• Global Wind Atlas: Web-based GIS application of global, regional and country wind resource
• IRENA- Global Atlas for Renewable Energy: Maps and tools for wind potential estimation
• Danish Wind Industry Association:  Wind turbine power calculator

• JRC Photovoltaic Geographical Information System (PVGIS): Geographical assessment of solar resource and performance of photovoltaic technology
• Solar GIS: Solar resources maps and GIS data
• Global Solar Atlas: Web-based GIS application of global, regional and country solar resource
• PV*SOL Online: Calculation of PV systems
• IRENA- Global Atlas for Renewable Energy: Maps and tools for solar potential estimation
• PVWatts: Estimation of energy production and costs of grid-connected PV systems
• SHW:  Simulation Software for Thermal Solar Systems
• Kalkener:Simulation software for Solar Thermal Water Heating Systems (STWH)
• Solar District Heating (SDH): Calculation Tools for solar district heating feasibility assessment

• Pan - European Thermal Atlas: Data on Biomass resources in European countries
• IRENA- Global Atlas for Renewable Energy: Maps and tools for biomass potential estimation
• Carbon Trust: Biomass Decision Support Tool
• BIOPLAT-EU: WEBGIS tool

• ThermoMap: Πολύ ρηχό γεωθερμικό δυναμικό σε σχέση με τη θερμική αγωγιμότητα
• Pan - European Thermal Atlas: Areas with geothermal heating potential in Europe
• IRENA- Global Atlas for Renewable Energy: Maps and tools for geothermal potential estimation

• CommonONEnergy Tool: Energy saving potential and economic benefits of retrofitting shopping malls estimation
• REScoop PLUS toolbox: Toolbox of best practices that are implemented in RES cooperatives around Europe
• NeZEH e-toolkit: Toolkit for hotels’ energy consumption benchmarking
• Build up: The European Portal for Energy Efficiency in Buildings- Tools to support energy efficiency measures planning
• Υπουργείο Περιβάλλοντος και Ενέργειας:Βοηθητικό εργαλείο μακροοικονομικής προσέγγισης για ενεργειακή απόδοση κτιρίων
• Υπουργείο Περιβάλλοντος και Ενέργειας: Βοηθητικό εργαλείο χρηματοοικονομικής προσέγγισης για ενεργειακή απόδοση κτιρίων

• URBACT toolbox:Action planning process in five stages for integrated and participative sustainable urban development

• REScoop Project:A pool of tools for supporting a local, community-led, renewable energy revolution in EU

• Eco-Management and Audit Scheme (EMAS): management instrument for companies and other organisations to evaluate, report, and improve their environmental performance.
• European Commission: Recommendation on the use of Environmental Footprint methods
• EU Ecolabel: voluntary label that helps to identify products and services that have reduced their environmental impact throughout their entire life cycle.

• QuickScan software:Modelling environment combining expert knowledge with spatial and statistical data, which can serve as development scenario planning tool
• RETScreen software: Decision support tool to evaluate the energy production and savings, costs, emission reductions, financial viability and risk for various types of RES of EE measures

• Global Facility for Disaster Reduction and Recovery: Tools Library