✓
Tool
Category
Pricing
Free?
Updated
SciSpace ✓
AI Research
Freemium
✓
Mar 2026
→
AI copilot for understanding research papers with explanations and literature review tools.
Best for: research
PubMed AI ✓
AI Research
Free
✓
Mar 2026
→
AI-enhanced biomedical literature search built on the PubMed database by NCBI.
Best for: biomedical
Connected Papers ✓
AI Research
Freemium
✓
Mar 2026
→
Visual graph explorer that maps related papers based on similarity, not just citations.
Best for: research