Google, like many large companies, likely uses a variety of project management software tools to help manage their projects and teams. Some examples of project management software that Google has been known to use include:

Google Workspace (Formerly G Suite): Google Workspace includes a variety of productivity tools, such as Google Docs, Sheets, and Slides, that can be used for project management. These tools allow for real-time collaboration, document sharing, and task management.

Google Calendar: Google Calendar is a scheduling tool that can be used to create and manage project timelines. It allows users to create events, set reminders, and share calendars with team members.

Google Keep: Google Keep is a note-taking and task management tool that can be used for project management. It allows users to create notes, lists, and reminders and share them with team members.

Google Drive: Google Drive is a cloud-based file storage and sharing platform that can be used to store and share project-related documents and files.

Asana: Asana is a project management software that allows team members to share and organize tasks, projects, and conversations.

Trello: Trello is a project management tool that uses a kanban-style layout and allows users to organize tasks and projects into boards and cards.

It's important to note that Google may also use other project management software tools that are not publicly disclosed. Also, the use of these tools can vary across different teams and projects within the company.