Foam
A note-taking app for networked thought
Alternatives
Choose Obsidian if…
- you want to back up notes with Git or any cloud service
- you need a massive plugin ecosystem for custom workflows
- you prefer a one‑time payment for sync instead of a
Choose Notion if…
- you need built‑in tables, kanban or calendar views
- you want guest accounts and per‑page sharing permissions
- your budget can accommodate $10 per user for team features
- you prefer a single app for notes, docs, and project
Choose Reflect if…
- you need automatic transcription of voice notes
- you require end‑to‑end encryption for sensitive research
- you rely on deep Google Calendar and Kindle integrations
- you prefer a subscription model over a free, self‑hosted
Choose logseq if…
- you need an integrated todo/agenda view
- you prefer hierarchical outlines alongside bi‑directional
- you want daily journal templates built in
- you want to export notes as Markdown without extra tools
Choose Roam Research if…
- you need real‑time collaboration across teammates
- you want to run custom queries on your notes
- you prefer a web‑only app that works on any browser
- you rely on daily notes to capture thoughts continuously
How to Decide
Foam is a free, open‑source note‑taking app that lets knowledge workers and researchers build a network of interconnected Markdown notes stored in a graph database. The alternatives split into a few clear camps: logseq leans into hierarchical personal knowledge bases with built‑in task management; Siyuan emphasizes real‑time collaboration and block‑based editing with rich media support; Trilium is chosen for its self‑hosted hierarchical structure and powerful full‑text search; Obsidian focuses on local‑markdown storage with a massive plugin ecosystem and optional paid sync; Notion blends note‑taking with relational databases and AI features in a cloud SaaS offering.
When comparing these tools to Foam, the key factors that actually differentiate them are: 1) where your data lives – Foam’s graph database is local‑file‑based, while Obsidian stores plain markdown locally, Notion lives in the cloud, and Trilium can be self‑hosted; 2) collaboration support – only Siyuan adds real‑time co‑authoring, the others are primarily single‑user; 3) extensibility – Foam and logseq rely on plugins, Obsidian boasts a huge community plugin marketplace, Trilium offers built‑in hierarchical customization, and Notion provides an API and AI add‑ons; and 4) pricing/licensing – Foam, logseq, Siyuan and Trilium are free and open‑source, Obsidian is freemium with paid sync, and Notion uses a freemium SaaS model with per‑user fees. Evaluating each product against these dimensions will reveal which aligns best with your workflow and data‑ownership preferences.
All Alternatives
“Foam is an open‑source networked‑thought app using backlinks, mirroring Reflect's core purpose.”
“Foam is an open‑source, networked‑note app built on markdown and backlinks, mirroring Roam's functionality.”
“Foam is an open‑source, networked‑thought note‑taking app that stores data locally, aligning with Anytype's knowledge‑base focus.”
“Foam is an open‑source, graph‑based note‑taking tool that emphasizes networked, typed content like Capacities.”
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