bitcoinj
bitcoinj is a library for working with the Bitcoin protocol. It can maintain a wallet, send/receive transactions without needing a local copy of Bitcoin Core and has many other advanced features. It`s implemented in Java but can be used from any JVM compatible language: examples in Python and JavaScript are included.
DuckCreation
MoreDuckies is an interactive digital pet game built on RUN token protocol. Players can nurture and grow their very own ducks in the game.
Pew Pew
Bitcoin Token Protocol
BTP is a UTXO token protocol on top of Bitcoin built with sCrypt.
Note.SV
Blockchain Notebook in Web3
BSV-ex
BSV-ex is a general purpose library for building BSV applications in Elixir. Under the hood, Curvy is used for all secp256k1 flavoured crypto, making BSV-ex the only pure Elixir Bitcoin library.
Bitcoin OP_RETURN Bytecode
BOB (Bitcoin OP_RETURN Bytecode) is a new transaction serialization format for dealing with Bitcoin transactions, especially OP_RETURNs.
Neon Planaria
Neon Planaria is a new version of Planaria which is completely re-written from scratch. It is drastically simplified yet exponentially more powerful. The main design goals are: simplicity and flexibility:
SymRe
SymRe allows to use Bitcoin to store and retrieve short URLs.