TCA9548A https://www.adafruit.com/products/2717
BMP180 https://www.adafruit.com/products/1603
BMP183 https://www.adafruit.com/products/1900
BMP280 https://www.adafruit.com/products/2651
BME280 https://www.adafruit.com/products/2652
MPR121 https://www.adafruit.com/products/1982
And the new Trinkets with MicroUSB connectors!
https://www.adafruit.com/products/1501
and
https://www.adafruit.com/products/1500
All available at the Adafruit Fritzing Library!
https://github.com/adafruit/Fritzing-Library