#1
Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
10K starsJun 29, 2026 pushweb3-analyticsRustBlockchain
$ npx skills add foundry-rs/foundryAlternatives
Union alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Union
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
100
Quality
92
Trust
74K
Stars
#2
Solidity, the Smart Contract Programming Language
26K starsSep 16, 2026 pushweb3-analyticsC++Blockchain
$ npx skills add argotorg/solidity#3
Go implementation of the Ethereum protocol
51K starsJun 29, 2026 pushweb3-analyticsGoBlockchain
$ npx skills add ethereum/go-ethereum#4
Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini
22K starsMay 13, 2026 pushweb3-analyticsBlockchain
$ npx skills add ethereumbook/ethereumbook#5
Main repository for the Linera protocol
32K starsJun 29, 2026 pushweb3-analyticsRustBlockchain
$ npx skills add linera-io/linera-protocol#6
Complete Ethereum library and wallet implementation in JavaScript.
8.7K starsJun 18, 2026 pushweb3-analyticsTypeScriptBlockchain
$ npx skills add ethers-io/ethers.js#7
Rust full node implementation of the Fuel v2 protocol.
57K starsJun 28, 2026 pushweb3-analyticsRustBlockchain
$ npx skills add FuelLabs/fuel-core#8
WTF Solidity 极简入门教程，供小白们使用。Now supports English! 官网: https://wtf.academy
14K starsJun 27, 2026 pushweb3-analyticsSolidityBlockchain
$ npx skills add AmazingAng/WTF-Solidity#9
Diem’s mission is to build a trusted and innovative financial network that empowers people and businesses around the world.
17K starsJun 23, 2026 pushweb3-analyticsRustBlockchain
$ npx skills add diem/diem#10
Aptos is a layer 1 blockchain built to support the widespread use of blockchain through better technology and user experience.
6.4K starsSep 13, 2026 pushweb3-analyticsRustBlockchain
$ npx skills add aptos-labs/aptos-core#11
Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿
29K starsMay 13, 2026 pushweb3-analyticsTypeScriptBlockchain
$ npx skills add slymnoyann/hey-1#12
Reference implementation of Anoma
34K starsJun 15, 2026 pushweb3-analyticsElixirBlockchain
$ npx skills add anoma/anoma#13
Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy.
17K starsJun 18, 2026 pushweb3-analyticsGoBlockchain
$ npx skills add hyperledger/fabric#14
Chia blockchain python implementation (full node, farmer, harvester, timelord, and wallet)
11K starsJun 29, 2026 pushweb3-analyticsPythonBlockchain
$ npx skills add Chia-Network/chia-blockchain#15
Production-grade Rust-native trading engine with deterministic event-driven architecture
23K starsJun 14, 2026 pushsports-analyticsRustSports Analytics
$ npx skills add nautechsystems/nautilus_trader#16
FHEVM, a full-stack framework for integrating Fully Homomorphic Encryption (FHE) with blockchain applications
25K starsJun 16, 2026 pushlegal-complianceRustPrivacy
$ npx skills add zama-ai/fhevmHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Union if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.