Sekkari

Overview
The Sakari are a currently extinct civilization that distributed devices across the Pegasus galaxy. These "seed carriers" contained the means to begin their evolution again on other worlds, as well as a repository of knowledge to tell the Sakari descendants everything that once was.

Sakari Downfall
A direct quote from the Sakari Artificial Intelligence explaining the history of the Sakari in detail.

Tens of thousands of years ago, a civilization foresaw its end. After millions of years of evolution, the race known as the Sakari faced extinction. Knowing they couldn't save themselves, they spent their final days creating the means to start over; they built seed carriers, each with a different target world programmed into its navigation system. Worlds that would provide them with the chemical compounds necessary to produce, sustain and develop life. Each seed carrier also held a repository containing the history of the Sakari people: Their struggles, their achivements, and their mistakes that ultimately led to their own destruction. The seed carriers were outfitted with subspace communicators designed to alert the group once the seeding was successful. Over 50 were launched, none achieved their goal...