Education publishers

Spanish translation and learning

Online encyclopedia and reference

Japan's free online dictionary and encyclopedia aggregating multiple reference publishers

Online learner's dictionary of English with heavy ad monetization

US site of math games and puzzles for kids, with advertising

Document-sharing platform where students find and upload study notes and course materials

Ad-supported online encyclopedia of visual art and artists worldwide

UK platform for teaching jobs, lesson resources and school news

Online dictionary and vocabulary-learning reference site with quizzes

Free online translation dictionary with ad-supported bilingual search

Brazilian portal for public-sector exam news and prep

Persian online dictionary and translator reference site

Dutch online dictionary and word reference site

General reference and Q&A site answering everyday questions across topics

Free online calculators and conversion tools for math, finance and everyday use

India's exam-prep platform for government job and competitive tests

Free teaching resources for Philippine teachers

Free online calculators for math and finance

Computer science tutorials, quizzes and practice

Free Dutch lessons and integration exam practice

Free tutorials and references for web development

Free K-5 worksheets for teachers and parents

Czech spelling and grammar practice exercises

Indian school study help with AI support

Free English lessons and level tests

Free archive of United States history

Scheduling tool for school events and volunteer groups

Free online history encyclopedia

Free study material and past papers for Indian students

Nonprofit reporting on inequality in education

Free IT certification practice tests

Polish journal on foreign language teaching

Free tech tutorials and business software reviews

English to Afrikaans text translation

Art teaching resource for teachers and families