Solidity Ethereum

Open-source Solidity projects categorized as Ethereum

Top 23 Solidity Ethereum Projects

  • DeFiHackLabs

    Reproduce DeFi hacked incidents using Foundry.

    Project mention: DeFi Hacks Reproduce in Foundry | | 2022-12-31
  • echidna

    Ethereum smart contract fuzzer

    Project mention: Echidna 2.0.5 brings prank support and many performance improvements! | | 2023-01-21
  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

  • not-so-smart-contracts

    Examples of Solidity security issues

    Project mention: Websites to practice white hat/ how to get into contract security? | | 2022-08-02
  • erc721

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

    Project mention: TIME Interview, Ethereum’s Vitalik: "Crypto Is Becoming Right-Leaning Thing, If It does happen, We’ll Sacrifice Lot of Potential Crypto Has To Offer” | | 2022-03-19

    lool! I use the erc721 repo like every week! It works really well! haha. It's so good!

  • v2-periphery

    🎚 Peripheral smart contracts for interacting with Uniswap V2

    Project mention: Uniswap Deep Dive 1: | | 2022-11-06

    For source code, Uniswap V2 Core and Uniswap V2 Peripheral

  • awesome-solidity-gas-optimization

    Best resources for Solidity gas optimizations ⛽

  • unlock

    Ʉnlock is a protocol for memberships built on a blockchain.

    Project mention: Crypto bros | | 2023-01-20

    This is exactly how something like Unlock Protocol works.

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

  • dss

    Dai Stablecoin System

    Project mention: Generating Dai on local fork | | 2022-08-10

    If you need to open a CDP, i'd look for the DaiJoin and GemJoin contracts ( and use those to "join" some collateral into a vault, then "exit" the dai out of the system.

  • contracts

    Collection of smart contracts deployable via thirdweb (by thirdweb-dev)

    Project mention: Setup Smart Contract Development with Foundry and Thirdweb | | 2022-09-06

  • prettier-plugin-solidity

    A Prettier plugin for automatically formatting your Solidity code.

    Project mention: Creating a storage contract with EthersJs (notes from Freecodecamp) | | 2022-09-10

    In this part, we're installing this package to make sure that whomever wants to use our code after we push it to somewhere can get the same formatting as we've useed to avoid confusion.

  • prb-math

    Solidity library for advanced fixed-point math

    Project mention: I just released PRBMath V3 - user defined value types are here! | | 2022-11-30

    If you have any feedback, feel free to share it in the Discussions tab on GitHub.

  • securify2

    Securify v2.0

    Project mention: ML for detecting dodgy contracts | | 2022-12-10
  • MultiSigWallet

    Ethereum MultiSigWallet (by ConsenSysMesh)

  • BokkyPooBahsDateTimeLibrary

    Gas-Efficient Solidity DateTime Library

    Project mention: How do you approximate passage of time on-chain? | | 2022-03-22 getMonth

  • ds-proxy

    a proxy object that can compose transactions on owner's behalf

  • pos-portal

    Smart contracts that powers the PoS (proof-of-stake) based bridge mechanism for Matic Network

  • nft-contracts

    Open-source NFT contracts used by Buildship

    Project mention: How to build an NFT minting website on Webflow without code | | 2022-09-10

    MetaverseNFT contract by is used by 100+ collections with 1500ETH+ in total volume. It uses ERC721A, and has 40-100% lower minting gas fees, costs ~10-20$ in gas to deploy, bullet-proof security, and extensions like allowlists, funds/royalty splits, mint passes, etc.

  • hoprnet

    HOPR is an open incentivized mixnet which enables privacy-preserving point-to-point data exchange. HOPR is similar to Tor but actually private, decentralized and economically sustainable.

    Project mention: Introducing Necto Labs: $3 Million R&D fund by Mysterium Network & partners | | 2022-04-01

    This project sounds like it could collaborate with HOPR. Anyone know if there's already collaboration going on here?

  • USM

    Minimalist USD - A minimalist, collateralized stablecoin built on Ethereum.

    Project mention: Daily General Discussion - February 4, 2022 | | 2022-02-04
  • geb

    Core smart contracts for GEB (by reflexer-labs)

    Project mention: how to make a stable token?! | | 2022-11-09

    thank you so much , is this the rai you're talking about , if yes then I took a look at their github and only found their GEB framework , so is that what you meant ?

  • Tokens

    Tokens, Tokens, Tokens (by bokkypoobah)

  • tokenbridge

    A bidirectional Ethereum / RSK Token Bridge implementation. (by rsksmart)

    Project mention: Anyone using BTC native DeFi on rootstock (RSK)? Any downsides to farming on Soveryn? | | 2022-05-08

    Sovryn's RSK <--> ETH Bridge has always been reliable and fair with fees ( RSK has one as well @

  • SaaSHub

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

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). The latest post mention was on 2023-01-21.

Solidity Ethereum related posts


What are some of the best open-source Ethereum projects in Solidity? This list will help you:

Project Stars
1 DeFiHackLabs 2,421
2 echidna 1,910
3 not-so-smart-contracts 1,873
4 erc721 1,009
5 v2-periphery 908
6 awesome-solidity-gas-optimization 901
7 unlock 735
8 dss 638
9 contracts 628
10 prettier-plugin-solidity 627
11 prb-math 517
12 securify2 449
13 chainlink-mix 442
14 MultiSigWallet 306
15 BokkyPooBahsDateTimeLibrary 306
16 ds-proxy 270
17 pos-portal 228
18 nft-contracts 176
19 hoprnet 155
20 USM 126
21 geb 118
22 Tokens 103
23 tokenbridge 91
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives