List of citation graph browsers? What are good ways to explore/discover literature visually, e.g. a visual interface for Google Scholar? There are a few tools to explore the citation graph ("which papers cite which papers"). Some are described here:


http://proto-knowledge.blogspot.de/2015/02/tools-to-visualize-connections-between.html


There are a few more with a different focus:


Graph of patents (but not papers) - "PatGraph"
Only for own local library (not for discovery of new papers) - "Action Science Explorer"
Old limited version from 2004 (no way to go backwards through citations) - "TouchGraph browser for Google Scholar"
Limited database size - https://nlp.fi.muni.cz/projekty/visualbrowser/#sec0403


Do you know others? Which ones do you recommend?
I recently found Citation Gecko which takes in articles as seeds and shows papers they are connected to by citations (past and future) in an interactive network with a very clean design. Can import seed papers from Medeley, Zotoro, etc. too!
It's open source, the code is available here: https://github.com/CitationGecko