Pier

Under review

Mount Nextcloud, SFTP and NFS storage as a drive

Built for Windows users and IT teams on Nextcloud, NAS or Linux servers: maps WebDAV, SFTP and NFS shares to a drive letter with block caching, resumable transfers and offline mode.

Built by James Monday · Productivity · Freemium

Coming soon on Launch Llama Tools

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James Monday (Joined Nov 2026)

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Built for Windows users and IT teams on Nextcloud, NAS or Linux servers: maps WebDAV, SFTP and NFS shares to a drive letter with block caching, resumable transfers and offline mode.

About

Pier runs as a Windows service with a tray icon and uses the open-source Dokany file-system driver, so Explorer, Office and backup tools treat the remote folder like an ordinary disk. Files are fetched in blocks into a cache you size yourself, so only the touched parts of a file are transferred and repeat reads do not download again. Before the first mount, Pier probes the server for write, rename, timestamp and case-sensitivity support and reports any problems up front.

Key Features

Mount WebDAV, SFTP and NFSv3 storage as a Windows drive letter via Dokany
Cache file blocks on local disk so large files and repeat reads stay fast
Resume interrupted uploads and downloads from the last block
Reconnect automatically after network changes and work offline from cache
Probe a server for write, rename and case-sensitivity support before mounting

Use Cases

Mounting a Nextcloud folder as a drive so Office and Explorer can open and save files directly
Working with large video or archive files over a slow link without downloading them twice
Mounting a Linux server's NFS export or SSH host as a Windows drive for backup tools and scripts

From the founder

Who it's for

“People and small teams whose files live on a NAS (Synology, QNAP), a Nextcloud or ownCloud server, or an SSH/NFS server, and who want those files as an ordinary Windows drive letter that every program can open, even over a slow or unstable connection.”

Why I built it

“The WebDAV client built into Windows limits files to about 50 MB by default, accepts only Basic authentication over HTTPS and drops the drive when the connection breaks. Pier was made to fix that: block cache, resumable transfers, offline mode and a Windows service that keeps the drive letters across reboots.”

— James Monday, founder of Pier

Who it is for

Teams running Nextcloud, NAS boxes or Linux servers who need Windows drive access
Windows users who need SFTP or NFS shares mounted as a local disk

Pricing

Free up to 5 drives; Pro USD 19/year

FAQ

Which servers does Pier work with?

Any WebDAV server (Nextcloud, ownCloud, Synology, QNAP, Apache mod_dav, IIS), any SSH server with SFTP (OpenSSH on Linux, BSD, macOS, NAS firmware) and NFSv3 exports. Before the first mount Pier runs a check and reports what the server can do.

Does it need Dokany?

Yes. Dokany is the open-source file-system driver Pier uses to present the drive letter. Install it once from dokan-dev.github.io; Pier tells you if it is missing.

What happens to a large upload when the connection drops?

The file stays in the local cache and the upload resumes from the last completed block as soon as the link is back. With Nextcloud the chunked-upload protocol is used, with SFTP the file offset.

Can I work without a connection?

Switch the drive to offline mode: everything already in the cache opens, and your changes are queued and pushed when you go online again.

How much does it cost?

Free: up to 5 drives, all protocols and features, an ad banner in the settings window. Pro: $19 per year, unlimited drives and no ads. Regional prices are applied at checkout.