List in application to jobs is right now limited to 30 items. This greasemonkey patch gives you the possibility to extend it to 50 and 100.

extendInfojobsApplicationList.user.js

// ==UserScript==
// @description Extend the list of job applications from 30 to 50 and 100.
// @include https://www.infojobs.net/candidate/applications/*
// @name Extend Infojobs' Applications List
// @name:es-MX Ampliar la lista de candidaturas de InfoJobs
// @downloadURL https://gist.github.com/Silverium/c058ce671ee0fb6825fb
// @updateURL https://gist.github.com/Silverium/c058ce671ee0fb6825fb
// @namespace github.com/Silverium
// @author Soldeplata Saketos Candela
// @version 1
// @releasedOn 24/06/2015
// @grant none
// ==/UserScript==

function extendList(){
    var option50 = document.createElement("OPTION"); // Create an <option> element
    option50.setAttribute("value", "50"); // set the value attribute
    option50.innerHTML= "50"; //set inner text
    var option100 = document.createElement("OPTION"); // Create an <option> element
    option100.setAttribute("value", "100"); // set the value attribute
    option100.innerHTML= "100"; //set inner text
    var aux = document.forms["numFilas"]; //assign the grandparent node to a variable
    var dropDownButton = aux.elements['filasPagina']; //selects the button from previous node
    dropDownButton.appendChild(option50); //insert option 50 at the end
    dropDownButton.appendChild(option100); //insert option 100 at the end  
}
extendList(); //and run!