Showing 360 open source projects for "java open source"

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  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
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  • 1
    Rust-Lightning

    Rust-Lightning

    Bitcoin Lightning library written in Rust

    Rust-Lightning is a Bitcoin Lightning library written in Rust. The main crate, lightning, does not handle networking, persistence, or any other I/O. Thus, it is runtime-agnostic, but users must implement basic networking logic, chain interactions, and disk storage. The project implements all of the BOLT specifications in the 1.0 spec. The implementation has pretty good test coverage that is expected to continue to improve. It is also anticipated that as developers begin using the API, the...
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  • 2
    rate.sx

    rate.sx

    Curl cryptocurrencies exchange rates

    rate.sx is a command-line-friendly cryptocurrency rate service designed to be queried with curl or a browser, returning clean text or minimal markup. It emphasizes human-readable output by default, with options for concise one-liners or richer summaries including sparkline-style ASCII charts. The service supports multiple coins, fiat conversions, and historical lookups so you can compare prices over time without leaving the terminal. Under the hood it aggregates price feeds and normalizes...
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  • 3
    Sign-In with Ethereum

    Sign-In with Ethereum

    Sign-In with Ethereum library

    Sign-In with Ethereum is a new form of authentication that enables users to control their digital identity with their Ethereum account and ENS profile instead of relying on a traditional intermediary. Already used throughout web3, this is an effort to standardize the method with best practices and to make it easier for web2 services to adopt it. Sign-In with Ethereum describes how Ethereum accounts authenticate with off-chain services by signing a standard message format parameterized by...
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  • 4
    superfluid protocol-monorepo

    superfluid protocol-monorepo

    Superfluid protocol specification, implementations and development kit

    Superfluid is an asset streaming protocol that brings subscriptions, salaries and rewards to DAOs and crypto-native businesses. Settle employees and contributors compensation once and for all, without frictions or fees. Your tokens flow in a continuous stream to recipients, until you edit their compensation or choose to stop it. Create, modify or close streams in a single interface, even if the stream was started on other applications. The Superfluid Protocol is a framework that realizes the...
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  • Leverage AI to Automate Medical Coding Icon
    Leverage AI to Automate Medical Coding

    Medical Coding Solution

    As a healthcare provider, you should be paid promptly for the services you provide to patients. Slow, inefficient, and error-prone manual coding keeps you from the financial peace you deserve. XpertDox’s autonomous coding solution accelerates the revenue cycle so you can focus on providing great healthcare.
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  • 5
    Synthetix

    Synthetix

    Synthetix Solidity smart contracts

    Synthetix is a new financial primitive enabling the creation of synthetic assets, offering unique derivatives and exposure to real-world assets on the blockchain. Leveraging the Synthetix debt pool and our innovative liquidity framework, our traders are guaranteed to have some of the best price execution around, with little to no slippage and fills you can’t get elsewhere. Capture the price movements of popular cryptocurrencies, fiat currencies, stocks, commodities and more with zero...
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  • 6
    Nethereum

    Nethereum

    Ethereum .Net cross platform integration library

    Nethereum is the .Net integration library for Ethereum, simplifying the access and smart contract interaction with Ethereum nodes both public or permission like Geth, Parity or Quorum. Nethereum is developed targeting netstandard 1.1, netstandard 2.0, netcore 2.1, netcore 3.1, net451 and also as a portable library, hence it is compatible with all the operating systems (Windows, Linux, MacOS, Android, and OSX) and has been tested on cloud, mobile, desktop, Xbox, hololens and windows IoT....
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  • 7
    Stellar Go

    Stellar Go

    Stellar's public monorepo of go code

    Creating equitable access to the global financial system. This repo is the home for all of the public Go code produced by the Stellar Development Foundation. This repo contains various tools and services that you can use and deploy, as well as the SDK you can use to develop applications that integrate with the Stellar network. Full-featured API server for Stellar network. This repository is officially supported on the last two releases of Go. In addition to the other top-level packages,...
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  • 8
    Grin

    Grin

    Minimal implementation of the Mimblewimble protocol

    Grin is an in-progress implementation of the Mimblewimble protocol. Grin is a privacy-preserving digital currency built openly by developers and distributed all over the world. Grin has no amounts and no addresses. Transactions can be trivially aggregated. To hide the origin of a newly created transaction, it gets relayed among a sub-set of peers before it is widely broadcasted. Electronic transactions for all. Without censorship or restrictions. Designed for the decades to come, not just...
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  • 9
    Topos Protocol

