brutesubs is an automation framework designed to streamline subdomain discovery operations by orchestrating multiple open-source subdomain bruteforcing tools simultaneously. The framework utilizes Docker Compose to manage and execute various subdomain enumeration tools in parallel, allowing security professionals to leverage multiple discovery techniques concurrently. Users can integrate their own custom wordlists to enhance the effectiveness of the bruteforcing process. The tool provides a unified interface for running different subdomain discovery utilities, eliminating the need to manually configure and execute each tool individually. This parallel execution approach can significantly reduce the time required for comprehensive subdomain enumeration during reconnaissance activities. brutesubs supports containerized deployment, ensuring consistent execution environments and simplified dependency management across different systems. The framework is particularly useful for penetration testers and security researchers who need to perform thorough subdomain discovery as part of their reconnaissance workflow.