PalPark - Curate and share your learnings by topics
Silicon Valley Dictionary - Urban dictionary meets Silicon Valley
Golden - Mapping all human knowledge
Writefull Thesaurus - A Google Docs add-on that uses AI to give you synonyms
LearnAwesome - Humanity's universal learning map
Dictionary Anywhere - Dictionary Anywhere is an open-source and easy-to-use browser extension for Mozilla Firefox and Google Chrome that allows you to check definitions easily while browsing the web.