Things you can try out yourself
Neural machine translation
Automatic translation between English and Estonian, based on neural networks. Some results are useful, other results are more amusing: see for yourself
Automatic morph. analysis of Estonian
What is the plural partitive of "riistvara"? The Estonian morphological synthesizer will tell you.
How to lemmatize, tag and analyze Estonian text? The Estonian morphological analyzer knows!
or Estonian WordNet, a network of meanings and their relations. Start for example from the word keel (tongue? language? string? all of them!)