Optimism

Cross-Chain Router Protocol (CRP), envisioned to be the ultimate router for Web3.

Poly Network is a global cross-chain protocol for implementing blockchain interoperability and building Web3.0 infrastructure. Poly Network has also integrated over 20 blockchains.

Synapse is a universal cross-chain liquidity network. Synapse connects blockchains by offering an extensible cross-chain communication protocol that supports assets, smart contract calls, and more

A protocol for sending tokens across rollups and their shared layer-1 network in a quick and trustless manner

An open protocol providing access to inter-blockchain liquidity for all decentralized applications. Bring BTC, BCH and ZEC to your Ethereum app.

Access cross-chain opportunities on the World's Leading Blockchains using Relay's simple, fast, and secure bridge

Fast, non-custodial L1-L2 and cross-L2 communication.

Multi-chain bridge

XY Finance is One-Stop Cross-Chain Swap Aggregator for DeFi & Metaverse.