Question

Merzdata Pd patch. Works with vanilla Pd. (I did not make this.)

Answer 1

album plus patches ...

Answer 2

http://yadegari.org/expr/expr.html

        Expr Family Objects by Shahrokh Yadegari (p9 of 13)
  *       Multiply                                          
  /       Divide                                            
  %       Modulo                                            
  +       Add                                               
  -       Substract                                         
  <<      Shift Left                                        
  >>      Shift Right                                       
  <       Less than (boolean)                               
  <=      Less than or equal (boolean)                      
  >       Greater than (boolean)                            
  >=      Greater than or equal (boolean)                   
  ==      Equal (boolean)                                   
  !=      Not equal (boolean)                               
  &       Bitwise And                                       
  ^       Exclusive Or                                      
  |       Bitwise Or                                        
  &&      Logical And (boolean)                             
  ||      Logical Or (boolean)

Comments

if()           3   conditional  - if (condition, IfT      
                     rue-expr, IfFalse-expr) - in expr~ if  
                     'condition' is a signal, the result    
                     will be determined on sample by sample
                     basis (added in version 0.4)

Answer 3

Context Sequencer