Credits & licenses
Thinking Sproutsis built with care. Some materials come from open projects we're grateful to share and credit below.
Open English WordNet
Word definitions and linguistic data used when building reference materials. License: CC BY 4.0.
Wikipedia word-frequency data
Frequency lists used as a reference when curating age-appropriate vocabulary. License: MIT.
OpenMoji
Emoji artwork used in Olympiad and other illustrated activities. Emoji artwork by OpenMoji – the open-source emoji and icon project. License: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). CC BY-SA 4.0.
Twemoji
Emoji artwork used in Olympiad and other illustrated activities. Emoji artwork from Twemoji (Twitter / jdecked fork). License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). CC BY 4.0.
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