• p2shdata - A protocol to store data contained in pay-to-script-hash (p2sh) scriptsigs

• decode raw transaction - Decode a raw transaction

• encryption - Encryption tool using AES-128-CBC algorithm

• Paper Wallets - Generate paper wallets

• brainwallet-generator-tool - Add entropy to create addresses & private keys

• encode-data-in-P2SH-address - Encode data into a P2SH redeemscript. Address is spendable without signature.

• verify a signed message - Verify a message signed with a btc, ltc, doge private key

• coinbin hosted at opreturn.net - Coinb.in suite of tools. source

• Lightning Payment Request Decoder - This tool decodes lightning payment requests source

• iancoleman-bip39-tool - A tool for converting BIP39 mnemonic phrases to addresses and private keys. source

• electrum-iancoleman - electrum-iancoleman.

• Bitcoin Key Compression - This tool converts between compressed and uncompressed bitcoin keys. source

• doughwallet-recovery-tool - This tool helps you to recover the private keys for your dogecoin from a recovery phrase generated from the doughwallet iPhone app. source

• doughwallet-change-address-recovery-tool - The doughwallet tool patched to recover change addresses through derivation path m/0' /1/x

• walletgenerator.net clone - Universal Open Source Client-Side Paper Wallet Generator for BitCoins and other cryptocurrencies. Create your own paper wallet in a few easy steps : Generate, Print and Fold ! source