- Ten file tools at a glance
- Ten sync and share tools to look at
- Self-hosted means three different things here
- Hosted, encrypted, or a layer on top
- What moves onto your plate when you host files yourself
- Six questions before you move your files
- My advice on choosing where your files live
- Frequently asked questions
The best Nextcloud alternatives depend on what kind of setup you want to own. Some are full self-hosted suites, one puts a web front end over storage you already have, one syncs computers directly with no server, and several are hosted encrypted storage services. Ten options follow in no particular order, each described from its own website.
People usually choose Nextcloud because they want their files out of the big tech clouds and under their own control. When they look for something else, it's often because running it has become a part-time job, or because they only ever needed one piece of what it does.
Nextcloud itself isn't in this list. The ten tools below are alphabetical and in no particular order, and every description comes from the vendor's own website, read as of Nov 2026. I've kept encryption claims to each vendor's own wording, and I've left storage allowances out.
Ten file tools at a glance
| Tool | Type | Good for |
|---|---|---|
| Cryptomator | Encryption layer for cloud storage | Encrypting files in storage you already use |
| Filen | Hosted encrypted storage | End-to-end encrypted storage with open source apps |
| Filestash | Self-hosted web client for storage | One front end for SFTP, S3 and WebDAV |
| Internxt | Hosted zero-knowledge storage | Encrypted storage from a European provider |
| ownCloud | Self-hosted sync and share suite | Enterprise file sync on your own servers |
| pCloud | Hosted cloud storage | Choosing Europe or the USA for your files |
| Pydio | Self-hosted document sharing platform | File sharing for sensitive environments |
| Seafile | Self-hosted sync and share | Sync with custom file properties and views |
| Sync.com | Hosted encrypted storage | Encrypted storage with files on demand |
| Syncthing | Peer-to-peer file sync | Syncing computers with no central server |
Ten sync and share tools to look at
Cryptomator
Best for: Encrypting files and filenames before they reach the cloud storage you already use, with a free open source tool that hosts nothing itself.
Filen
Best for: People who want hosted end-to-end encrypted storage from a company that says all of its apps are open source.
Filestash
Best for: Putting one self-hosted web front end over storage you already run, from SFTP and S3 servers to WebDAV.
Internxt
Best for: Anyone after zero-knowledge encrypted storage from a European provider whose page says its code is open source and audited.
ownCloud
Best for: Organisations deploying enterprise file sync and share on-premises, in a data centre or hybrid, with web office integrations.
pCloud
Best for: Picking whether your files are stored in Europe or the USA, with a free starting tier for storing, syncing and sharing.
Pydio
Best for: Organisations in sensitive settings that want open source file sharing deployed on their own servers, with no-code automation built in.
Seafile
Best for: Running open source file sync and share on your own server or private cloud, with custom file properties and views.
Sync.com
Best for: Teams wanting end-to-end encrypted storage plus files on demand, so the desktop doesn't fill up with copies of everything.
Syncthing
Best for: Keeping two or more computers in sync in real time with no central server, using an open protocol and open source code.
Self-hosted means three different things here
Read the vendor pages side by side and 'self-hosted' splits three ways. First, full suites you run yourself: Seafile calls itself an open source, self-hosted file sync and share solution, Pydio describes open source file sharing software deployed on your servers, and ownCloud pitches enterprise file sync and share you can deploy on-premises, in a data centre or hybrid.
Second, a front end for storage you already own. Filestash says it browses and shares files across your existing storage over SFTP, S3, WebDAV and more, so it doesn't store anything itself. Third, no server at all: Syncthing says it synchronizes files between two or more computers in real time, and its protocol is a documented specification.
Want AI doing the heavy lifting in your marketing?
I build the systems that handle the boring 80 percent, so you get your week back. Done properly, with the human kept in.
One ownership note from the pages themselves: that last vendor's site now carries a section on the Kiteworks Open Source Program Office, which it says operates under that brand. If who owns your file platform matters to you, read that section before you commit.
Hosted, encrypted, or a layer on top
- Hosted encrypted storage. Filen, Internxt and Sync.com run the servers for you and describe end-to-end or zero-knowledge encryption in their own words.
- Hosted storage with a choice of region. pCloud lets you pick whether files sit in Europe or the USA.
- An encryption layer. Cryptomator doesn't host anything. It encrypts files on top of the cloud storage you already use.
- Self-hosted suites, a front end and peer-to-peer sync. The five named in the section above, each covering a different slice of what a self-hosted file server does.
What moves onto your plate when you host files yourself
- Backups. A sync tool copies mistakes as quickly as it copies files. You still need a separate backup that sync can't overwrite.
- Updates. Someone has to apply them, test them and roll back if one breaks a client.
- Security. A server you can reach from anywhere can be reached by anyone. Sign-in rules, encryption settings and patching are yours to manage.
- Access from phones. Check there's a mobile app for the system you pick, and that it does what your team expects, such as photo upload or offline files.
- Sharing with outsiders. If clients need links to files, make sure the tool supports share links with expiry or passwords.
- Moving the data. Plan the move folder by folder, and keep the old system read-only until you've checked everything arrived.
Six questions before you move your files
- Do I need calendars, contacts and office apps, or only files?
- Who will look after the server, and what happens when they're away?
- Where will the files physically live, and does that matter to my clients?
- Is there an app for every device my team uses?
- How will I back up the data separately from sync?
- Could I leave this tool later without losing my folder structure?
If you're weighing whether to stay where you are, my guide to what the free self-hosted edition covers explains the self-host and enterprise sides. For mainstream hosted options, my lists of Box alternatives and Google Drive alternatives go wider.
Do you make a file sync or cloud storage tool? Tool makers can ask to be considered for a featured place on this list.
My advice on choosing where your files live
Work out which kind of tool you're signing up for before you compare features. A self-hosted suite gives you the most control, and it also moves backups, updates and security onto you. A front end or peer-to-peer sync tool does one job well with far less to maintain. Hosted encrypted storage takes the servers off your hands while keeping the provider out of your files, in the vendors' own words. Pick the smallest tool that does the job you need, because the one you can keep running is the one that protects your files.
Want your tool on this list? Featured spots and reviews here are paid partnerships. Here's how to partner with me.
Related: Best Wiki Software (2026): 10 Self-Hosted and Hosted Options.
Frequently asked questions
What is the best Nextcloud alternative?
There's no single answer. Self-hosted suites suit teams who want everything under their control, peer-to-peer sync suits people who only need folders kept in step, and hosted encrypted storage suits anyone who'd rather not run a server.
Is there a Nextcloud alternative that doesn't need a server?
Yes. One tool here syncs files directly between two or more computers in real time, with no central server, as of Nov 2026.
Are there open source Nextcloud alternatives?
Several. A number of tools here describe themselves as open source, including self-hosted suites, a storage front end, a peer-to-peer sync tool and an encryption layer.
Is self-hosting more private than hosted storage?
It can be, but only if you run it well. Self-hosting keeps files on hardware you control, while backups, updates and security become your responsibility.
Can I encrypt files on storage I already use?
Yes. An encryption layer can encrypt files and filenames before they reach a cloud storage account you already have, without moving to a new host.
Do sync tools replace backups?
No. Sync copies changes, including deletions and mistakes, to every connected device. Keep a separate backup that sync can't overwrite.
