1.btcpayserver / btcpayserverAccept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor. bitcoinbitcoin-payment-gatewaylightning-networkpayment-gatewaybitcoin-payment-processorcrowdfunding+2 moreC#MIT7.9K total2.1K forks+117 starsfrom 7,773 · score 4.77
2.WalletWasabi / WalletWasabiOpen-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.bitcoin-walletprivacybitcoindotnetnbitcoincross-platform+7 moreC#MIT2.6K total574 forks+21 starsfrom 2,615 · score 3.09
3.NethermindEth / nethermindA robust, high-performance execution client for Ethereum node operators.ethereumblockchainevmethereum-clientethC#GPL-3.01.6K total760 forks+17 starsfrom 1,610 · score 2.89
4.neo-project / neoNEO Smart EconomyneoblockchainC#MIT3.5K total1K forks+6 starsfrom 3,535 · score 1.95
6.stratisproject / StratisBitcoinFullNodeArchivedBitcoin full node in C#stratisbitcoinblockchainstratis-bitcoinposwallet+1 moreC#MIT784 total305 forks+1 starsfrom 783 · score 0.69