
Reference manager · Free · prices checked 2026-08-07
This price is what Zotero’s own pricing page shows by default. Some vendors default to annual billing and some to monthly, and a few show your local currency instead of US dollars, so the figure on their site may differ from the one here.
What it does in a stack
Keeps every paper and PDF together and writes the bibliography.
Free program, and 300 MB of sync storage holds a lot of PDFs.
Keeps every source you actually used and writes the bibliography.
Stacks that run Zotero
Semantic Scholar + Zotero + Claude
Free ~ $20per month02Grok + Semantic Scholar + Zotero
$30per month03Elicit + Claude + Zotero
$69per monthAlternatives — tools that play the same role
Once a countable source is connected, this page will show how often Zotero was mentioned over the last 12 months, the date it was collected, and a link to the raw posts. Until then we do not print a number we have not counted.