Citations
ChatDOC
Chat with documents and get citations.
AI research assistant with source-cited answers and a Scholar academic mode
Mendeley
Academic reference manager (Elsevier)
NotebookLM
Source-grounded research notebook with podcast-style summaries
Perplexity AI
The AI-powered answer engine that cites its sources — every answer linked to live web results.
Perplexity Pages
AI-powered publishing tool that creates comprehensive, formatted web pages from a topic in minutes.
Perplexity Pro
Perplexity's premium tier — faster searches, GPT-4 and Claude access, and file uploads for power users.
Developer-focused chat with web-grounded answers
Research Rabbit
Visual literature discovery tool that maps the citation network around any paper — free for academics.
Academic search engine for papers.
Minimalist open-source AI search engine with inline citations
Scite
AI research assistant that shows how scientific papers have been cited — supportive, contrasting, or mentioning.
Semantic Scholar
Free AI-powered academic search engine indexing 220 million papers with semantic understanding.
Open-source system that researches a topic and writes a cited, Wikipedia-style report.
You.com
Conversational search + assistant with citation
Zotero
Open-source reference manager