user18746: I am wondering if "Ghosting" effects like the one in this video are available in any Open Source software, like Blender.  
Premiere Pro seem to call it "ghosting" while Final Cut Pro seems to call it "Ghost Trails".

user1303: To my knowledge, there is no Open Source tool with a built-in feature for producing that ghosting effect. However, I believe there exist the necessary tools for you to create the effect yourself.
Breaking down what's happening, it looks like the effect consists of:

Freezing and extracting the skater from the background at certain moments
Animating those freeze frames to track with the camera movement

There are Open Source tools to do just that. 

Rotoscoping to extract the skater from still frames (Gimp or Blender)
Motion Tracking (Blender) to animate those stills to match camera motion
Compositing (Blender) to put it all together


18746: <p>I am wondering if "Ghosting" effects like the one in <a href="https://i.imgur.com/hrx96ar.mp4" rel="nofollow noreferrer">this video</a> are available in any Open Source software, like Blender.  </p>

<p>Premiere Pro seem to call it "ghosting" while Final Cut Pro seems to call it "Ghost Trails".</p>
 1303: <p>To my knowledge, there is no Open Source tool with a built-in feature for producing that ghosting effect. However, I believe there exist the necessary tools for you to create the effect yourself.</p>

<p>Breaking down what's happening, it looks like the effect consists of:</p>

<ul>
<li>Freezing and extracting the skater from the background at certain moments</li>
<li>Animating those freeze frames to track with the camera movement</li>
</ul>

<p>There are Open Source tools to do just that. </p>

<ul>
<li>Rotoscoping to extract the skater from still frames (Gimp or Blender)</li>
<li><a href="https://www.youtube.com/watch?v=3STqy77jG50" rel="nofollow noreferrer">Motion Tracking</a> (Blender) to animate those stills to match camera motion</li>
<li>Compositing (Blender) to put it all together</li>
</ul>
