Scholarcy
Auto-summarize any paper into a structured flashcard.
Tier 3 ToolsFreemium
Research Database Directory
Every research database, reviewed.
SciSpace
An AI platform across the research lifecycle.
Tier 3 ToolsFreemium
Scite
Citation context, not just citation counts — does the literature support this claim or contradict it?
Tier 2 ToolsFreemium
SSRN
The early-stage repository where economics, finance, and law circulate first.
Tier 2 CorporateFreemium
Statista
The statistics aggregator that puts a number on almost everything — if you read the footnotes.
Tier 1 CorporateFreemium
Undermind
Deep, agentic literature search — thorough where keyword search is shallow.
Tier 3 ToolsFreemium
Research Square
The large multidisciplinary preprint platform.
Tier 3 Open AccessFreemium
Litmaps
Citation maps plus monitoring, in one workspace.
Tier 3 ToolsFreemium
Nested Knowledge
Systematic review with a tagging hierarchy that becomes your analysis.
Tier 3 ToolsFreemium
NotebookLM
Google's grounded notebook — it only answers from the sources you give it.
Tier 2 ToolsFreemium