Draconis Theory is a game I really enjoy! It's dragon management and breeding, but unfortunately not very active. My referral link is at the bottom, but you don't have to use one to sign up. It is also free to play, and much like Alacrity, not pay to win :)

"In times of Yore there lived a Mythical Creature whose magical powers and strength were legend. Dragon was his name and he was feared by many. Was he good, or was he evil? Was he noble and wise or full of wrath and vengeance?

Enter the world of the Dragon and find out. Draconis Theory is a free online dragon game about breeding, training, and battling dragons. Lea new skills, choose their battle tactics, and battle monsters in Epic showdowns of skill and strategy. Each dragon has a unique set of stats, traits, and genetics which determine how well they will battle and what they look like. Watch your dragon eggs hatch, your babies grow, and improve the next generation over their parents. Gain territory while battling, and explore new lands."

http://www.draconistheory.com/index.php?referral=85693