 
                
            Open source password manager with desktop, mobile, and browser extension clients for secure password storage
Buttercup is an open-source, self-hosted password manager that allows users to store passwords and other sensitive information securely. Some key features of Buttercup include:
As an open-source, self-hosted solution, Buttercup gives users full control over their password vault. Client-side encryption ensures passwords are accessible only to the user. Community driven development brings steady improvements. The wide range of sync storage options make Buttercup flexible for personal and business use.
 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                 
                     
                    
                    
                        
                    
                