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Open-Source Roam Research Alternatives (2027): 9 Networked Note Apps With Backlinks, Block References and Graph Views, From Logseq to SiYuan

Open-Source Roam Research Alternatives: Backlinks, Block References and Graph Views You Can Own

Roam Research made networked thought popular: write in an outline, link pages with double brackets, and every page shows what links back to it. But Roam has no free plan, keeps your graph in its own cloud and is closed source. If you want the same way of thinking with notes stored as files on your own device, on your own server, or simply without a subscription, an open-source alternative is the answer. We checked each tool below on its GitHub repository and official website in October 2026: the exact licence (open source or only source-available), the latest release, how it handles backlinks and graphs, and where your notes live. Abandoned projects are listed separately.
Quick answer: for the closest open-source Roam replacement, use Logseq (an outliner with backlinks and block references); for block references with a polished editor, use SiYuan; if you live in VS Code and git, use Foam; for a self-hosted wiki that also works as a journal, use SilverBullet; and for a large, structured personal knowledge base, use Trilium Notes. Athens Research, once the best-known open-source Roam clone, is no longer maintained.
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What Roam Research Costs in 2027, and What You Replace

The Roam Research homepage (checked October 2026) lists two plans: Pro at $15 a month or $165 a year, with unlimited graphs, unlimited collaborators and API access, and Believer at $500 for five years, which adds early access to new features and priority support. You are charged after 31 days, and the trial only applies if you never had a plan. The features people want to replace are the daily notes page, bidirectional links, block references and the graph. Every open-source tool below covers some or all of them for free; you pay with your own setup time, and for some of them with an optional sync service.

Open-Source Roam Research Alternatives Compared

ToolBest forLicenceLinks and graphData and sync
LogseqRoam-style daily outliningAGPL-3.0Linked and unlinked references, block references, graphLocal; DB version and RTC sync in beta/alpha
SiYuanBlock references with a WYSIWYG editorAGPL-3.0Block-level references, two-way links, graph viewLocal; paid official or third-party sync
FoamNotes in VS Code and GitHubMITWikilinks, block anchors, backlinks, graphMarkdown files, git
SilverBulletSelf-hosted wiki and journalMIT (server and CLI)Linked mentions, object graph, Lua queriesMarkdown files; one Docker container
Trilium NotesLarge structured knowledge baseAGPL-3.0Note map, relation map, labels and relationsDesktop; self-hosted sync server
TiddlyWikiA wiki in a single fileBSD-styleLinks, backlinks, tagsOne HTML file or Node.js
ZettlrResearch writing and ZettelkastenGPL-3.0Wiki links, related files, graph viewLocal Markdown files
Org-roamEmacs and Org-mode usersGPL-3.0Backlinks, graphPlain-text Org files
AnytypePrivate, object-based notesAny Source Available License (not OSI open source)Links, knowledge graphLocal-first with encrypted sync
Sources: each project's GitHub repository (licence file, releases) and official website, checked 28 October 2026.

The Best Open-Source Roam Research Alternatives in 2027

1. Logseq: the closest open-source Roam replacement

Logseq works the way Roam users expect: you write in bullet outlines on a daily journal page, link pages with double brackets, reference single blocks, and every page shows its linked and unlinked references. The Logseq repository is AGPL-3.0, supports Markdown and Org-mode, and the website promises the app stays free forever for personal use, with your data stored locally, mobile apps for iOS and Android, more than 150 plugins and 30 themes. One thing to know in 2027: Logseq is moving to a new database version (DB graphs). Version 2.0.2 of the DB version came out as a beta in October 2026, and its real-time sync and collaboration (RTC) is still in alpha. The README warns that data loss is possible in the beta, so keep backups and try it with a test graph first.

2. SiYuan: block references in a polished editor

SiYuan is a local-first, privacy-first note app built around blocks: you can reference or embed any paragraph elsewhere, links work in both directions, and a graph view shows the connections. Unlike Roam's outline, the editor is WYSIWYG Markdown with databases. The SiYuan repository is AGPL-3.0, offers a Docker image for running it on a server, and says most features are free, even for commercial use. Sync is where you pay: on the SiYuan pricing page the app with local storage is free, PRO features cost $64 once and add sync through your own S3 or WebDAV storage, and a subscription with 8 GB of official cloud storage and sync is listed at $148. The team shipped several beta builds of version 3.8.9 in late October 2026.

