Jupyter - Project Jupyter exists to develop open-source software, open-standards, and services for interactive computing across dozens of programming languages. Ready to get started? Try it in your browser Install the Notebook.
Office Timesheets - Professional Services Automation
Kajero - Interactive JavaScript notebooks - create good-looking, responsive, interactive documents.
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
BeakerX - Open Source Polyglot Data Science Tool
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.