The top Scaling projects, ranked by prominence — TVL, market cap, funding, and on-chain activity.

Mantle Network
Unifying TradFi and DeFi on Ethereum L2
ethereummantle

Boba Network
Hybrid Compute L2 bridging Web2 and Web3
bobaethereum

SOLAXY
The connected Layer 2 for all ecosystems
ethereumsolana

Arbitrum
Ethereum scaling with optimistic rollups
arbitrumarbitrum-novaethereum

Gattaca
Scaling Ethereum rollups with aligned incentives
ethereum

Polygon Foundation
Ethereum's scaling and infrastructure platform
ethereumpolygon