Showing 406 open source projects for "java open source"

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  • 1
    BlueWallet

    BlueWallet

    Bitcoin thin client for iOS & Android. Built with React Native

    Easily connect to your hardware wallet and manage your cold storage. The best security is available on the Bitcoin protocol. Create wallets with multiple keys. Unfairly cheap and blazing fast transactions on Bitcoin. Get notified of all transactions you are sending or receiving. download bitcoin wallet for iOS. Create multiple storage or fake ones in case of forced disclosure. Choose your fees when sending. Easily bump, cancel or batch transactions. BlueWallet was forged in the ashes of the...
    Downloads: 5 This Week
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  • 2
    AirGap Wallet

    AirGap Wallet

    The AirGap Wallet is installed on an everyday smartphone

    AirGap is a crypto wallet system that lets you secure cypto assets with one secret on an offline device. The AirGap Vault application is installed on a dedicated device that has no connection to any network, thus it is air gapped. The AirGap Wallet is installed on your everyday smartphone. Protect your crypto and store your private keys offline. It’s time to set up your safe place for your coins and get rewards. Based on a two-device approach, increasing security and usability with you in...
    Downloads: 6 This Week
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  • 3
    xrpl.js

    xrpl.js

    A JavaScript/TypeScript API for interacting with the XRP Ledger

    It’s fast, energy-efficient, and reliable. With ease of development, low transaction costs, and a knowledgeable community, it provides developers with a strong open-source foundation for executing on the most demanding projects, without hurting the environment. Open source, open to anyone to build on, maintained by the community. Tools and documentation that speed development and reduce time to market. Capable of settling thousands of transactions in seconds. At fractions of a penny per transaction, costs are inexpensive enough to enable a wide variety of use cases. ...
    Downloads: 5 This Week
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  • 4
    wagmi

    wagmi

    React Hooks for Ethereum

    wagmi is a collection of React Hooks containing everything you need to start working with Ethereum. wagmi makes it easy to "Connect Wallet," display ENS and balance information, sign messages, interact with contracts, and much more, all with caching, request deduplication, and persistence. We create a wagmi Client and pass it to the WagmiConfig React Context. The client is set up to use the ethers Default Provider and automatically connect to previously connected wallets. Next, we use the...
    Downloads: 4 This Week
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  • 5
    RoboSats

    RoboSats

    A simple and private bitcoin exchange

    RoboSats is a privacy-preserving, peer-to-peer Bitcoin exchange that allows users to buy and sell Bitcoin using Lightning Network payments without requiring identity verification. It uses Tor by default and leverages a simple robot-based user interface to facilitate one-time trades between anonymous users. Each trade session is isolated, and no long-term accounts or KYC are needed, making RoboSats one of the most private Bitcoin P2P tools available. Designed with a strong focus on usability...
    Downloads: 3 This Week
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  • 6
    WalletConnect v2.x.x

    WalletConnect v2.x.x

    WalletConnect Monorepo

    Open protocol for connecting Wallets to Dapps. The communications protocol for web3, WalletConnect brings the ecosystem together by enabling wallets and apps to securely connect and interact. With WalletConnect, you can connect your wallet with hundreds of apps, opening the doors to a new world of web3 experiences. Uniswap. Swap, earn, and build on the leading decentralized crypto trading protocol. Foundation. Create, collect and sell NFTs.Install nodejs and npm. Install python3 and ensure...
    Downloads: 3 This Week
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  • 7
    Fedimint

    Fedimint

    Federated E-Cash Mint

    Fedimint is a modular open-source implementation of federated Chaumian ecash designed to enable community-controlled Bitcoin custody and privacy-enhanced payments. It allows groups of users to collectively manage Bitcoin in a trust-minimized manner while enabling fast, anonymous, and scalable transactions through blind signatures. Built with extensibility and modularity in mind, Fedimint aims to serve as the core of community custody systems like Fedi and future federated finance applications. ...
    Downloads: 1 This Week
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  • 8
    BTCPay Server

    BTCPay Server

    Free, open-source & self-hosted, Bitcoin payments

    BTCPay Server is a self-hosted, open-source cryptocurrency payment processor. It's secure, private, censorship-resistant, and free. Launch a server in a cloud, your own hardware device, or use an existing host. Connect your e-commerce store or use one of many apps to get paid. Funds arrive directly to your connected wallet. Features you use the most are baked right into every instance so you can hit the ground running.
    Downloads: 2 This Week
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  • 9
    Chainlink

