Top Glasp Alternatives in 2026
Curated alternatives to Glasp, ranked by similarity — pricing, free tiers, and use cases compared. Curated by AI Compass.
- Scite.ai — Scite displays how academic papers are cited by others, classifying each citation as supporting, contrasting, or merely mentioning the original claim. This helps students quickly assess whether a paper's findings are well-supported or contested in the field. Many university libraries provide institutional access at no cost to enrolled students.
- Liner AI — Liner is a browser extension that lets students highlight text on any webpage or timestamp YouTube videos, building a personal annotated archive of research materials. The AI summarizes highlighted content across all sources into a cohesive study note. Exports integrate with Notion and Obsidian for a complete research workflow.
- Liner PDF — Liner PDF extends the Liner highlighting experience to uploaded PDF documents, allowing students to annotate, highlight, and get AI explanations of confusing passages directly within the reading interface. Annotations sync across all devices so highlights made on mobile appear on desktop and vice versa. The note export feature compiles all highlights and annotations into a structured study document.
- Consensus Summarizer — Paper Digest delivers daily email summaries of the most impactful new academic papers across selected research fields. Students subscribe to their discipline's digest to stay current with cutting-edge research effortlessly. Each summary is concise enough to read in under two minutes and includes a link to the full paper for deeper reading.
- Readwise Reader — Readwise Reader is a read-it-later app that centralizes all academic reading materials including articles, PDFs, and newsletters in one place with AI-generated summaries and smart highlighting. Students can review their highlights from all saved articles using a spaced repetition system to embed key ideas. Integration with Anki and Obsidian deepens the learning workflow.
- PDF.ai — PDF.ai lets students upload any PDF and immediately start asking questions about the content in a chat interface. It works with textbooks, research papers, syllabi, and any other PDF academic materials. The tool highlights the exact source passage in the document that corresponds to each answer for easy verification.
- Research Rabbit — Research Rabbit is a completely free tool that builds visual maps of academic paper networks, helping students discover related works they would never have found through keyword search. It integrates with Zotero and shows papers that cite and are cited by your saved collection. Students call it a Spotify recommendation engine for academic papers.
- Semantic Scholar Feeds — Semantic Scholar's Research Feeds generate personalized paper recommendations based on papers a student has saved or authored, delivering a weekly digest of highly relevant new publications. Students in active research areas use it as an automated literature monitoring tool that surfaces papers they would otherwise miss. Setting it up takes minutes and runs completely automatically thereafter.
- NotebookLM — NotebookLM by Google is a completely free AI research assistant that grounds all its responses in the sources you upload, eliminating hallucinations by only drawing from your provided materials. Its Audio Overview feature generates a realistic two-host podcast discussing your sources that students can listen to on the go. The mind map and study guide outputs structure research instantly.
- Unriddle — Unriddle lets students upload multiple research papers and ask questions that draw answers from across all documents simultaneously, with in-line citations to the exact source passage. It is particularly valuable for literature reviews where comparing how different papers treat the same concept is essential. The note generation feature compiles key insights into a draft outline.