BuildBear Labs

BuildBear Labs provides cloud-enabled, private and shareable EVM sandboxes and developer tooling to accelerate Web3 dApp testing and debugging. Its platform offers persistent, forkable sandbox environments, easy node provisioning for popular EVM protocols, integrated explorers and unrestricted faucets supplying native and ERC20 tokens, and a plugin ecosystem (including Gelato Web3 Functions, Pimlico, Sentio Tracer/Debugger, Solidity Scan, ChainLink VRF and Blockscout) to simulate real-world Mainnet services. The site reports platform usage metrics including 242K+ total sandboxes and an average sandbox age of 30 days.