Having good libraries in EAGLE is critical to making schematic capture and PCB design fast. Dave at element14 put together a top 10 library link, which includes the list below.
Remember, if you’re having trouble Add Parts, you might want to look at this tutorial on enabling EAGLE libraries.
- element14’s RIoTBoard
- element14’s Raspberry Pi Compute Module Development Kit
- element14’s BeagleBone Black
- Linear Technology
- Texas Instruments