Off-chain storage for Subsocial blockchain. This app builds user feeds and notifications by subscribing to Substrate events.

XLN Typescript reference implementation

Nano Name Service

Phat Contract Offchain Rollup implementation

smart-contracts for CryptoBrawl

backend service api contains metadata info, about nft itens (description, images etc) for using on all nft tokens like erc1155 and erc721 it follows the standard using by opensea marketplace

Sentinel Python SDK is designed for building custom on-chain and off-chain data processors and detectors

A Cardano blockchain application framework

XFT's repo of blockchain-related resources

Ethereum Oracle and Offchain Development Toolset

Barebones Blockchain

Burner Wallet to quickly transfer crypto in a web browser. Send money for no fees. Sweep to cold storage when you get home

Research Implementation of Minimum Viable Plasma

Tomi Mesh is an chat application utilizing XMTP. It allows users to connect various wallet applications, engage in chat conversations, and supports accessibility and localization.

Davy Jones' Locker

Zoffee Solidity

Offchain Café EVM indexing node

An API for sending offchain payments using https://github.com/dmidnight/merkle-commitments-contract