Looking for logging into the Twitter.sharedinstance Swift site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Twitter.sharedinstance Swift site. After that you can login as usual with your login credentials.
https://github.com/twitter/twitter-kit-ios/wiki/Log-In-With-Twitter
https://github.com/twitter/twitter-kit-ios/wiki/Advanced-Setup
https://mobikul.com/twitter-login-in-ios-app-using-swift-4/
https://twittercommunity.com/t/swift-twitter-sharedinstance-login-crash/90154
https://daddycoding.com/2017/12/05/ios-tutorials-authentication-twitter-login/
https://stackoverflow.com/questions/47942389/twitter-sharedinstance-does-not-exist-swift-twitterkit
https://docs.fabric.io/ios/_sources/twitter/authentication.txt
http://swiftdeveloperblog.com/firebase-social-authentication-signin-with-twitter-account-in-swift/
https://agostini.tech/2018/02/25/using-twitterkit/
https://iosdevcenters.blogspot.com/2016/03/login-twitter-with-fabric-in-swift.html
https://www.brewit9.com/2017/10/twitter-login-integration-in-ios-using.html
https://www.codementor.io/mattgoldspink/adding-twitter-facebook-login-parse-tutorial-ios-du108148n
https://qiita.com/Takumi_Mori/items/1b27c46114cc839e01e5