Special Notice: ENERGY, DEPARTMENT OF is seeking Open-Source Software for transforming Integrated Energy Systems Analysis with FORCE. FORCE is a unified, user-friendly platform that revolutionizes the analysis of integrated energy systems (IES). It offers comprehensive technoeconomic evaluations, from macro analysis to transient process modeling, to fuel smarter and sustainable energy solutions. This open-source software simplifies the complexity of IES analysis through automation and provides a unified interface, eliminating the need for ad-hoc solutions and reducing errors. FORCE is designed for technical experts, decision-makers in renewable energy and integrated energy systems, energy companies, national laboratories, academic institutions, policymakers, economic analysts, software developers, and data scientists in the energy sector. It is available for download at no cost from the product's GitHub page.