VisualLine is a Timeline Collection for WordPress and works as an Add-ons for Visual Composer, there are four different plugins inside the pack. All are Responsive and Bootstrap compatible.
Bootstrap Grid system
VisualLine Visual Composer Timeline Addons Pack v1.5.0 Changelog
Updated core for speed improvment
Split canvas in history line allowing it to circumvent mobile canvas size limit
New Feature, added ability to display image in timeline simple and timeline query (via post thumbnail)
Demo VisualLine Timeline
Download VisualLine Timeline v1.5.0 Visual Composer Addons Pack