Exchanges
Ref Finance

NEAR-native AMM DEX enabling swaps and liquidity pools for NEAR and bridged assets; open SDK and contracts.
Ring Protocol

DEX/liquidity protocol (Ring Swap & Launchpad) focused on maximizing asset utilization; open repos and docs.
RocketSwap

Community-initiated AMM DEX on Base mainnet providing swaps, liquidity, and farming.
SAX Trade

Decentralized platform to tokenize and trade cultural trends/social media phenomena using bonding-curve pricing.
SSeaSwap (Sei)
Sei-native DEX/DeFi suite featuring AMM swaps, bonding-curve launchpad, and token tools.
SecretSwap

Privacy-first, front-running-resistant AMM built on Secret Network; contracts open-sourced by SCRT Labs.
SSenpaiSwap (Boba)
AMM DEX on Boba Network emphasizing DEX-owned liquidity; SENPAI token ecosystem.
SShardeumSwap
Early DEX on the Shardeum ecosystem; swapping and liquidity on Shardeum’s EVM test/main environments.
SharDex

All-in-one DEX on the Shardeum ecosystem offering swap, NFT marketplace, launchpad, lending and more.
ShibaSwap

DEX from the Shiba Inu ecosystem; supports Ethereum and Shibarium with classic AMM (v1) and concentrated-liquidity (v2).
SiennaSwap

Privacy-first AMM on Secret Network enabling private SNIP-20 token swaps with front-running resistance; open-source contracts.
Sirius Finance

Stablecoin-focused AMM on Astar Network (Polkadot ecosystem) providing low-slippage swaps and LP hub features.
SithSwap

Next-gen AMM on Starknet offering volatile & stable pools with ultra-low slippage and near-zero fees.
Skydrome

ve(3,3) decentralized exchange and liquidity marketplace on the Scroll zkEVM; swap, vote to direct emissions, and earn fees via SKY.
Slingshot Finance

Cross-chain DEX aggregator to trade millions of tokens across major chains; campaigns like OP trading rewards on Optimism.
SSobal
Balancer V2-based DEX/asset-management pools operating on Base and Neon EVM.
SSocialSwap
TRON-based AMM DEX with staking/liquidity mining and the SST token.
SolarBeam

Native AMM DEX on Moonriver (Kusama) with a sister exchange (Solarflare) on Moonbeam.
Solarflare

AMM DEX on Moonbeam (Polkadot ecosystem) for fast swaps and liquidity pools.
Sphynx Labs

All-in-one DEX/aggregator with swaps, charts, bridge, farms; active across multiple EVM networks (incl. BSC/Bitgert).
Spin

On-chain order-book DEX on NEAR (with perps/options) delivering CEX-like trading; open SDKs and tooling.
SpiritSwap

Fantom-native AMM DEX (volatile + stable pools) with routing, farming, and portfolio tools.
SpookySwap

Fantom-native AMM DEX (volatile & stable pools) with farms/bridge and V3 CL features.