    Topos Protocol

    Client of the Topos protocol

    Topos, the first zero-knowledge blockchain ecosystem, will allow you to deploy sovereign execution layers and DApps with native interoperability and cryptographic security. Explore protocol, guides, and references to get up and running on the Topos platform. Topos has something to offer for you. Web3 developers, whether from the Ethereum domain or other popular ecosystems, frequently grapple with inherent platform challenges. Topos is a technology created to alleviate these concerns and...
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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  • 10
    EthereumJS Monorepo

    EthereumJS Monorepo

    Monorepo for the Ethereum VM TypeScript Implementation

    This repository holds various protocol building blocks of the Ethereum blockchain execution layer and is managed by the Ethereum Foundation JavaScript team. There is a TypeScript implementation of the Ethereum Virtual Machine (EVM) ready to be used in Node.js or a browser environment, implementations of core structural blockchain building blocks like an Ethereum Tx, Block or Blockchain as well as a Trie (Merkle Patricia Tree) and devp2p (execution networking layer) implementation. All...
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  • 11
    Qtum

    Qtum

    Qtum Core Wallet

    Qtum is a decentralized blockchain project built on Bitcoin's UTXO model, with support for Ethereum Virtual Machine-based smart contracts, and secured by a proof of stake consensus model. It achieves this through the revolutionary Account Abstraction Layer which allows the EVM to communicate with Qtum's Bitcoin-like UTXO blockchain. Welcome to the Qtum Ignition Main Network. This is the main network where the tokens hold value and should be guarded very carefully. If you are testing the...
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  • 12
    Mina

    Mina

    Mina is a new cryptocurrency with a constant size blockchain

    We are the world’s lightest blockchain, powered by participants. Using zero-knowledge technology, Mina is creating the infrastructure for the secure, democratic future we all deserve. Build on Mina with zkApps, smart contracts powered by zero-knowledge. The SDK, based on Typescript, will be available soon. The Mina blockchain remains ~22kb, enabling users to quickly and directly access the current state from their smartphone and other blockchains. Users today are compelled to hand over their...
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  • 13
    Kohaku

    Kohaku

    Privacy-first tooling for the Ethereum ecosystem

    Kohaku is an open-source initiative by the Ethereum Foundation aimed at bringing privacy-by-default tooling into the Ethereum ecosystem. It comprises an SDK of privacy primitives, a reference wallet implementation (browser extension), and a collaboration platform for existing wallet teams to adopt composable privacy building blocks. The project recognizes that privacy leaks in Ethereum go beyond just on-chain visibility — they include RPC endpoints exposing IPs, address reuse across dApps, and metadata captured by analytics or monitoring systems. ...
    Downloads: 1 This Week
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  • 14
    Neon Wallet

    Neon Wallet

    Self-custodial wallet for managing digital assets

    Neon Wallet is a self-custodial wallet for managing digital assets on desktop and mobile, supporting Neo, Ethereum, and EVM networks, with full user control. Available as a desktop wallet on Windows, Mac OS X, and Linux, the NEON wallet allows users to claim GAS on the NEO network.
    Downloads: 0 This Week
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  • 15
    Blockchain Guide

    Blockchain Guide

    Introduce blockchain related technologies, from theory to practice

    ...At present, blockchain technology is still in a stage of rapid development, involving distributed systems, cryptography, game theory, network protocols, and many other disciplines, which bring challenges to both learning and practice. This book hopes to objectively explore the ins and outs of the blockchain concept, analyze key technologies and principles, and use the world's largest open-source distributed ledger project, Hyperledger, as an example to explain specific applications. In the process of developing the Hyperledger project and designing solutions for enterprises, the author has accumulated some practical experience.
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  • 16
    ETH-XMR Atomic Swaps

    ETH-XMR Atomic Swaps

    ETH-XMR atomic swap implementation

    This is an implementation of ETH-XMR atomic swaps, which are currently in beta. It currently consists of swapd and swapcli binaries, the swap daemon and swap CLI tool respectively, which allow for nodes to discover each other over the p2p network, to query nodes for their currently available offers, and the ability to make and take swap offers and perform the swap protocol. The swapd program has a JSON-RPC endpoint that the user can use to interact with it. swapcli is a command-line utility...
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  • 17
    BitShares Core

