Sampld - Sampld is a sound sharing platform where people can share and download sounds for free.

you-tldr - Get the tldr of any YouTube video in seconds

Spotify - Map shows when two people play same song at same time

tubecut. - The only YouTube downloader allows you to trim specific time

Mixkit - High-quality stock videos that are completely free.

GIFit! - Quickly turn YouTube videos into GIFs (chrome extension)