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💧 Rainlang 💧

Rainlang is an onchain smart contract language for any EVM, designed to be much easier to read and write.

Rainlang is:

  • parsed onchain (by a smart contract)
  • interpreted onchain (by a smart contract)
  • permissionlessly extensible (add your own words to the language)
  • immutable (none of the contracts are upgradable or have admin keys)

Raindex

Raindex is a new kind of DEX, where all of the orders are smart contracts written in Rainlang. Think perpetual, algorithmic strategies.

Read more on the docs

Community

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  1. rain.interpreter rain.interpreter Public

    Solidity library for implementing Rain compatible interpreters.

    Solidity 15 1

  2. rain.orderbook rain.orderbook Public

    Rain orderbook libraries, subgraph and contract implementation.

    Rust 19 15

  3. decentralicense decentralicense Public

    Modified CAL with opinions on user private key management and definitions of decentralisation.

    1

  4. rain.things.to.build rain.things.to.build Public

Repositories

Showing 10 of 126 repositories
  • rain.orderbook Public

    Rain orderbook libraries, subgraph and contract implementation.

    rainlanguage/rain.orderbook’s past year of commit activity
    Rust 19 15 301 (6 issues need help) 59 Updated Mar 12, 2026
  • rain.metadata Public

    Contracts, libs, and tooling for Rain metadata

    rainlanguage/rain.metadata’s past year of commit activity
    Rust 0 1 6 2 Updated Mar 12, 2026
  • rain.interpreter Public

    Solidity library for implementing Rain compatible interpreters.

    rainlanguage/rain.interpreter’s past year of commit activity
    Solidity 15 1 30 2 Updated Mar 12, 2026
  • rainix Public

    Nix derivations for common rain automations and development environment configuration.

    rainlanguage/rainix’s past year of commit activity
    Nix 2 2 5 2 Updated Mar 12, 2026
  • rain.deploy Public

    Tools for deploying Solidity code and checking existing deployments to supported networks.

    rainlanguage/rain.deploy’s past year of commit activity
    Solidity 0 0 0 0 Updated Mar 12, 2026
  • rain.strategies Public
    rainlanguage/rain.strategies’s past year of commit activity
    Rust 2 2 5 20 Updated Mar 12, 2026
  • rain.math.float Public

    An implementation of decimal floating point math in Solidity (mostly yul assembly).

    rainlanguage/rain.math.float’s past year of commit activity
    Solidity 0 1 16 1 Updated Mar 10, 2026
  • rain.tofu.erc20-decimals Public

    TOFU lookups for erc20 decimals

    rainlanguage/rain.tofu.erc20-decimals’s past year of commit activity
    Solidity 0 0 0 0 Updated Mar 10, 2026
  • specs Public
    rainlanguage/specs’s past year of commit activity
    3 MIT 1 1 5 Updated Mar 9, 2026
  • rain.raindex.interface Public

    Interfaces for the rain orderbook.

    rainlanguage/rain.raindex.interface’s past year of commit activity
    Solidity 0 0 0 0 Updated Mar 7, 2026
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