Refden

Readwise

readwise.io

R Discovery

discovery.researcher.life

Mendeley

mendeley.com

Zotero

zotero.org

ProQuest RefWorks

refworks.proquest.com

Refind

refind.com

Citationsy

citationsy.com

Refrens

refrens.com

DeepDyve

deepdyve.com

RefSeek

refseek.com

Referrizer

referrizer.com

References.net

references.net

RefMonkey

refmonkey.com

refive

refive.io

Refapp

refapp.com

Xref

xref.com

Refari

refari.co

RefNow

refnow.com

AutoRefs

autorefs.com

RefAssured

refassured.com

ReferIn

referin.com

Refinder

refinder.ai

Redfeets

redfeets.com

Reftab

reftab.com