    Chainlink

    node of the decentralized oracle network

    Securely connect smart contracts with off-chain data and services. Chainlink decentralized oracle networks provide tamper-proof inputs, outputs, and computations to support advanced smart contracts on any blockchain. Start building your hybrid smart contract with Chainlink. Use decentralization, trusted nodes, premium data, and cryptographic proofs to connect highly accurate and available data/APIs to any smart contract. Build on a flexible framework that can retrieve data from any API,...
    Downloads: 3 This Week
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  • 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.
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  • 10
    Learning Bitcoin from the Command Line

    Learning Bitcoin from the Command Line

    A complete course for learning Bitcoin programming and usage

    ...It is not yet ready for use. Learning Bitcoin from the Command Line is a project of Blockchain Commons. We are proudly a "not-for-profit" social benefit corporation committed to open source & open development. Our work is funded entirely by donations and collaborative partnerships with people like you. Every contribution will be spent on building open tools, technologies, and techniques that sustain and advance blockchain and internet security infrastructure and promote an open web. We are also tentatively considering what we could include in a v3.0 of the course.
    Downloads: 5 This Week
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  • 11
    Cardano Node

    Cardano Node

    The core component that is used to participate in a Cardano

    Cardano Node is the core software that powers the Cardano blockchain, a decentralized, proof-of-stake platform for smart contracts and digital assets. Developed in Haskell, the node allows participation in Cardano’s network by validating transactions, producing blocks, and maintaining the ledger. It supports Shelley, Goguen, Basho, and other phases of Cardano’s roadmap, and plays a crucial role in network security and consensus. The node is configurable for different use cases, including...
    Downloads: 2 This Week
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  • 12
    Monero Miner on Docker Alpine

    Monero Miner on Docker Alpine

    Monero Miner on Docker - Alpine

    A Docker containerized Monero mining setup for efficient deployment.
    Downloads: 1 This Week
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  • 13
    XMR to BTC Atomic Swap

    XMR to BTC Atomic Swap

    Bitcoin–Monero Cross-chain Atomic Swap

    Bitcoin–Monero Cross-chain Atomic Swap.
    Downloads: 1 This Week
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  • 14
    Lighthouse Ethereum

    Lighthouse Ethereum

    Ethereum consensus client in Rust

    Lighthouse is an Ethereum consensus client that connects to other Ethereum consensus clients to form a resilient and decentralized proof-of-stake blockchain. Lighthouse is available on Linux and macOS via the Homebrew package manager. We implement the specification as defined in the ethereum/consensus-specs repository. Becoming an Ethereum consensus validator is rewarding, but it's not for the faint of heart. You'll need to be familiar with the rules of staking (e.g., rewards, penalties,...
    Downloads: 2 This Week
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  • 15
    Jesse

    Jesse

    An advanced crypto trading bot written in Python

    Jesse is an open-source AI agent framework designed to help developers build and orchestrate intelligent workflows that combine large language models (LLMs) with external tools, automation logic, and real-world actions. It acts as an agent manager where you can define tasks, contexts, and tool integrations so that AI reasoning is reliably connected to deterministic procedures like API calls, data retrieval, and task execution.
    Downloads: 2 This Week
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  • 16
    Remix Project

    Remix Project

    Compiler and IDE that enables users to build Ethereum contracts

    Remix Project is a rich toolset including Remix IDE, a comprehensive smart contract development tool. The Remix Project also includes Remix Plugin Engine and Remix Libraries which are low-level tools for wider use. Remix IDE is used for the entire journey of contract development by users of any knowledge level. It fosters a fast development cycle and has a rich set of plugins with intuitive GUIs. The IDE comes in 2 flavors and a VSCode extension. Supported browsers: Firefox v100.0.1 &...
    Downloads: 3 This Week
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  • 17
    Lightning Network Daemon

    Lightning Network Daemon

    A complete implementation of a Lightning Network node

    The Lightning Network Daemon (lnd), is a complete implementation of a Lightning Network node. lnd has several pluggable back-end chain services including btcd (a full-node), bitcoind, and neutrino (a new experimental light client). The project's codebase uses the btcsuite set of Bitcoin libraries and also exports a large set of isolated re-usable Lightning Network-related libraries within it, and fully conforms to the Lightning Network specification (BOLTs). BOLT stands for Basis of...
    Downloads: 3 This Week
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  • 18
    Coin Wallet

