Showing 307 open source projects for "java open source"

View related business solutions
  • Cloud tools for web scraping and data extraction Icon
    Cloud tools for web scraping and data extraction

    Deploy pre-built tools that crawl websites, extract structured data, and feed your applications. Reliable web data without maintaining scrapers.

    Automate web data collection with cloud tools that handle anti-bot measures, browser rendering, and data transformation out of the box. Extract content from any website, push to vector databases for RAG workflows, or pipe directly into your apps via API. Schedule runs, set up webhooks, and connect to your existing stack. Free tier available, then scale as you need to.
    Explore 10,000+ tools
  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 1
    Mastering the Lightning Network

    Mastering the Lightning Network

    Mastering the Lightning Network (LN)

    ...The book describes the Lightning Network (LN), a Peer-to-Peer protocol running on top of Bitcoin and other blockchains, which provides near-instant, secure, micro-payments. The book is suitable for technical readers with an understanding of the fundamentals of Bitcoin and other open blockchains. Mastering the Lightning Network is released under the Creative Commons CC-BY-NC-ND license, which allows sharing the source code for personal use only. You may read this book for free.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 2
    Algobot

    Algobot

    Cryptocurrency trading bot with a graphical user interface

    Cryptocurrency trading bot that allows users to create strategies and then backtest, optimize, simulate, or run live bots using them. Telegram integration has been added to support easier and remote trading. Please note that Algobot requires TA-LIB. You can view instructions on how to download TA-LIB. For Windows users, it's best to download the .whl package for your Python install and pip install it. For Linux and MacOS users, there's excellent documentation available. Create graphs with...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Gitcoin Web

    Gitcoin Web

    Grow Open Source

    Open source code meets open economies. Build resilient projects, better coordination, and positive-sum outcomes. Growing networks with aligned incentives toward the wellbeing of each participant and the system as a whole. Through distributed funding and organizations, we build together toward our shared goals.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    RaspiBolt

    RaspiBolt

    Bitcoin & Lightning full node on a Raspberry Pi

    Build your own “do-everything-yourself” Bitcoin full node that will make you a sovereign peer in the Bitcoin and Lightning network. With this guide, you can set up a Bitcoin and Lightning node from scratch, doing everything yourself. You will learn about Linux, Bitcoin, and Lightning. As a result, you’ll have your very own RaspiBolt node, built by you and no one else. Let your node validate your own Bitcoin transactions. No need to ask someone else to tell you what’s happening in the Bitcoin...
    Downloads: 0 This Week
    Last Update:
    See Project
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 5
    ERC-721 Token

    ERC-721 Token

    The reference implementation of the ERC-721 non-fungible token

    This is the complete reference implementation of the ERC-721 non-fungible token standard for the Ethereum and Wanchain blockchains. It is also compatible with other EVM compatible chains like Binance Smart Chain (BSC), Avalanche (AVAX) etc. This is an open-source project, complete with Hardhat testing. The purpose of this implementation is to provide a good starting point for anyone who wants to use and develop non-fungible tokens on the Ethereum and Wanchain blockchains. Instead of re-implementing the ERC-721 yourself you can use this code which has gone through multiple audits and we hope it will be extensively used by the community in the future. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    Incubed Client in C

    Incubed Client in C

    The IN3 client (written in C)

    Most blockchains, such as Ethereum, require a client to connect to their blockchain network. Often, these clients require a lot of storage, a very high bandwidth or constant computation. While this is possible to perform on laptops or desktop systems, mobile devices, mobile app, and even web applications struggle to meet these requirements. Currently the solution of choice is to use a light client or remote client on mobile devices. While this may work for mobile phones, most IoT devices are...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Dapp tools by DappHub

