Software

List of Bitcoin-related software. See also Category:Software.

Be sure to keep on top of the latest security vulnerabilities!

Bitcoin clients

Bitcoin clients

• Bitcoin-Qt - C++/Qt based tabbed UI for Bitcoin, Linux/MacOSX/Windows, full-featured
• bitcoind - GUI-less version of the standard Bitcoin client, providing JSON-RPC interface (see also -server option of the standard client)
• Bitcoin-js-remote - JavaScript RPC client, support for QR codes
• subvertx -Command line bitcoin tools.
• BitCoinJ - Java client library by Google, early development stage
• Electrum - lightweight client
• MultiBit - a secure, lightweight, international Bitcoin wallet for Windows, MacOS and Linux
• Bitcoiner - Java RPC client (Android)
• Spesmilo - Python/PySide RPC client
• Armory - python-based client currently an alpha-level release, the beta version is being crowdfunded

Frontends to eWallet

• BitPay - Android application
• Blockchain - Javascript bitcoin client with client side encryption.

Experimental

• Freecoin - C++ client, supports alternative currencies like Beertoken
• BitDroid - Java client
• Bitdollar - C++/Qt client, unstable beta version

Libraries

• libbitcoin
• BCCAPI (Bitcoin Client API) - a java library designed for making secure light-weight bitcoin clients.

Bitcoin Trade Data

• Bitcoin Charts – Prices, volume, and extensive charting on virtually all Bitcoin markets.
• MtGox Live - An innovative chart showing a live feed of MtGox trades and market depth. (Must Use Chrome)
• BTCCharts - An innovative chart showing a live feed of multiple markets, currencies and timeframes.
• BitcoinExchangeRate.org - Bitcoin and USD converter with convenient URL scheme and Auto-updating Portfolio Spreadsheet.
• Bitcoin Sentiment Index - A financial index that collects and disseminates sentiment data about bitcoin.
• Preev - Bitcoin converter with live exchange rates.

Bitcoin software

Web interfaces for merchants

• Bitcoin Evolution - Non wallet-based Buy Now button to insert into websites (handles sales tracking; client must be used for actual transaction)
• Bit-pay - Buy Now buttons, Checkout posts/callbacks, Mobile Checkout, JSON API
• Btceconomy - a JavaScript widget listing items for sale
• Javascript Bitcoin Converter - currency conversion
• WalletBit - Easy JavaScript Buy Now buttons, Instant Payment Notification, Application Programming Interface (JSON API), Mobile Checkout, QR-Code

Shopping Cart Integration in eCommerce-Systems

• Zen Cart Bitcoin Payment Module - a payment module that interacts with bitcoind for the Zen Cart eCommerce shopping chart.
• Karsha Shopping Cart Interface - is a mobile payment-interface which enables its users to accept payments.
• Bitcoin-Cash - an easy to use payment module for xt:Commerce
• Bit-pay - bitcoin plugins for Magento, Opencart, Zencart, PHP, JSON API
• WalletBit - Plugins for PrestaShop, OpenCart, PHP, JSON API
• OsCommerce Bitcoin Payment Module - a payment module that uses a python monitoring script to interact with bitcoind for OsCommerce

Web apps (opensource)

• Bitcoin Central - currency exchange
• Bitcoin Poker Room - poker site
• Abe - block chain viewer
• Simplecoin - PHP web frontend for a pool
• bitcoin_simple_php_tools simple php tools for webmasters

Browser extensions

• Bitcoin Extension - check balance and send bitcoins (Chrome)
• Bitcoin Prices (extension) - monitoring price (Firefox)
• Bitcoin Ticker - monitoring price (Chrome)
• Bitcoin Tool - recognizes Bitcoin addresses on websites (Firefox, Chrome, IE)
• Biticker - Bitcoin ticker, currency converter and history price graph (Chrome)

PC apps

• BTConvert - currency conversion
• Sierra Chart MtGox Bridge - real-time charting
• BTC Trader - live charting and tech-analysis
• BitTicker - monitoring price (Mac OS X)
• ToyTrader - a command line trading tool for MtGox
• goxsh - a command-line frontend to the Mt. Gox Bitcoin Exchange (Python)
• MyBitcoins gadget - monitoring pool earnings / price (Windows gadget)
• Bitcoin QR Popup - streamlined interface to bitcoin for POS systems (Windows)