    Coin Wallet

    Coin Wallet is a non-custodial crypto wallet for Bitcoin

    Coin Wallet is a non-custodial multicurrency wallet for multiple platforms. A secure, user-friendly cryptocurrency wallet focused on providing essential features without complicated setup.
    Downloads: 1 This Week
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  • 19
    The XRP Ledger

    The XRP Ledger

    A decentralized cryptographic ledger

    The XRP Ledger is an open source, decentralized and permissionless blockchain technology powered by a network of peer-to-peer servers. It allows for really fast settlement of transactions- within 3-5 seconds- without a central intermediary and in a secure distributed database. The native digital asset on the XRP Ledger is the XRP. A public,counterparty-free asset, it is designed to bridge many different currencies being used worldwide, and is available for anyone to access and trade on the open market. ...
    Downloads: 1 This Week
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  • 20
    Libplanet

    Libplanet

    Blockchain in C#/.NET for on-chain, decentralized gaming

    Libplanet is a .NET library for creating multiplayer online game in decentralized fashion, which means the whole gameplay occurs on a peer-to-peer network among equal nodes rather than an authorized central server. Under the hood, it incorporates many features (e.g., digital signature, BFT consensus, data replication) of a blockchain.
    Downloads: 2 This Week
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  • 21
    Spacemesh

    Spacemesh

    Go Implementation of the Spacemesh protocol full node

    Go-Spacemesh is the official Go implementation of the Spacemesh protocol, a novel blockchain based on Proof of Space-Time (PoST) designed for fair mining and energy efficiency. Unlike Proof of Work, PoST leverages unused hard drive space to secure the network, enabling anyone with a computer to participate without specialized hardware. Spacemesh introduces a mesh-based block DAG (Directed Acyclic Graph) structure for scalable and parallel consensus. The project aims to build a decentralized,...
    Downloads: 1 This Week
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  • 22
    Status - a Mobile Ethereum OS

    Status - a Mobile Ethereum OS

    A free (libre) open source, mobile OS for Ethereum

    ...Safely send, store and receive cryptocurrencies including ERC20 and ERC721 tokens with the Status crypto wallet. Only you hold the keys to your funds. Status' intuitive design protects you and your funds from attacks. Status uses an open-source, peer-to-peer protocol, and end-to-end encryption to protect your messages from third parties. Keep your private messages private with Status. Browse the growing ecosystem of DApps including marketplaces, exchanges, games, and social networks. The latest security standards ensure a private browsing experience. You will never be asked for a phone number, email address, or bank account when generating a Status account. ...
    Downloads: 1 This Week
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  • 23
    PIVX

    PIVX

    Protected Instant Verified Transactions - Core wallet

    PIVX (Protected Instant Verified Transaction) is a privacy-focused cryptocurrency that emphasizes secure and anonymous transactions. Built upon the Bitcoin Core codebase, PIVX integrates advanced privacy protocols to ensure user confidentiality. It aims to provide fast, low-cost transactions while maintaining a high level of security and decentralization.​
    Downloads: 1 This Week
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  • 24
    Swarm Bee

    Swarm Bee

    Bee is a Swarm client implemented in Go

    Bee is a Swarm client implemented in Go. It’s the basic building block for the Swarm network: a private; decentralized; and self-sustaining network for permissionless publishing and access to your (application) data.There are two versioning schemes used in Bee that you should be aware of. The main Bee version does NOT follow strict Semantic Versioning. Bee hosts different peer-to-peer wire protocol implementations and individual protocol breaking changes would necessitate a bump in the major...
    Downloads: 2 This Week
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  • 25
    Gnosis Safe Contracts

    Gnosis Safe Contracts

    Gnosis Safe allows secure management of blockchain assets

    The most trusted platform to manage digital assets on Ethereum. Access the most recent version of the Safe directly in your browser. Download the Safe as a static desktop application for Windows, MacOS or Linux. Conveniently manage your digital assets on the go. Fully customize how you manage your company crypto assets, with the option to require a predefined number of signatures to confirm transactions. Require multiple team members to confirm every transaction in order to execute it, which...
    Downloads: 2 This Week
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