duolingo | languages | language

kindle | amazon | bookmark

ewa | audiobooks | learners

astronomy | astronomical | stars

wildlife | organisms | exploring

piano | beginners | apps

classroom | teaching | assignments

dogo | doggo | pup

inaturalist | naturalists | species

falou | french | languages

neuronation | training | exercises

plantapp | herbs | herb

blossom | blossomplant | flowers

wikimedia_apps | encyclopedia | mediawiki

stellarium | astronomical | astronomy

constellations | stars | sky

skyview | sky | constellations

natureid | plants | flora

mushrooms | mushroom | fungi

korean | app | learning