VisualVM - VisualVM is a visual tool integrating several commandline JDK tools and lightweight profiling...
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Eclipse Memory Analyzer - The Eclipse Foundation - home to a global community, the Eclipse IDE, Jakarta EE and over 350 open source projects, including runtimes, tools and frameworks.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
dotMemory - dotMemory allows users to analyze memory usage in a variety of .NET and .NET Core applications.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.