BeagleBoard.org Foundation is a non-profit organization that develops and promotes open-source hardware and software for embedded systems. They offer a range of single-board computers and development boards, including the BeagleBone series, designed for prototyping, education, and commercial applications.

Development Boards & Kits - ARM BEAGLEBOARD DEV KIT REVISION D
Prototyping Products BEAGLEBONE CAPE BREAKOUT BOARD
Daughter Cards & OEM Boards BEAGLEBONE CAPE BATTERY BOARD
Display Development Tools BEAGLEBONE CAPE LCD 7" (800 x 480)
Development Boards & Kits - ARM BEAGLEBOARD DEV KIT REVISION C5
4.3 Lcd Cape 480X272 Resoltion
Minidisplay Cape Beaglebone Black
Daughter Cards & OEM Boards BEAGLEBONE CAPE TIWI-BLE EXT ANT
Pwm Cape, AM3358 Beaglebone Board
Daughter Cards & OEM Boards BEAGLEBONE CAPE ATMEGA328 4USB UART1
SOLDERLESS BREADBOARD CAPE JUMPER WIRE KIT
Extended Proto Cape, Beaglebone Board
Beaglebone 7" Lcd Cape
POWER SUPPLY CAPE BEAGLEBONE BLACK
Daughter Cards & OEM Boards BEAGLEBONE CAPE CANBUS WITH D-SUB9
BeagleBoard-xM Development Board
RTC CAPE BEAGLEBONE BLACK
Daughter Cards & OEM Boards BEAGLEBONE CAPE CAMERA 3.1MP
Daughter Cards & OEM Boards BEAGLEBONE CAPE 3D PRINTER
BB-BONE-00