https://seascape.finance — is the first ever dapp on Kusama Blockchain. Running on Moonriver parachain.
Its the based on Uniswap V2 and its open source.
One more addition that we added to Seadex is the control of possible Tokens to add.
The available list of tokens are listed on https://tokenlists.org/token-list?url=https://cdn.seascape.network/seadex/seadex.tokenlist.json