✓
Tool
Category
Pricing
Free?
Updated
Zotero ✓
AI Research
Free
✓
Mar 2026
→
Free open-source reference manager with browser extension, annotations, and Word integration.
Best for: reference-manager
Label Studio
AI Research
Freemium
✓
Mar 2026
→
Open-source multi-format data labeling platform for ML with configurable interfaces.
Best for: annotation
Inciteful
AI Research
Free
✓
Mar 2026
→
Free citation network analysis tool for rapid literature review and paper discovery.
Best for: research