BlockScout
BlockScout is a full-featured, open-source explorer for Gnosis Mainnet, Chiado Testnet and many other chains. The Gnosis explorer is available here.
With BlockScout you can:
- View blocks, transactions, accounts, balances, token transfers
- Access blockchain data via API functions
- Read and verify smart contracts
- Use My Account features for advanced transaction tagging and monitoring

Blockscout Pro API
Blockscout Pro API is a new service providing fast, reliable blockchain data access for 100+ chains, including Gnosis. It offers higher rate limits, custom endpoints, improved performance, and multichain support.
You can check it out here: https://dev.blockscout.com/
Full docs: https://docs.blockscout.com/devs/pro-api#pro-api-overview