tern
                                Tern is a software composition analysis tool and Python library that generates a Software Bill of Materials for container images and Dockerfiles. The SBOM that Tern generates will give you a layer-by-layer view of what's inside your container in a variety of formats including human-readable, JSON, HTML, SPDX and more. 
                            
                        How to download and setup tern
Open terminal and run command
                                            git clone https://github.com/tern-tools/tern.git
                                        
                                        git clone is used to create a copy or clone of tern repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with tern https://github.com/tern-tools/tern/archive/master.zip
Or simply clone tern with SSH
                                            [email protected]:tern-tools/tern.git                                    
                                    If you have some problems with tern
You may open issue on tern support forum (system) here: https://github.com/tern-tools/tern/issuesSimilar to tern repositories
Here you may see tern alternatives and analogs
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