OpenLCA

OpenLCA is world-wide the only free, open source LCA software that can be used for professional ecological, social and economical life cycle assessments. Among other things, OpenLCA can be used for LCAs, carbon & water footprints, eco-design, environmental product declarations, life cycle costing and social life cycle assessment.
SimaPro

SimaPro is LCA software chosen by research institutes and consultants. SimaPro offers features that LCA experts would expect from a professional LCA software package. SimaPro allows users to customize the modeling of their LCA by adjusting parameters and inputs to reflect specific industry or regional factors.
OneClick LCA

One Click LCA is the automated LCA & EPD software for the construction industry. It integrates all leading standards, databases, and design software tools globally. The software can be used for buildings, infrastructure, renovations, construction products and materials, and portfolios.
Sphera (GaBi)

Sphera’s LCA for Experts (formerly GaBi) combines LCA modeling and reporting software with reliable and consistent environmental data. With more than 20 sector-specific databases, Sphera’s analytics enable organizations to understand environmental impacts throughout each product life cycle and make fact-based decisions.
Ecochain

Ecochain offers popular LCA software tools (Ecochain Mobius and Ecochain Helix) that are widely used by businesses and organizations to conduct Life Cycle Assessments.