Best Free Alternatives to Diigo in 2026

Digital publishing platform that converts PDFs and office files into HTML5 flipbooks, interactive publications, and embeddable web content.

Microsoft’s survey, quiz, and poll builder with branching, Excel analysis, and browser-based response collection.

Interactive presentation platform with live polls, quizzes, surveys, and classroom engagement tools that fit into existing teaching workflows.

Google’s classroom hub for assignments, grading, communication, and workflow management inside Workspace for Education.

Game-based learning and engagement platform for quizzes, polls, presentations, training, and interactive sessions in education and business.

Art-inspired writing platform for creating stories, picture books, and other creative writing projects with illustrated prompts.

Educational activity generator for quizzes, crosswords, matching games, word tasks, dictation, and other interactive learning formats.

Audience interaction platform for live polls, Q&A, quizzes, and word clouds in meetings, webinars, events, and classrooms.

Advanced blocks-based programming language from UC Berkeley for teaching real computer science concepts beyond beginner block coding.

Game-based classroom review platform with many live, solo, and homework game modes built on reusable question sets.

Free math platform combining graphing, geometry, algebra, statistics, calculus, and classroom resources in one ecosystem.

Free learning platform with videos, practice, mastery tracking, and classroom tools across math and many academic subjects.