3. Foam: a Roam-style knowledge base inside VS Code

Foam turns Visual Studio Code and GitHub into a personal knowledge base. It adds [[wikilinks]], block anchors that link to a single paragraph or list item, note embeds, backlinks, a graph view, daily notes, templates and tags. Your notes are plain Markdown files, so git gives you version history and collaboration, and you can publish the notes as a website. The Foam repository is MIT-licensed; version 0.46.0 of the VS Code extension came out in September 2026, and the code was still being updated in October 2026. It suits technical founders who already spend the day in VS Code.

4. SilverBullet: a self-hosted wiki that links your days

SilverBullet keeps your notes as Markdown files in a folder you control and turns them into a linked knowledge base: every page shows everywhere it is mentioned, an object graph draws how pages relate, and you can query your notes like a database with a few lines of its built-in Lua scripting. It works for a private journal, a team wiki or product docs. The server and command-line tool are MIT-licensed, and you self-host the server as a single container and open it in any browser, including on your phone. According to the SilverBullet pricing page, the server is free for any number of users; the separate Desktop app is free for personal use and education, while work use needs Desktop Pro at $50 per user per year. Hosted servers start at $2 a month on PikaPods. Version 2.12.1 came out in October 2026.

5. Trilium Notes: a large personal knowledge base with note maps

Trilium Notes is a desktop knowledge base for people with thousands of notes. Notes sit in a tree with no folders, one note can appear in several places, and labels and relations connect notes; a note map and a relation map show those connections visually. It also has note types for code, diagrams, mind maps and spreadsheets, a REST API and scripting. Trilium is free under AGPL-3.0 with no paid tiers or accounts. You sync through your own server; there is no official mobile app, but you can open the server in a mobile browser. Trilium is built for one user, so several people cannot edit the same notes in real time. The original developer handed the Trilium repository to the TriliumNext community, which released version 0.106.1 in October 2026.
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6. TiddlyWiki: a non-linear notebook in one HTML file

TiddlyWiki cuts information into small notes called tiddlers and connects them with links, tags and lists; its info panel shows each tiddler's backlinks. The whole wiki can live in a single HTML file that you open in a browser, with no server, or run on Node.js. It is free under a BSD-style licence and very customisable, but it takes more tinkering than Roam. Release 5.4.0 came out in April 2026 and 5.4.1 in July 2026.

7. Zettlr: Zettelkasten notes for research and writing

Zettlr is a GPL-3.0 Markdown editor for research and writing, from first notes to a typeset paper or book. It links notes with wiki links, and its Related Files panel shows inbound, outbound and two-way links plus notes that share keywords; there is also a graph view. It connects to Zotero for citations, stores everything as files on your computer, and has no forced cloud sync or telemetry. Version 4.9.0 was released in October 2026 for Windows, macOS and Linux.

8. Org-roam: Roam's ideas inside Emacs

Org-roam brings Roam's backlinks and a graph view into Emacs and Org-mode. Notes are plain-text files you can encrypt with GPG and edit fully offline. It is GPL-3.0; the latest release, 2.3.1, came out in June 2025, and the code was last updated in April 2026. Choose it only if you already use Emacs.

9. Anytype: private, linked objects (source-available)

Anytype stores notes, tasks and other objects locally first and syncs them with encryption. When you link objects, the Anytype links guide explains, the link shows up in a knowledge graph of your whole space. It is not open source in the strict sense: the Anytype licence (Any Source Available License 1.0) allows non-commercial use and commercial use only within allowed networks. On Anytype's pricing page the Free plan includes 100 MB of remote storage and 10 shared channels, and paid plans start at $4 a month for 1 GB; a Business plan adds SSO and self-hosting.

