Halyard vs Obsidian.
Obsidian is the gold standard for personal knowledge — local-first, markdown-native, yours forever. Halyard takes the same philosophy — emergent structure, graph-native, backlink-rich — and points it at your organisation. Think of us as Obsidian for orgs, without locking your data into one platform.
The right choice for your own brain. Every note is a markdown file you own. You write. You link. The graph emerges. No vendor can take it away. A single-player tool, on purpose.
The right choice for your team's brain. Halyard captures what your org already produces — Slack threads, decisions in GitHub PRs, specs in Notion, meeting notes in Granola — and feeds every AI tool your team uses with grounded, attributed, cross-referenced context. Multiplayer by default.
Individual second brain,
team second brain.
Pick Obsidian when…
- You're building your own personal knowledge base and want full control.
- Data ownership matters — you want markdown files on your disk, forever.
- You love curating, linking, and tending your notes as a craft.
- You want a best-in-class writing experience with a vast plugin ecosystem.
Pick Halyard when…
- The knowledge you need isn't in your head — it's in your team's Slack threads and PRs.
- You want capture to be automatic, not a daily journalling habit for every teammate.
- Your AI tools should retrieve from your org's knowledge without everyone learning a new app.
- When the answer isn't written down, you want Halyard to route the question to the right person.
Your Obsidian vault is still your personal workspace — your drafts, your connections, your craft. Halyard handles the team layer: the decisions, processes, and tacit expertise your colleagues share in the tools they already use. Two surfaces, different owners, zero conflict.
Feature by feature.
An honest row-by-row read. Obsidian wins where individual ownership and authoring experience matter most; Halyard wins where team capture and agent retrieval are the job.
| Feature | Obsidian | Halyard | Winner |
|---|---|---|---|
| Who it's for | Individuals curating a second brain they fully control | An organisation's collective knowledge, available to every person and agent | Depends |
| How knowledge gets in | You type, paste, and link manually — every note is hand-authored | Automatic capture from Slack, Notion, GitHub, Drive, Linear, meetings — no behaviour change from your team | Halyard |
| Data ownership | Local markdown files — plain text, yours forever, usable without Obsidian | SaaS knowledge graph; export to markdown available for portability | Obsidian |
| Multiplayer by default | Built for one person — Obsidian Sync and Publish are add-ons, not the core | Team-native from day one — shared graph, attribution, role-based access | Halyard |
| AI retrieval | Via community plugins (Smart Connections, Copilot, MCP-compatible forks) — you assemble it | First-class — every AI tool your team runs reads from the same grounded graph | Halyard |
| Human expert routing | N/A — you're the only expert | Agent hits an unknown → Halyard routes to the right human in Slack → reply becomes durable knowledge | Halyard |
| Authoring experience | Best-in-class — keyboard-driven, plugin-rich, fast, delightful to use | Lightweight — we're a knowledge layer, not a note-taking app | Obsidian |
| Emergent graph structure | Core philosophy — [[wiki-links]], backlinks, graph view, bidirectional by default | Same philosophy at org scale — auto-discovered relations, mention detection, agent-driven queries | Depends |
| Plugin / extension ecosystem | 2000+ community plugins — Obsidian is as much a platform as a product | Extension happens through MCP — every agent is effectively a plugin | Depends |
What we borrowed from Obsidian.
We built Halyard with Obsidian's core instincts in mind. These are the parts of Obsidian's philosophy we intentionally scaled to the org.
Structure is emergent, not imposed.
Like Obsidian, Halyard doesn't ask you to classify knowledge up front. Types and relations are auto-discovered and refined.
Bidirectional links are cheap.
Mention an existing entry in a new note, and the connection becomes a relation automatically. No manual tagging tax.
Your data is never trapped.
Export to markdown with [[wiki-links]] at any time. Halyard should earn your trust, not hold your knowledge hostage.
The org's second brain.
Obsidian's philosophy, scaled to your team. Captured automatically. Queryable by every agent you run.