| Citation Gecko | Given a set of 'seed papers,' you can visualize the most commonly-cited papers, either in an interactive flow chart/timeline or an interactive web |
| Related References | Similarly to Citation Gecko, takes a list of papers and finds papers that are also quite similar, except it is not interactive |
| Connected Papers | Also a similar idea to Citation Gecko, but newer and has additional features |
| CoCites | Also a similar idea to Related References, but also newer and has additional features |
| scite | Takes a paper's in-text citation and pulls up the lines in that cited paper that are being referenced, says whether those lines provide supportive or disconfirmatory evidence |