Good to know: Free-use terms vary by tool and plan. When a card lists no tool-specific limit, check quotas, watermarks and export terms on the official page.
JabRef is a free, open-source reference manager that keeps your library in BibTeX or BibLaTeX files and helps you collect, organize and cite sources.
Reference & Citation Management
Good to know: Requires desktop installation.
Zotero is a free, open-source reference manager that collects, organizes, annotates, cites and shares research sources, with desktop apps and word processor plugins.
Reference & Citation Management
Good to know: Requires desktop installation.