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Top 15 Solidity Web3 Projects
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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pos-portal
Smart contracts that powers the PoS (proof-of-stake) based bridge mechanism for Matic Network
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libharberger
A dapptools/foundry-ready library for charging Harberger taxes on partial common non-fungible property.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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Project mention: Simple Solidity lib to deploy CREATE3 contracts | news.ycombinator.com | 2024-09-25
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Project mention: Show HN: CKBX: The Web3 version of the one-million-checkboxes challenge | news.ycombinator.com | 2024-09-11
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contracts
Converts the informal ownership structure of an open-source git project to a formal DAO, with token distribution mechanisms for contributors. (by git-consensus)
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smart-contracts
[crypto] A collection of the smart contracts for unreleased decentralized applications I've made, each with their own description, functionality, and truffle tests. Feel free to utilize or improve on them. (by keidyz)
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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).
Solidity Web3 discussion
Solidity Web3 related posts
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Are there books about hacks and how they happened?
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Daily General Discussion - December 3, 2022
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I built infinitive scale on-chain zero trust service as a contract
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Daily General Discussion - September 24, 2021
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UPDATE: Issues using PoS Bridge from Matic > ETH Network. Assets in neither wallet.
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Example flash loan templates in solidity for aave or dydx?
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A note from our sponsor - InfluxDB
influxdata.com | 19 Apr 2025
Index
What are some of the best open-source Web3 projects in Solidity? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | DeFiHackLabs | 5,667 |
| 2 | contracts | 1,039 |
| 3 | aave-flashloan-mix | 401 |
| 4 | pos-portal | 387 |
| 5 | opml | 307 |
| 6 | nftx-protocol-v2 | 122 |
| 7 | libharberger | 24 |
| 8 | flex-protocol | 17 |
| 9 | create3-proxy | 16 |
| 10 | ckbx | 12 |
| 11 | contracts | 11 |
| 12 | eth-nfts | 11 |
| 13 | smart-contracts | 6 |
| 14 | HardcoreGamble | 3 |
| 15 | smartcontracts | 3 |
Sponsored
InfluxDB high-performance time series database
Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
influxdata.com