- Stroem Finance - P2P atomic swaps between Ethereum & Kaspa (website, X)
- Hyperlane - permissionless cross-chain messaging; provides USDC.e bridging and messaging for Igra L2 (website)
- KAT Bridge - KRC-20/KRC-721 bridging to Igra plus fast iKAS→KAS exit; Hyperlane-powered bridging across 7 chains (website, X)
- Dymension - decentralized multisig mint-and-burn bridge; KAS on Kaspa L1 mints 1:1 on Dymension, routing onward to Ethereum, Base, BSC, Solana (design, SDK)
- Kasperia - extension wallet with in-app Kasplex stablecoin bridge (USDT/USDC from BNB Chain) (repo)
Note: LayerZero and ChainPort do not support Kaspa (checked July 2026).