    Dapp tools by DappHub

    Dapp, Seth, Hevm, and more

    Command line tools and smart contract libraries for Ethereum smart contract development. All you need Ethereum development tool. Build, test, fuzz, formally verify, debug & deploy solidity contracts. Ethereum CLI. Query contracts, send transactions, follow logs, slice & dice data. Testing-oriented EVM implementation. Debug, fuzz, or symbolically execute code against local or mainnet state. Sign Ethereum transactions from a local keystore or hardware wallet. dapptools is currently in a stage...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    cointop

    cointop

    A fast and lightweight interactive terminal based UI application

    cointop is a fast and lightweight interactive terminal-based UI application for tracking and monitoring cryptocurrency coin stats in real-time. The interface is inspired by htop and shortcut keys are inspired by vim. Vim-inspired shortcut keys, custom key bindings configuration. Custom color scheme configuration, 256-color, and 24-bit support. Save and view favorite coins. Portfolio tracking of holdings view profit & loss. Charts for coin price history and global market graphs. Fuzzy...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 9
    Bcoin

    Bcoin

    Javascript bitcoin library for node.js and browsers

    Bcoin is an advanced fullnode implementation built with JavaScript/C/C++/Node.js. It is easier to use, faster to learn, and more well-documented than competing implementations. Engineered from the ground up to create scalable, flexible, and efficient production-ready systems with unparalleled code readability. Bcoin is consensus-conforming and adheres to the strict security standards of the original implementation maintained by Bitcoin Core. Bcoin can be integrated into almost any desktop or...
    Downloads: 0 This Week
    Last Update:
    See Project
  • Rent Manager Software Icon
    Rent Manager Software

    Landlords, multi-family homes, manufactured home communities, single family homes, associations, commercial properties and mixed portfolios.

    Rent Manager is award-winning property management software built for residential, commercial, and short-term-stay portfolios of any size. The program’s fully customizable features include a double-entry accounting system, maintenance management/scheduling, marketing integration, mobile applications, more than 450 insightful reports, and an API that integrates with the best PropTech providers on the market.
    Learn More
  • 10
    Cryptonose

    Cryptonose

    An application tracking significant price changes on crypto markets

    Cryptonose is a desktop application tracking significant price changes and giving an alerts for crypto markets in real-time. It's helpful if you are a daily trader and want to know instantly if something interesting is happening on your exchange. Cryptonose keeps real-time connection with supported exchanges (Binance, Bitfinex, Huobi, KuCoin and Poloniex, also a DEX: Uniswap V3 is supported). It gives instant notifications about a significant price changes, which is helpful in daily trading...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Kelp

    Kelp

    Kelp is a free and open-source trading bot for the Stellar DEX

    Kelp is a free and open-source trading bot for the Stellar universal marketplace and for centralized exchanges such as Binance, Kraken, CoinbasePro, etc. Kelp includes several configurable trading strategies and exchange integrations. You can define your own parameters or use the sample configurations to quickly get up and running with a trading bot in a matter of minutes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    SilentXMRMiner

    SilentXMRMiner

    A Silent (Hidden) Monero (XMR) Miner Builder

    A cryptocurrency miner designed to run covertly on systems for Monero (XMR) mining.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 13
    ethereumjs-wallet

    ethereumjs-wallet

    Utilities for handling Ethereum keys

    A lightweight wallet implementation. At the moment it supports key creation and conversion between various formats. use a single, maintained version of crypto library (and that should be in line with ethereumjs-util and @ethereumjs/tx). Importing various third-party wallets is possible through the third-party submodule. See our organizational documentation for an introduction to EthereumJS as well as information on current standards and best practices. Random salt for the kdf. Size must...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    Aragon Client

    Aragon Client

    Create and manage decentralized organizations on Ethereum

    Trusted by over 1500 organizations, securing more than $300MM in funds. Create and manage decentralized organizations on Ethereum. Read the User Guide first, if you have any questions as a user. If you'd like to develop an Aragon app, please visit the Aragon Developer Portal. Please report any issues and feedback in the support channel on Discord. For technical stuff, use this project's issues or join the technical conversation in the hacker hangout channel on Discord. To learn more about...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Hyperledger Burrow

    Hyperledger Burrow

    A permissioned Ethereum smart-contract blockchain node

    Hyperledger Burrow is a permissioned Ethereum smart-contract blockchain node. It executes Ethereum EVM and WASM smart contract code (usually written in Solidity) on a permissioned virtual machine. Burrow provides transaction finality and high transaction throughput on a proof-of-stake Tendermint consensus engine. Burrow is a fully-fledged blockchain node and smart contract execution engine -- a distributed database that executes code. Burrow runs Ethereum Virtual Machine (EVM) and Web...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Laravel Crypto Wallet Explorer

