3 alternatives to Obsidian Sync
Compare free and open-source solutions before building your own. Check each option’s license, setup, and limitations.
Syncs the vault directly between computers; iPhones remain the awkward relative.
LicenseMPL-2.0
PlatformsOn your machine
InstallationInstall a native package or binary on every device, exchange device IDs, and share the vault folder
DataThe original Markdown files and attachments remain as normal files in selected folders on each peer; Syncthing keeps its configuration and index database locally
Limitations compared to Obsidian SyncIt has no central always-available history or recovery service, devices need overlapping availability to propagate changes, and iPhone/iPad support depends on third-party clients.
SetupEvery device needs a client and pairing, at least one peer must be online to receive changes, and there is no official iOS client
Facts verified 2026-08-11
Your own cloud, complete with the privilege of maintaining your own cloud.
LicenseAGPL-3.0+
PlatformsOn your server
InstallationNextcloud All-in-One Docker stack or a supported web-server/PHP/database installation, plus sync clients
DataUser files in a server data directory or object store; accounts, shares, file cache, versions, and other metadata in the database, with optional local synced copies
Limitations compared to Obsidian SyncIt can sync the folder, but it is not Obsidian-aware, does not provide the same conflict handling and version recovery by default, and makes you operate the cloud service.
SetupA practical deployment needs an always-on host, Docker or a full PHP/database stack, domain and TLS, storage planning, backups, and upgrades
Facts verified 2026-08-11
Five free gigabytes and excellent Apple plumbing; everyone else gets a side door.
LicenseFree, closed source
PlatformsIn the provider’s cloud
InstallationEnable iCloud Drive in Apple-device settings; install iCloud for Windows from the Microsoft Store
DataOrdinary vault Markdown files and attachments in Apple's iCloud storage, mirrored or downloaded into Finder, Files, or File Explorer on signed-in devices
Limitations compared to Obsidian SyncIt is Apple-centric and lacks Obsidian Sync's vault-aware version history, deleted-file recovery, selective vault syncing and end-to-end-encrypted service across all supported platforms.
SetupAn Apple Account is required, free storage is shared with all iCloud data, and Android/Linux have no native iCloud Drive sync client
Facts verified 2026-08-11
Updated 2026-08-11 · no paid listings
| Tool | License | Setup | Platforms | Stars | Activity |
|---|---|---|---|---|---|
| Syncthing | MPL-2.0 | One-click installation | macos, windows, linux, cli | 87,300 | 2026-08 |
| Nextcloud | AGPL-3.0+ | Self-hosted with ongoing maintenance | web, macos, windows, linux, ios, android, self-hosted | 36,300 | 2026-08 |
| iCloud Drive | Free, closed source | Hosted by the provider | web, macos, windows, ios | — | — |
They pay for no-drama sync across devices while keeping Obsidian's local-first model. If those points do not matter to you, the options above could save $48 per year.
Is there a free alternative to Obsidian Sync?
Yes: Syncthing, Nextcloud, iCloud Drive. This page lists 3 free or open-source options. Check the limitations of each.
Should I build my own Obsidian Sync?
Our verdict: Buildable. If you already accept local Markdown files, syncing folders across devices is a solved problem; the hard part is not the app, it is conflict-free convenience. The complete prompt is on the Obsidian Sync page on Vibe Radar.
