5 alternatives to openzeppelin-contracts

openzeppelin/openzeppelin-contracts — OpenZeppelin Contracts is a library for secure smart contract development. (27,304 stars, MIT, payments, dev-tools, database).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 69 licence-cleared components from openzeppelin/openzeppelin-contracts itself.

The alternatives in detail

• foundry-rs/foundry
  Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
  score 6.4/10 · Apache-2.0 permissive · 10,751 stars · 717 components · search them
• mystenlabs/sui
  Sui, a next-generation smart contract platform with high throughput, low latency, and an asset-oriented programming model powered by the Move programming language
  score 4.7/10 · Apache-2.0 permissive · 7,783 stars · 2,950 components · search them
• unionlabs/union
  The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
  score 7.4/10 · Apache-2.0 permissive · 73,729 stars · 1,585 components · search them
• shardeum/shardeum
  Shardeum is an EVM based autoscaling blockchain
  score 6.7/10 · MIT permissive · 31,183 stars · 153 components · search them · alternatives
• scaffold-eth/scaffold-eth-2
  Open source forkable Ethereum dev stack
  score 7.3/10 · MIT permissive · 2,057 stars · 71 components · search them

Licence data: JustClaw-It's per-repo licence policy. Is openzeppelin-contracts still maintained? Check it. Licence details: licence checker. Ranking data from 2026-11-04T22:41:13Z.