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@horizontalsystems

Horizontal Systems

Building financial instruments for sovereign minded. Unchain assets. Go bordereless. Stay private.

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  1. unstoppable-wallet-android unstoppable-wallet-android Public

    A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, inst…

    Kotlin 1.2k 465

  2. unstoppable-wallet-ios unstoppable-wallet-ios Public

    Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Impl…

    Swift 854 295

  3. ethereum-kit-android ethereum-kit-android Public

    Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for Android, implemented on Kotlin. Create wallets, watch wallets (read-only), sync transactions, filte…

    Kotlin 116 65

  4. bitcoin-kit-android bitcoin-kit-android Public

    Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing stand…

    Kotlin 169 83

  5. BitcoinCore.Swift BitcoinCore.Swift Public

    Comprehensive Bitcoin development library for iOS, implemented on Swift.

    Swift 29 23

  6. EvmKit.Swift EvmKit.Swift Public

    EVM toolkit for iOS. This is a core package, that implements the main features of an Ethereum client like interactions with Ethereum RPC node, account and transactions synchronization and others.

    Swift 23 24

Repositories

Showing 10 of 130 repositories
  • unstoppable-wallet-android Public

    A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, institutional grade analytics for cryptcurrency and NFT markets, extensive privacy controls and human oriented design. Implemented on Kotlin.

    horizontalsystems/unstoppable-wallet-android’s past year of commit activity
    Kotlin 1,157 MIT 465 297 1 Updated Feb 18, 2026
  • monero-kit-android Public
    horizontalsystems/monero-kit-android’s past year of commit activity
    CMake 0 MIT 3 0 0 Updated Feb 18, 2026
  • bitcoin-kit-android Public

    Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing standards and BIPs.

    horizontalsystems/bitcoin-kit-android’s past year of commit activity
    Kotlin 169 MIT 83 38 0 Updated Feb 18, 2026
  • unstoppable-wallet-ios Public

    Multi-wallet for Bitcoin, Ethereum, Binance Smart Chain and other emerging blockchains. Non-custodial storage, decentralized exchange, and extensive analytics for thousands of tokens and NFTs. Implemented on Swift.

    horizontalsystems/unstoppable-wallet-ios’s past year of commit activity
    Swift 854 MIT 295 111 3 Updated Feb 18, 2026
  • swap.unstoppable Public

    https://swap.unstoppable.money

    horizontalsystems/swap.unstoppable’s past year of commit activity
    TypeScript 0 MIT 0 0 0 Updated Feb 17, 2026
  • markets-server Public
    horizontalsystems/markets-server’s past year of commit activity
    JavaScript 6 3 14 0 Updated Feb 13, 2026
  • blockchain-fee-rate-kit-android Public

    Real-time network transaction fee rates for Bitcoin, Bitcoin Cash and Ethereum blockchains. The kit provides recommended values for high-priority as well as regular-priority transactions.

    horizontalsystems/blockchain-fee-rate-kit-android’s past year of commit activity
    Kotlin 11 MIT 23 1 0 Updated Feb 13, 2026
  • EvmKit.Swift Public

    EVM toolkit for iOS. This is a core package, that implements the main features of an Ethereum client like interactions with Ethereum RPC node, account and transactions synchronization and others.

    horizontalsystems/EvmKit.Swift’s past year of commit activity
    Swift 23 MIT 24 0 0 Updated Feb 12, 2026
  • MoneroKit.Swift Public
    horizontalsystems/MoneroKit.Swift’s past year of commit activity
    C++ 0 MIT 1 1 0 Updated Feb 11, 2026
  • solana-kit-android Public

    Pure Kotlin Solana kit. Uses metaplex-foundation/SolanaKT. Syncs solana wallet and provides structured data.

    horizontalsystems/solana-kit-android’s past year of commit activity
    Kotlin 8 10 1 0 Updated Feb 11, 2026
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