SimaPro Alternatives

Apps similar to SimaPro include openLCA, which is free and open source. Other options are GreenCalculus. Between them they cover Mac, Windows, Linux and the web.

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SimaPro alternatives page was last updated Jun 29, 2026

openLCA
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The world’s leading, high performance, open source Life Cycle Assessment software
Cost / License
Free
Open Source (MPL-2.0)
Origin
Germany
EU
Platforms
Mac
Windows
Linux
Good alternative?Is openLCA a good alternative to SimaPro?
GreenCalculus
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Free, methodology-transparent carbon & GHG emissions calculators — Scope 1, 2 & 3, embodied carbon, and financed emissions, built on auditable DEFRA, IPCC & grid emission factors.
Cost / License
Free
Open Source (MIT)
Platforms
Online
Good alternative?Is GreenCalculus a good alternative to SimaPro?

2 of 2 SimaPro alternatives