This document discusses various software engineering tools used at different stages of the software development lifecycle. It outlines tools for database development, programming, web development, software configuration management, design and analysis, and testing. Database tools like Oracle and MySQL are used to store and manage application data. Programming tools include IDEs and libraries that help with coding. Web development tools assist with designing web pages. SCM tools cover source control, building, installation, and defect tracking. Common design tools include data flow diagrams. Software testing tools help automate testing tasks.