There are 2 repositories under parachain topic.
An Ethereum-compatible smart contract parachain on Polkadot
A decentralized lending & staking protocol built on top of the Polkadot ecosystem.
Picasso Kusama and Composable Polkadot parachains
OAK(Onchain Autonomous Framework) is a unique blockchain built on Substrate framework with event-driven smart contract VM, autonomous transactions, and on-chain scheduler.
Hyperbridge is a hyperscalable coprocessor for verifiable, cross-chain interoperability
Parity Substrate(-based) chains usage and development support
A trustless, cross-chain bridging protocol.
DataHighway Node. A blockchain being built with Substrate to become a parachain on the Polkadot network. Planned features include a decentralized LPWAN roaming hub for LoRaWAN IoT devices and network operator roaming agreements, participative mining, an inter-chain data market, and DAO governance. http://www.datahighway.com
SORA is a new economic system aimed at creating a supranational, world economic system with built-in tools for decentralized finance (DeFi). The SORA network implements a new way of parachain architecture on Polkadot and Kusama network, with the capability to bridge external blockchains (like Ethereum) to the Polkadot ecosystem.
Fork your substrate-based blockchain state and run all kinds of simulation tests on the runtime.
Polkaholic - Substrate Chain Block Explorer for Polkadot/Kusama Chains and Parachains
NeuroWeb Network is a decentralized Artificial Intelligence blockchain designed to incentivise knowledge creation, connectivity and sharing through Knowledge Mining.
The Subsocial parachain, built with the Substrate framework, provides the blockspace and social primitives needed to build a decentralized social graph.
The Ajuna Node for Kusama and Polkadot
SORA is a new economic system aimed at creating a supranational, world economic system with built-in tools for decentralized finance (DeFi). The SORA network implements a new way of parachain architecture on Polkadot and Kusama network, with the capability to bridge external blockchains (like Ethereum) to the Polkadot ecosystem.
DAO as a service parachain for Polkadot. Built with Parity Substrate. Supports various pluggable voting systems.
Documentation about Chains of the Polkadot and Kusama networks
Astar network official Polkadot crowdloan campaign contribution page
Composable Finance is introducing a new solution which allows for participation in our parachain with ETH or any ERC-20 token asset, rather than purchasing DOT/KSM and leaving it to sit. With our novel approach, we expand our ability to stake DOT/KSM and allow for users to continue to gain profits on their staked assets.
⛓ Kabocha's parachain repo, tools for sovereign creator member societies, and a "playground of possibilities"
Metadot is a browser extension based non-custodial crypto wallet built to support the Polkadot & Kusama Ecosystem.
A sample substrate parachain code in with staking feature implementation.
Polkaholic API Documentation
Subsocial tokens-giving bot frontend to the faucet.
A decentralized social network based on defi and message encryption.
A bot for Polkadot parachain auction.
Discord .NET Bot for Substrate Nodes