Spare has an enormous net space. This fork was abandoned early on and left to die. Well, not anymore. Since its update, the forks have been performing well, net space has been recovering.
Gold is currently not a dead fork. It just needed some updates that couldn't be ignored. Check out the information on Gold Coin. Some code updates were needed.
Goji had been dead for some time, sporadically springing to life and then retreating back to its dormant state. This fork is being resurrected and is currently up and running, most of the time.
Silicoin is not a dead fork. They are pioneers in staking when it comes to forks. Some updates were needed and provided by zcomputerwiz.
The Little Lambo Coin has a new fork that is very active and would not exist without the assistance of some very skilled coders from here.
Joker is an active new fork of Chives. Joker uses unique plots for its blockchain. There could be some issues with Joker that have been overlooked.