Le Sigh is a free Chrome add-on developed by Zachary Flower. It falls under the category of Browsers and specifically belongs to the Add-ons & Tools subcategory. This unique add-on plays a satisfied sigh noise whenever you press the mute button on Twitter.

Inspired by a tweet from Innes McKendrick, Le Sigh adds an amusing touch to your Twitter experience. With just a click of the mute button, you can now enjoy the sound of a satisfied sigh. The sigh sound used in this add-on is sourced from Mike Koenig's collection on SoundBible.

Le Sigh is a simple and lighthearted add-on that brings a touch of humor to your Twitter feed. If you're looking to add a little extra satisfaction to your Twitter experience, give Le Sigh a try.