LSU ITS maintains a list of free and open source software that are not supported, however are free to use by license which can assist in many use cases as needed. Some products on this list are not free, but are pre-approved for purchase if needed by a department.
These software products include free, open source, educational, or pre-approved software such as:
All software listed are not supported by LSU ITS and as such, support is limited to what the software company is able to accommodate, or end-user forums for the product.
Please see the full list here: LSU A&M: Software Product Offerings
Note that an IT100 is still required to be submitted for all software on the list if used by faculty/staff for academic & admin use, and that a listing here does not guarantee that the software will be approved for all purposes.