Free & Open-Source Roam Research Pro Alternatives

Premium tier of Roam knowledge graph.

1. Logseq ↗ FOSSPRIVATE
   Outliner-style note-taking with bidirectional links.
   ●●○Medium · Imports Markdown / plain text
2. Obsidian ↗ PRIVATE
   Markdown-based knowledge graph (free for personal use).
   ●○○Easy · Imports Markdown / plain text
3. Foam ↗ FOSSPRIVATE
   VS Code-based personal knowledge management.
   ●●○Medium · Imports via export file