Roam Research costs $15/mo.
These cost $0.
3 free alternatives to Roam Research, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
Roam Research vs Free Alternatives Matrix
Quick side-by-side comparison · $0/mo vs $15/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| SiYuan | open source | AGPL-3.0 | Local or hosted | ★ 46k | Roam Research vs SiYuan → |
| Logseq | open source | AGPL-3.0 | Local | ★ 44k | Roam Research vs Logseq → |
| Obsidian | free | proprietary, free | Local | ★ $0 forever | Roam Research vs Obsidian → |
The picks
2 open source · 1 free to use · ranked by fit
- 01
SiYuan
open sourceAGPL-3.0Local or hosted46kaug 2026Block references, backlinks and outlines without making the outliner your entire personality.
The catch vs Roam ResearchSiYuan supports block references and backlinks but its outliner, graph queries, and collaborative editing feel less fluid and immediate than Roam's.
Install, platforms & data +
- platforms
- desktopmobileself-hostedextensionone-click install
- install
- Desktop/mobile package, or Docker image for browser-based self-hosting
- setup
- The desktop app installs cleanly, but free cross-device sync is not a turnkey feature: official cloud sync is a paid membership feature and Docker hosting does not transparently become desktop/mobile sync
- engines
- Built-in AI features connect to OpenAI-compatible APIs using a configured endpoint and key
- your data
- A workspace stores block documents as structured .sy JSON files plus assets on disk; SQLite files hold indexes and auxiliary state; documents can export to Markdown, HTML, PDF, and Word
- checked
- 2026-08-10
- 02
Logseq
open sourceAGPL-3.0Local44kaug 2026Roam's block graph, minus the monthly tribute and plus a folder you can inspect.
The catch vs Roam ResearchLogseq closely matches the outliner, but its sync and collaboration story is less mature and its transition between file and database editions adds uncertainty.
Install, platforms & data +
- platforms
- desktopmobileone-click install
- install
- Desktop or mobile installer from the official downloads/releases
- setup
- The first decision is whether to stay on the mature file-based edition or adopt the newer database edition and its migration path; either way, sync and backups need deliberate setup
- your data
- The established file-based edition stores pages as Markdown or Org files plus assets in a local graph folder; the newer database-backed edition uses a different local database model
- checked
- 2026-08-10
- 03
Obsidian
freeproprietary, freeLocalBidirectional links and block references in plain files; the outline comes from plugins.
The catch vs Roam ResearchObsidian is page-and-file-centric rather than a block-native outliner, so Roam's fluid block references, daily-note capture, and block queries require plugins and workarounds.
Install, platforms & data +
- platforms
- desktopmobileone-click install
- install
- Official desktop or mobile installer
- your data
- Each vault is an ordinary folder of Markdown files plus local attachments and configuration; optional paid Obsidian Sync stores end-to-end-encrypted replicas in Obsidian's service
- checked
- 2026-08-10
Frequently Asked Questions
Direct answers · Roam Research open-source replacements
What is the best free alternative to Roam Research?+
The top free alternative to Roam Research is SiYuan (open source, AGPL-3.0). Block references, backlinks and outlines without making the outliner your entire personality. Other popular Roam Research replacements include Logseq, Obsidian.
Can I self-host a free replacement for Roam Research?+
Yes. Of the 3 free alternatives to Roam Research, 1 can be self-hosted on your own server or local machine: SiYuan (AGPL-3.0).
How much does switching from Roam Research to a free alternative save?+
Roam Research starts at $15/month per seat ($180/year). Switching a 5-person team to a free alternative like SiYuan saves $900 per year in software subscription fees.
Should I vibe-code or build my own Roam Research clone from scratch?+
Our build verdict for Roam Research is YES (the core loop fits in a weekend). Roam Research's solo core is compact: build a local-first networked notes app with fast capture, full-text search, backlinks, tags, and Markdown export. A competent builder can reach a useful personal version in one sitting, while the paid product mainly wins on polish, sync, importers.
What is the catch when switching from Roam Research to SiYuan?+
SiYuan supports block references and backlinks but its outliner, graph queries, and collaborative editing feel less fluid and immediate than Roam's.