    Laravel Crypto Wallet Explorer

    Simple package for interacting with commons crypto wallet explorer

    Simple package for interacting with commons crypto wallet explorer. PHP 7.1+ and Composer are required.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    WaykiChain

    WaykiChain

    Public Blockchain as a Decentralized Finance Infrastructure Service

    WaykiChain is a high-performance, Turing-complete blockchain platform optimized for decentralized applications and smart contracts. It offers a delegated proof-of-stake (DPoS) consensus mechanism for faster transactions and energy efficiency, and it includes support for DeFi, stablecoins, and governance tools. Designed for commercial-grade use, WaykiChain enables developers to build scalable dApps while offering low-latency transaction processing and customizable consensus rules. It...
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    LBRYcrd

    LBRYcrd

    The blockchain that provides the digital content namespace for LBRY

    LBRYcrd uses a blockchain similar to bitcoin to implement an index and payment system for content on the LBRY network. It is a fork of the bitcoin core. In addition to the libraries used by bitcoin, LBRYcrd also uses icu4c. What if anyone in the world could publish digital content, anyone else in the world could access it (for free or for payment), and that entire system worked without any centralized authority or point of control? LBRY uses a public, proof-of-work blockchain that is very...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    money-legos

    money-legos

    One stop shop for Ethereum ABIs, addresses, and Solidity interfaces!

    money-legos is an NPM package that provides you with the mainnet addresses, ABIs, and Solidity interfaces for popular DeFi protocols. Importing specific protocols is also supported.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Binance Triangle Arbitrage

    Binance Triangle Arbitrage

    Detect in-market cryptocurrency arbitrage

    This app monitors the Binance cryptocurrency exchange in search of triangle arbitrage opportunities. The HUD is the chart displayed above. It is repainted after each calculation cycle to show snapshots of currently detected arbitrage opportunities. To disable the HUD, set HUD.ENABLED to false. Three symbols related by exchange rates are involved in the triangle arbitrage. Percent profit or loss from executing the triangle arbitrage. This includes trading fees specified via EXECUTION.FEE...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Guide for the Monero GUI wallet

    Guide for the Monero GUI wallet

    Guide for the Monero GUI wallet

    An open-source guide for setting up and using the Monero GUI wallet focused on security.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    TradingVue.js

    TradingVue.js

    Hackable charting lib for traders. You can draw literally anything

    ...If you create trading software, this lib is probably for you. If you like to make custom indicators and think out of the box, this lib is most likely for you. And if you miss the usability of TradingView.com in other open-source libraries and can't stand it, you are definitely in the right place! The process of adding a new indicator is simple, first you define your own data format (should be timestamped though) and display settings. Customizable colors and fonts. Quite fast (works even with 3 mil candles). Scripts (make your own indicators). Simple API for making new overlays. ...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    DemocracyEarth Wallet

    DemocracyEarth Wallet

    Censorship resistant democracies

    Decentralized human identity without sybils or bots. Built with Kleros and the Ethereum community. No servers or databases are used. Control your identity with any Ethereum wallet. Contribute to the success of UBI and Proof of Humanity by leveraging ETH. Keep ETH or DAI in our smart contract vaults and help burn UBI tokens using yield. Half the yield is used to buy UBI. UBI is then burned, reducing its supply. No biometrics or real names are required. Just a quick video that proves your...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    LBRY Chainquery

    LBRY Chainquery

    Chainquery parses and syncs the LBRY blockchain data

    Chainquery consists of 4 main parts. The API Server, the Daemon, the Job Scheduler, and the upgrade manager. What if anyone in the world could publish digital content, anyone else in the world could access it (for free or for payment), and that entire system worked without any centralized authority or point of control? While the blockchain is the innovation that makes LBRY possible, the Data Network is the layer that actually makes the blockchain useful. The job scheduler schedules different...
    Downloads: 0 This Week
    Last Update:
    See Project