Solidity on-chain

Open-source Solidity projects categorized as on-chain
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Solidity on-chain Projects

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on-chain

  1. NFT-On-Chain-Metadata

    ERC721 and ERC1155 with on-chain metadata for SVG and HTML based NFTs

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  3. pythia-oracle-examples

    Solidity examples for integrating Pythia Oracle feeds — EMA, RSI, Bollinger Bands on-chain via Chainlink. 4 lines of code to add market intelligence to any smart contract.

    Project mention: On-Chain Alerts for Smart Contracts Using a Pub-Sub Pattern | dev.to | 2026-04-09

    git clone https://github.com/pythia-the-oracle/pythia-oracle-examples cd pythia-oracle-examples npm install # Deploy to Polygon Amoy testnet npx hardhat run scripts/deploy-events.js --network amoy

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

# Project Stars
1 NFT-On-Chain-Metadata 69
2 pythia-oracle-examples 0

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