    BitShares Core

    BitShares Blockchain implementation and command-line interface

    BitShares Core is the BitShares blockchain implementation and command-line interface. The web browser-based wallet is BitShares UI. BitShares requires a 64-bit operating system to build, and will not build on a 32-bit OS. BitShares requires Boost libraries to build, and supports versions 1.58 to 1.74. Newer versions may work but have not been tested. If your system came pre-installed with a version of Boost libraries that you do not wish to use, you may manually build your preferred version...
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  • 18
    Dogecoin Mining - Software

    Dogecoin Mining - Software

    This is a multi-threaded multi-pool FPGA and ASIC miner for DOGECOIN

    Dogecoin Mining - Software is an open source miner for ASIC, GPU and FPGA. It works on Windows, Linux and macOS. This miner is extremely flexible in terms of platform and can work with a variety of hardware miners and GPUs including AMD, CUDA and NVIDIA platforms.
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    Downloads: 73 This Week
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  • 19
    ScareCrow-Bitcoin-Miner

    ScareCrow-Bitcoin-Miner

    ScareCrow Bitcoin Miner is a powerful, user-friendly mining applicatio

    ScareCrow Bitcoin Miner is the next generation of cryptocurrency mining software designed for both beginners and professionals. With a compact Windows-style interface, ScareCrow provides everything you need to monitor, optimize, and manage your mining operation: Start & Stop Controls — Take full control of your mining sessions at the click of a button. Real-Time BTC Prices — Integrated price feed powered by CoinGecko keeps you updated with the latest Bitcoin value. Earnings...
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    Downloads: 24 This Week
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  • 20
    ElectricBlue-Ethereum-Miner

    ElectricBlue-Ethereum-Miner

    ElectricBlue Ethereum Miner is an easy-to-use Windows ETH mining softw

    🚀 Start Mining Ethereum Instantly with ElectricBlue ETH Miner! ElectricBlue Ethereum Miner is an easy-to-use Windows ETH mining software that lets anyone mine Ethereum directly from their PC or laptop — no expensive hardware or middleman needed. ⚙️ How It Works: ElectricBlue connects you straight to trusted Ethereum mining pools, allowing your computer to contribute processing power and earn ETH coins directly into your wallet. Once you reach 0.1 ETH, you can instantly withdraw your...
    Downloads: 19 This Week
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  • 21
    key-elf

    key-elf

    Forensic tool to recover lost BTC private keys.

    A powerful utility to hunt down Bitcoin private keys from deleted wallet.dat files or damaged hard drives. If you accidentally deleted your Bitcoin Core wallet or formatted your disk, this tool can help. It bypasses the file system and scans the raw data directly, looking for the unique "fingerprint" (ASN.1 signature) of Bitcoin private keys to recover them from the digital wreckage.The Graphical User Interface (GUI) is the advanced/premium version. If needed, please visit:...
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    Downloads: 26 This Week
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  • 22
    Bitcoin Private Key Calculator
    A simple program to bruteforce a bitcoin address private key
    Downloads: 9 This Week
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  • 23
    Haveno App

    Haveno App

    The multi-platform app client user interface for Haveno

    Downloads: 16 This Week
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  • 24
    Rich Address Downloader

    Rich Address Downloader

    Rich Cryptocurrency Wallet Address Downloader (Auto Update) v2.0.1

    Rich Cryptocurrency Wallet Address Download with RAD v2.0.1 (Auto Update) All Latest Bitcoin Wallet , Latest All Ethereum Address Wallet and Tron , Dash , Dogecoin , Litecoin on Rich Address Downloader (RAD)
    Downloads: 12 This Week
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  • 25
    OctoBot

    OctoBot

    Crypto investment, now on autopilot

    OctoBot is built for investors to get the best of their investments using the most profitable strategies. - Automate your crypto investment with proven strategies - Test before using your real funds - Enjoy the best trading strategies for free - Follow your investment from your mobile - Turn your best trading ideas into automated strategies with TradingView or python
    Downloads: 7 This Week
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