDK

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

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

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

ADNL TypeScript implementation

Gelato Automate Web3 Functions sdk

Static modules generated from forge-sdk protobuf files

Transaction codec and client to communicate with any cosmos blockchain

A Solidity library and EVM hooks for using console.log from Solidity contracts

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

Utility to work with asset and factory on ArcBlock blockchain

Wallet utils package for NEAR Wallet Selector.

Handling hashlinks in Blockcerts

A modern mandatory toolbelt to help test solana SDK libraries and apps on a locally running validator.

A collection of reusable Zod schemas and validators for common data patterns in ICP applications

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

Cosmos message codecs and query implementation generated by telescope for cosmos chains

A pure and powerful JavaScript Bitcoin Cash library.

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

TypeScript framework for zk-SNARKs and zkApps

Auth adapter for Web3auth

Domain Resolution for blockchain domains

Platform-specific binaries for @nomicfoundation/slang.

API to etherscan with a simple interface

Concerto metamodel utilities

Platform-specific binaries for @nomicfoundation/slang.

Utility to work with forge transactions

Client piece of amman which supports with the running validator, relay and storage.

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

Official Solium Plugin for Security-related lint rules

Platform-specific binaries for @nomicfoundation/slang.

Platform-specific binaries for @nomicfoundation/slang.

TLD House (Solana and EVM) Javascript API

Ui modal for web3Auth

Metaplex NFT to pNFT migration validation and tracking program.

Viem (TypeScript Interface for Ethereum) module for SettleMint SDK

Platform-specific binaries for @nomicfoundation/slang.

graphql client to read/write data on arcblock blockchain

Platform-specific binaries for @nomicfoundation/slang.

Portis Web3 SDK

Command line interface for lodestar

A Typescript implementation of the Ethereum Consensus light client

Platform-specific binaries for @nomicfoundation/slang.

General cryptographic functions for use with Lisk-related software

The JavaScript SDK for Axelar Network

UTXOS SDK - Mesh Web3 Services

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

Library to interact with the identity provider to get a credential presentation.

Common NodeJS logger for Lodestar binaries

Beacon Chain state transition function and utils

A Typescript REST client for the Ethereum Consensus API

Spec test suite generator from yaml test files

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

Compile Solidity sources directly from NPM dependencies

The official SDK for integrating Across bridge into your dapp.

Helium public key utilities

Parser for Concerto CTO files

A Typescript implementation of the beacon chain

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

Generate types from an ethereum ABI json file.

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

My Near Wallet package for NEAR Wallet Selector.

Ethereum Attestation Service (EAS) integration for SettleMint SDK

NPM package module for Mempool APIs.

SDK for Hyperliquid API

UTxO RPC auto-generated spec types & stubs

Solana - Everstake Wallet SDK

TypeScript SDK for Terra and Cosmos chains

High-level API to interact with the Polymesh blockchain

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

Wallet UI core

Generate NatSpec documentation automatically on compilation

A Typescript implementation of the Ethereum Consensus Req/Resp protocol

Multi chain wallet aggregator silent MFA for web3Auth