Zotero replaces 2 paid apps
One open-source tool, 2 subscriptions it can stand in for. Each pairing below is curated and verified by hand, with the honest catch spelled out. No votes, no pay-to-list.
ReadCube PapersAbo lohnt sich$10/mo
A mature library, PDF reader, discovery tool and citation engine with no subscription.
the verdict →
PaperpileAbo lohnt sich$8.3/mo
The reference manager everyone keeps recommending because it actually earns it.
the verdict →last updated 2026-08-06 · up to $216/yr replaced · no votes, no pay-to-list
