what's Futex Labs?

Futex Labs is a blockchain infrastructure company focused on delivering high-performance RPC endpoints for networks including Polygon, Base, Optimism, and Arbitrum. As part of Developer DAO, they power the D_D Cloud platform, offering developers lightning-fast, reliable RPC services through a decentralized network that ensures high uptime and redundancy. Features include free monthly RPC allotments, USDC payments across chains, and tools like a CLI for API key management. Their engineering prioritizes reliable, intuitive, and correct software, independent of specific tools or languages. Futex Labs contributes to the Rust ecosystem with open-source libraries such as Stack String (sstr), a stack-allocated string type compatible with no_std environments, zero heap allocation, and serde integration, enabling efficient string handling in embedded and blockchain contexts.

Futex Labs open-sourced sstr, a no_std, stack-allocated string library with no heap memory.