Research Rabbit
A free discovery engine that maps a field from the papers you already like.
Tier 2 ToolsFree
Research Database Directory
Every research database, reviewed.
Litmaps
Citation maps plus monitoring, in one workspace.
Tier 3 ToolsFreemium
ResearchGate
The academic social network where researchers share papers — and their metrics.
Tier 3 ToolsFree
Mendeley
Elsevier's free reference manager and reading tool.
Tier 3 ToolsFree
ResearchRabbit
Literature discovery as a living, visual collection.
Tier 3 ToolsFree
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
ORCID
A unique ID for every researcher — the thread that ties a career's work together.
Tier 2 ToolsFree
Open Science Framework (OSF)
The open-science workbench — manage a project, preregister, and share it all.
Tier 2 ToolsFree
Paperguide
Search, screen, cite and draft in one workspace instead of four tools.
Tier 3 ToolsFreemium