The Best Wiki Portals Alternatives in 2026

Refdesk organizes quick reference links to facts, encyclopedias, newspapers and subject indexes.

Numla organizes math notes in searchable documents with keyboard shortcuts for navigation and editing.

Wikigraph visualizes links and relationships across English Wikipedia as an interactive map.

Reversepedia shows which English Wikipedia articles link to a specified article.

PlanetCalc catalogs online calculators for topics including dates, time, science, engineering and everyday conversions.

Helium organizes classes, homework, grades and notes in a color-coded student planner available on web and mobile.

Scrible saves, organizes, annotates and shares research articles and webpages in an online library.

HatNote lists the most-visited English Wikipedia articles and updates its ranking daily.

WikiNearby finds Wikipedia articles near a user’s location, another article or supplied coordinates.

ExcaliHub stores, organizes and shares collaborative Excalidraw whiteboards.

The U.S. Climate Resilience Toolkit helps users explore climate-related risks and practical resources for addressing local hazards.

GeoGebra provides free tools for graphing, geometry and classroom activities, including a collaborative whiteboard.

NotebookCast provides a real-time collaborative whiteboard with audio and video calls for teaching, sketching and teamwork.

The Anki Manual provides user instructions and a resource list for guides, templates and custom schedulers.

Bohrium presents an AI research hub for academic search and collaboration with scientists, according to its page description.

Papertag attaches digital content to paper so users can connect physical notes with online materials.

The TI-84 online simulator provides graphing and scientific calculator tools with an accompanying manual.

Omniglot catalogs writing systems and languages, with alphabets, language profiles and study resources.

Coursicle helps students track assignments, plan class schedules and read professor reviews.

The Tower of Babel is an etymological database project linked to global lexicostatistical resources.

Scholarship Roar lists scholarships and internships worldwide, with application guides and deadline updates.

OnlineConversion converts values among thousands of units across categories such as length, temperature, volume and currency.

Wikitia hosts encyclopedic articles written or curated by verified editors and contributors.

RateMyDorm collects student reviews, photos and recommendations for college dorms across North America.