Scholarcy
Auto-summarize any paper into a structured flashcard.
Tier 3 ToolsFreemium
Research Database Directory
Every research database, reviewed.
Paperpile
Reference management that lives in Google Docs and your browser.
Tier 3 ToolsSubscription
CiteSpace
Detect the turning points in a field — citation analysis with a temporal lens.
Tier 3 ToolsFree
Bibliometrix
Bibliometric analysis in R — reproducible science mapping, code-first.
Tier 3 ToolsFree
Undermind
Deep, agentic literature search — thorough where keyword search is shallow.
Tier 3 ToolsFreemium
Rayyan
Fast, collaborative screening for systematic reviews — with a generous free tier.
Tier 2 ToolsFreemium
LILACS
Latin American and Caribbean health literature — the regional index PubMed misses.
Tier 3 Open AccessFree
Covidence
The systematic-review workflow — screening, extraction, and team collaboration.
Tier 2 ToolsFreemium
Inciteful
Fast, free citation-network analysis — find the papers that connect your papers.
Tier 3 ToolsFree
DOAB
The Directory of Open Access Books — DOAJ's counterpart for scholarly monographs.
Tier 3 Open AccessFree