The Nuke Image extension for Mozilla adds a "Remove this image" context menu option to all images. When this option is selected, the image is removed from the displayed page layout. It's useful for quickly getting rid of annoying animated graphics or intrusive advertisements.

Magnus is a simple screen magnifying glass. It nicely integrates with X11 desktops like MATE or Xfce (probably with others not named here, too).

Given the available bandwidth, bandwidthcalc determines how long it will take to transfer a file of a given size. You can specify the available bandwidth in kBit/s, kByte/s, MBit/s or MByte/s. The time output is in HH:MM:SS