Roam Research Alternatives That Are Abandoned, Changed or Not Open Source

The 2025 version of this article listed several tools that no longer belong on an open-source Roam shortlist:
  • Athens Research: the open-source Roam clone is no longer actively maintained, according to its GitHub README. The last release was a beta from October 2022. If you still have an Athens graph, an unofficial export tool converts it to Logseq-compatible Markdown.
  • Dendron: the VS Code note tool is in maintenance only and active development has stopped, according to its README; the last release came out in May 2023. Foam is the maintained VS Code choice.
  • Obsidian: popular and free, with no sign-up, but not open source. The Obsidian pricing page lists paid Sync and Publish add-ons and an optional $50 commercial licence per user per year.
  • Joplin: open source (AGPL-3.0-or-later) and a great private notes app, but backlinks come only from community plugins, and the best-known one was last updated in 2021. We cover Joplin in our open-source Notion AI alternatives.
  • Simplenote and Notesnook: both are open source (GPL-2.0 and GPL-3.0) and good for quick or end-to-end encrypted notes, but they are built for simple note-taking rather than a linked knowledge graph.
  • Trilium Notes: still a top pick, but the old zadam/trilium link now redirects to the community repository TriliumNext/Trilium.

Which Open-Source Roam Research Alternative Should You Choose?

  • You want Roam's outline, daily notes and block references: Logseq, keeping backups while the DB version is in beta.
  • You want block references with a more polished editor and databases: SiYuan.
  • You are a developer who works in VS Code and git: Foam.
  • You want one self-hosted place for a wiki, journal and docs: SilverBullet.
  • You have thousands of notes and want structure plus links: Trilium Notes.
  • You write papers, books or long reports: Zettlr.
  • You already live in Emacs: Org-roam.
  • You need a whiteboard next to your notes: see our open-source Miro alternatives.
Comparing paid and free tools too? See our lists of Roam Research alternatives, free Roam Research alternatives, open-source Obsidian alternatives and open-source Notion alternatives.

How Founders Use a Networked Note Tool

For an early-stage founder, a linked note graph is a second brain for customer interviews, investor conversations and product ideas. Write one daily note, link every person, company and idea you mention, and the backlinks show you later which customers raised the same problem. Turn the decisions into tasks in a separate tool; our free Todoist alternatives and open-source Trello alternatives with AI cover that side. To document processes with screenshots for your team, see the open-source Scribe alternatives, and for diagrams inside your notes, the open-source draw.io alternatives.
Working with a distributed team? Read our collaboration tools for remote startups and remote team management practices, and if you are choosing between hosted tools, our Miro vs Notion comparison. For AI help with research notes, see how Google's NotebookLM works, and for coding, the open-source GitHub Copilot alternatives. When your notes turn into articles, the F/MS AI SEO Tool helps people find them in Google and AI assistants.
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FAQ About Open-Source Roam Research Alternatives

What is the best open-source alternative to Roam Research?

Logseq is the closest match: an AGPL-3.0 outliner with daily journal pages, double-bracket links, block references and linked references on every page. SiYuan is the best pick if you prefer a WYSIWYG editor with block references.

Is Roam Research free?

No. When we checked in October 2026, Roam Research listed a Pro plan at $15 a month or $165 a year and a Believer plan at $500 for five years, with a 31-day trial for new customers.

Is Logseq still maintained?

Yes. Logseq is in active development and is moving to a new database version; version 2.0.2 of the DB version came out as a beta in October 2026. Its README warns that data loss is possible in the beta, so keep backups.

Is Obsidian open source?

No. Obsidian is free to use without sign-up, but its code is not open source. Logseq, SiYuan, Foam, SilverBullet and Zettlr are open-source tools with backlinks.

What happened to Athens Research?

Athens Research is no longer actively maintained, according to its GitHub README. The last release was a beta from October 2022. Logseq is the usual replacement.

Which Roam alternative can I self-host?

SilverBullet runs as a single container, Trilium Notes has a self-hosted sync server, and SiYuan offers a Docker image. Roam Research itself is a hosted service.

Is Anytype open source?

Not in the strict sense. Anytype's code is public under the Any Source Available License 1.0, which allows non-commercial use and commercial use only within allowed networks.

Which tool has block references like Roam?

Logseq and SiYuan both support references to single blocks. Foam offers block anchors, which link or embed a specific paragraph, list item or heading.

Can a team collaborate in an open-source Roam alternative?

Partly. SilverBullet can serve a team wiki, Foam uses git for collaboration, and Logseq's real-time collaboration is still in alpha. Trilium Notes is built for a single user.

Where can I get a backlink by writing about my startup?

You can publish a guest post in one of the Fe/male Switch startup blogs, which rank in Google and in AI tools. Get a quality backlink.

About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. Throughout her startup experience she has applied for multiple startup grants at the EU level, in the Netherlands and Malta, and her startups received quite a few of those. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.
2026-10-28 04:48 Top Alternatives