Are there any saas tools which help track cloud/saas usage/charges? Or do most people build something homegrown with cloud monitors, pulling billing data from

Are there any saas tools which help track cloud/saas usage/charges? Or do most people build something homegrown with cloud monitors, pulling billing data from other saas apps, and making data “observability” bi dashboards. Ex: - we used to sync 1MM contacts per month to our crm, but this month it’s 2mm - I created an rds database for testing something, but forgot to turn it off (imaging a “library checkout” feature, where I get permission to create a resource for X time, then alerts if I don’t delete it)