SDWebImage
                                Asynchronous image downloader with cache support as a UIImageView category
                            
                        How to download and setup SDWebImage
Open terminal and run command
                                            git clone https://github.com/SDWebImage/SDWebImage.git
                                        
                                        git clone is used to create a copy or clone of SDWebImage 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 SDWebImage https://github.com/SDWebImage/SDWebImage/archive/master.zip
Or simply clone SDWebImage with SSH
                                            [email protected]:SDWebImage/SDWebImage.git                                    
                                    If you have some problems with SDWebImage
You may open issue on SDWebImage support forum (system) here: https://github.com/SDWebImage/SDWebImage/issuesSimilar to SDWebImage repositories
Here you may see SDWebImage alternatives and analogs
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