What is the difference between SimaPro or GaBi, Umberto, openLCA, etc. and ecoinvent?
This list shows the list of LCA softwares and LCA software providers. ecoinvent, on the other hand, is an Life Cycle Inventory database.
Thanks to agreements with the providers of these tools, they can act as resellers of the ecoinvent database and you can acquire licences and updates of the database through these resellers. These LCA software may also include other databases.

ecoinvent is an independent not-for-profit association and not in any form a part of any reseller organisation.
Why do I need the ecoinvent database when doing a Life Cycle Assessment?
How can I use the ecoinvent database?
What can I do if I have problems accessing ecoinvent online?
What does an ordinary dataset look like?
What is the structure of the data that ecoinvent offers?
Where do the data in the ecoinvent database come from?
Why are system models named differently in my software?
What are confidential datasets?
Why have the LCIA results of a product changes between versions?