Production-ready Next.js + wagmi + viem starter pre-configured for 12 EVM chains via SwiftNodes RPC.

Real-time EVM mempool watcher with pluggable filters. Streams pending transactions over WebSocket, decodes method signatures, prints structured events. 6 chains.

CLI + library for scanning a wallet across 12 EVM chains in parallel. Native + stablecoin balances, block heights, JSON output.

Real-time tracker for cross-chain bridge transactions. Watches Across, Stargate, and Hop deposit events across multiple chains.

Security tool that scans a wallet for active ERC-20 token approvals across 12 EVM chains. Surfaces unlimited-allowance grants.

Real-time memecoin / new-token scanner for EVM chains. Watches DEX factory contracts via WebSocket and runs 5 safety heuristics. Alerts only.

Lightweight SQLite-backed EVM event indexer. Backfills + streams via WebSocket. Subgraph alternative without external dependencies.

Terminal portfolio viewer for EVM wallets. Native + ERC-20 balances across 12 chains with live USD valuations from CoinGecko. JSON, CSV, watch modes.

Open-source vendor-neutral RPC benchmark. Median, p95, success rate across SwiftNodes, Alchemy, Infura, QuickNode, dRPC, Ankr.

Educational template for EVM new-pair detection. Listens to PairCreated events on Uniswap V2 forks via WebSocket and prints token launches in real time. 5 chains.

Multi-chain gas tracker for 12 EVM chains. CLI, HTTP API server, and embeddable widget. EIP-1559 + legacy gas, slow/standard/fast tiers.