The Best GROBID Alternatives in 2026

Use Kalker as a calculator with custom variables, functions, differentiation and integration on desktop, mobile or web.

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

Paper Trails lets researchers discover academic papers, track reading, rate work and build a personal library.

microMathematics Plus is a visual calculator with a worksheet layout, graphing and function plotting.

Lurnby supports active reading and personal knowledge management, according to its repository description.

PlagiarismDetector checks submitted text for copied content and offers plagiarism reports and grammar tools.

Wordnik provides a dictionary, word search, community entries and a daily word feature.

Spacefinder helps users browse venues through detailed space descriptions, filters and a map.

Urban Dictionary publishes user-submitted definitions of slang and other terms, including its daily featured entry.

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.

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

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.

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.

Cite This For Me generates Harvard, APA, MLA and Chicago citations and provides paper checking tools.