raw₿it — Visual Bitcoin TX builder & Script debugger
Visual, embedded React component for building Stellar transactions step by step
A minimal yet powerful Bitcoin transaction builder CLI in Python. It fetches UTXOs, builds raw transactions, signs them securely using your WIF private key, and outputs a broadcast-ready hex. Perfect for blockchain learners, BTC devs, and CLI tool lovers.
Go SDK for offline BSC transaction building, signing, nonce management, and multi-relay submission.
Deprecated in favor of walletsuite/walletsuite-tx-compiler (Rust).
Client-side transaction builder for the Ergo blockchain. Implements EIP-12 connector standards and UTXO selection logic via Fleet SDK.
Safe PSBT transaction builder with advanced UTXO selection, fee optimization (vbytes), RBF signaling, and machine-checkable JSON reporting.
Bitcoin PSBT Builder: Summer of Bitcoin (Challenge 2)
XChain Platform Encoder - turns an ACTION into a ready-to-sign transaction
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