Home Categories Computer Software Disk Space Disk Space Edit Best Disk Space Products Open-Source Disk Space products 2 SD SquirrelDisk Discover what files are taking up your hard disks. Open Source /squirreldisk-alternatives Was this Disk Space alternatives list helpful? Your feedback is important! Yes No 1 out of 2 people consider this list as helpful. This is equivalent to 2.5 / 5 rating.