SciSpace
An AI platform across the research lifecycle.
Tier 3 ToolsFreemium
Research Database Directory
Every research database, reviewed.
Scite
Citation context, not just citation counts — does the literature support this claim or contradict it?
Tier 2 ToolsFreemium
Paperpal
Academic language editing trained on the literature, not on general prose.
Tier 2 ToolsFreemium
Paperpile
A clean reference manager for the browser and Google Docs.
Tier 3 ToolsSubscription
Perplexity
An answer engine with footnotes — fast orientation, not a citable source.
Tier 2 ToolsFreemium
PlumX
Elsevier's multi-dimensional metrics.
Tier 3 ToolsSubscription
Publish or Perish
Citation metrics on demand — pull an author or topic's impact in seconds.
Tier 3 ToolsFree
PubPeer
Post-publication peer review — where the community flags what the journals missed.
Tier 3 ToolsFree
Rayyan
Collaborative screening for systematic reviews.
Tier 2 ToolsFreemium
RefWorks
The library-provisioned reference manager — web-based and institution-backed.
Tier 3 ToolsSubscription