Top 10 Solidity Web3 Projects

DeFiHackLabs

2 4,680 9.7 Solidity

Reproduce DeFi hacked incidents using Foundry.
contracts

1 924 9.1 Solidity

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

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
aave-flashloan-mix

1 397 0.0 Solidity

A Brownie mix containing all you need to get started with developing flash loans
pos-portal

1 327 3.5 Solidity

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

1 22 0.0 Solidity

A dapptools/foundry-ready library for charging Harberger taxes on partial common non-fungible property.
flex-protocol

2 18 3.4 Solidity

[onchain] Decentralized payment links, enabled by smart contracts.
contracts

3 13 10.0 Solidity

Converts the informal ownership structure of an open-source git project to a formal DAO, with token distribution mechanisms for contributors. (by git-consensus)
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
eth-nfts

1 11 0.0 Solidity

Deploy ERC-721 contracts to the Ethereum blockchain and mint your own NFTs
smart-contracts

1 4 10.0 Solidity

[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)
HardcoreGamble

1 3 1.8 Solidity

Gambling Smart Contract project.

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 related posts

Are there books about hacks and how they happened?
1 project | /r/ethereum | 24 Feb 2023
Daily General Discussion - December 3, 2022
5 projects | /r/ethfinance | 3 Dec 2022
I built infinitive scale on-chain zero trust service as a contract
1 project | /r/programming | 25 Jul 2022
Daily General Discussion - September 24, 2021
2 projects | /r/ethfinance | 23 Sep 2021
UPDATE: Issues using PoS Bridge from Matic > ETH Network. Assets in neither wallet.
1 project | /r/maticnetwork | 17 Jun 2021
Example flash loan templates in solidity for aave or dydx?
1 project | /r/ethdev | 20 Jan 2021
A note from our sponsor - WorkOS
workos.com | 25 Apr 2024

The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning. Learn more →

Index

What are some of the best open-source Web3 projects in Solidity? This list will help you:

	Project	Stars
1	DeFiHackLabs	4,680
2	contracts	924
3	aave-flashloan-mix	397
4	pos-portal	327
5	libharberger	22
6	flex-protocol	18
7	contracts	13
8	eth-nfts	11
9	smart-contracts	4
10	HardcoreGamble	3