Mobile apps

iPhone / iPad

• Blockchain - Fully featured iphone bitcoin app.
• Bitcoin Ticker (iPhone) - monitoring price w/push notifications
• BitCoins Mobile - First iPad native app! Live market data, news feeds, mining pool statistics, full screen exchange price charts, bitcoin network statistical charts. (iPad only, iPhone/iPod Touch coming soon!)
• BitcoinTrader - Spend/receive BTC via QR codes, trade, deposit/withdraw, etc. Supports Mt. Gox, TradeHill, ExchB, CampBX, and InstaWallet.
• Bit-pay - Mobile Checkout, set prices in any currency and receive mobile-to-mobile payment
• Easywallet.org - Web based wallet, works with QR Code scanner on iPhone/iPad/iPod touch

Android

• Direct link to Android Market bitcoin apps. https://play.google.com/store/search?q=bitcoin
• Bitcoin Alert - monitoring price (Android)
• Bitcoin-android - Does not appear to be being maitained anymore. https://market.android.com/details?id=com.bitcoinandroid
• Bitcoin Wallet Balance - view your balance in real time on your android phone
• Bitcoin Wallet for Android - This is the most functional android bitcoin wallet application. https://market.android.com/details?id=de.schildbach.wallet
• BitcoinSpinner - Single address, easy to use, lightweight and open source client. Keys stored on device.
• BitcoinX - monitoring price (Android)
• BitPay - https://market.android.com/details?id=com.bitcoin.bitpay (Is not related to the bit-pay.com online payment processor.)
• Blockchain - Lightweight Android Bitcoin Client - Also works with blockchain.info web interface and iphone app.
• BtcMobile - monitoring price and mining pool statistics (iPhone/iPad, Android)
• Easywallet.org - Web based wallet, works with QR Code scanner on Android devices
• Miner Status - monitoring miner status (Android)
• SMS Bitcoins - transactions by SMS

see also Bitcoin Payment Apps

Operating systems

• LinuxCoin - a lightweight Debian-based OS, with the Bitcoin client and GPU mining software

Mining apps

• BTCMiner - Bitcoin Miner for ZTEX FPGA Boards
• Poclbm - Python/OpenCL GPU miner (GUI(Windows & MacOS X))
• Poclbm-mod - more efficient version of Poclbm (GUI)
• DiabloMiner - Java/OpenCL GPU miner (MAC OS X GUI)
• RPC Miner - remote RPC miner (MAC OS X GUI)
• Phoenix miner - miner
• Cpu Miner - miner
• Ufasoft miner - miner
• Pyminer - Python miner, reference implementation
• Remote miner - mining pool software
• Open Source FGPA Bitcoin Miner - a miner that makes use of an FPGA Board

Mining Pool Servers (backend)

• Pushpoold - The original mining pool server
• Poold - Python mining pool server
• PoolServerJ - Java mining pool server

Utilities, libraries, and interfaces:

• Bitcointools - a set of Python tools accessing the transaction database and the wallet
• Finance::MtGox - a Perl module which interfaces with the Mt. Gox API
• BitcoinCrypto - a lightweight Bitcoin crypto library for Java/Android
• Bitcoin Dissector - a wireshark dissector for the bitcoin protocol

Lists of software

• BitGit - list of Bitcoin-related opensource projects hosted at Git

Developer resources

• Category:Developer
• Category:Technical
• Original Bitcoin client/API calls list
• API reference (JSON-RPC)
• PHP Developer Introduction

Other

• Namecoin - a distributed naming system based on Bitcoin technology
• Bitcoin Consultancy - an organization providing open source software and Bitcoin-related consulting
• Open Transactions - a financial crypto and digital cash software library, complementary to Bitcoin
• Moneychanger - Java-based GUI for Open Transactions
• BTCnames - a webbased aliasing service which allows to handle unlimited names for your BTC deposit hashes
• Devcoin - the open source developer coin