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Carbon Forge vs Obsidian
Obsidian keeps notes as private Markdown files on your device. Carbon Forge keeps them in a shared, sealed record that agents read and write as well as you do.
Carbon Forge and AEGIS, one platform, row by row. Every row cites a public page.
Side by side
| Topic | Carbon Forge + AEGIS | Obsidian |
|---|---|---|
| Where notes live | Carbon Forge + AEGISA workspace is one server-side record of pages, atoms, files and code that people and agents share. Carbon Forge docs | ObsidianNotes are stored privately on your device as plain-text Markdown files. Obsidian |
| Extending it | Carbon Forge + AEGISAtom transclusion, a semantic graph, lanes and sealed history are part of the substrate itself, with no plugin to maintain. Carbon Forge docs | ObsidianThousands of plugins and themes shape the app to your way of thinking. Obsidian |
| Sync and history | Carbon Forge + AEGISThere is nothing to sync: every client reads the same record, and every revision is sealed into its history. Carbon Forge docs | ObsidianSync is an add-on at $4 per user per month billed annually. Obsidian |
| Publishing | Carbon Forge + AEGISPublic workspaces are free forever; private workspaces need a paid plan. Carbon Forge docs | ObsidianPublish is an add-on at $8 per site per month billed annually. Obsidian |
| Related notes | Carbon Forge + AEGISEvery page carries a Related panel of semantic neighbours found by the substrate, beside your explicit links. Carbon Forge docs | ObsidianLinking and organising are shaped by the plugins you install. Obsidian |
| Bringing a vault | Carbon Forge + AEGISDrop a zipped Obsidian vault into Imports; every Markdown file becomes a page at its source path. Carbon Forge docs | ObsidianA vault is a folder of Markdown files. Obsidian |
| Getting started free | Carbon Forge + AEGISPublic workspaces are free forever, with generous quotas on storage and media. Carbon Forge docs | ObsidianObsidian is free; Sync and Publish are paid add-ons. Obsidian |
Try it on your own work.
Sources, all read on 2026-10-22: Carbon Forge docs, “Overview” · Obsidian, “Obsidian” · Carbon Forge docs, “Source control on the substrate” · Obsidian, “Pricing” · Carbon Forge docs, “Billing and plans” · Carbon Forge docs, “Semantic search and related notes” · Carbon Forge docs, “Imports”