Developer tools & open source✦Editorial profile
bitcoinj
A Java library for Bitcoin transactions, wallets and the protocol.
Project or serviceView listing
Developer tools & open source
Coinb.in
Browser tools to build, inspect and sign Bitcoin transactions.
What it does
Coinb.in supplies browser tools for creating addresses and building, signing or decoding transactions. You can run a downloaded copy locally. Inspect the source, choose the correct network and use an offline setup for signing; broadcasting still requires a network connection.
Features & requirements
- Custody
- Self-custodyTransactions are signed in the browser. Verify the source and use an offline copy for signing.Source · 9 Oct 2026 ↗
- Pricing
- Free software; network or service fees may applySource · 9 Oct 2026 ↗
- Platforms
- Web, Source code, Self hostedSource · 9 Oct 2026 ↗
- Bitcoin support
- Native BitcoinSource · 9 Oct 2026 ↗
Sources & freshness
Awesome Bitcoin ↗Source refreshed · 8 Oct 2026
1Bitcoin editorial ↗Source refreshed · 9 Oct 2026
Discovery from igorbarinov/awesome-bitcoin. Follow the linked official project for current information. CC0 1.0 ↗
Editorial review · 9 Oct 2026
Imported records link to their sources. An entry is a discovery aid, not an endorsement.
Website freshness
Website responded to the check. Checked 9 Oct 2026.