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OpenCloud

Open source · OSI-approvedStatus: unknownNew

Self-hosted file sharing and collaboration on a Go microservice backend

Alternative to Dropbox

OpenCloud is a self-hosted file-sharing and collaboration platform built by OpenCloud GmbH in Germany. It gives teams Dropbox-style sync and sharing on infrastructure they control, using a Go microservice backend that runs in containers. The audience is organizations that want file collaboration without handing their documents to a US cloud vendor. A hosted trial with 4 GB of free storage and partner-operated instances cover teams that are not ready to run a server yet.[1][2]

Quick verdict

Teams that want self-hosted file sharing without a heavy platform benefit most from OpenCloud. Its Go microservice backend and single-server Docker Compose setup keep hardware needs and administration modest. Organizations looking for a full collaboration suite with chat, mail, and calendars should evaluate Nextcloud or a managed vendor instead. If controlled file sharing with EU hosting is the job, start with the free Community edition or the 4 GB Online trial; if suite breadth matters more, choose Nextcloud.[1][2][3]

Key features

  • Single-server Compose install A single command fetches the deployment files, and the docs walk through firewall settings, reverse proxies, and one officially supported upgrade path per release.[1]

  • Go microservice backend The services ship as containers with a small footprint, and the vendor documents Kubernetes scaling for installations that outgrow one machine. The repository records more than 350 integration tests around that backend, with around 50 contributors.[1]

  • Desktop and mobile sync clients Native apps cover Windows, macOS, Linux, Android, and iOS, with browser access for everything else, so files stay available across devices. The Android client ships through both Google Play and F-Droid.[1]

  • Office collaboration built in Collabora or ONLYOFFICE provide real-time document co-editing inside the web interface, with 8.1 adding a Collabora application mode. The administrator picks which editor the instance uses.[1][2]

  • Guest access and public links Teams can invite guests, share password-protected links with expiry dates, and pin Spaces quick links for recurring shares. Quick links for Spaces arrived with the 8.1 release.[1][2]

  • LDAP and OpenID Connect sign-on The platform connects to existing directories and identity providers including Keycloak, Authentik, and Microsoft Entra ID. LDAP covers legacy directories while OIDC covers modern providers.[1]

  • Compliance-oriented hosting story The vendor is EU-based, hosts in Germany under GDPR, and documents antivirus scanning through a VirusTotal ICAP integration. Enterprise subscriptions add a 24x7 SLA for deployments where downtime has regulatory consequences.[1]

  • Documented Nextcloud migration An official migration guide plus migration tooling in paid subscriptions address teams moving an existing Nextcloud instance. The docs hub carries the guide and the subscription adds support around the move.[1][2]

Who will love it

  • Regulated European teams GDPR-aligned hosting in Germany and an EU vendor suit organizations that must keep documents under European jurisdiction.[1][2]

  • Small IT teams with Docker skills One-server Compose deployment plus a guided admin manual fits shops that can run containers but not a large platform.[1]

  • Companies consolidating cloud spend Replacing per-seat proprietary sync with storage they already own can pay off once the team is large enough to justify one server.[1][2]

Who should avoid it

  • Teams with nobody to run a server Self-hosting still needs upgrades and a reverse proxy; a fully managed vendor suits teams without that capacity.[1]

  • Suite seekers There is no built-in mail, calendar, chat, or app store comparable to broader platforms, so suite buyers should look elsewhere.[1]

  • Casual personal users Someone syncing a few gigabytes between two devices gets going faster with a free proprietary tier than by operating a server.[1]

What the reports suggest

One independent tech-publication review (XDA, October 2026) by a writer who reports moving personal storage from Google Drive to OpenCloud, plus official documentation. No direct user reports were available for quotation.

1 cited community source. No original Reddit or G2 user reports could be inspected: the sampled Reddit thread was unreachable and no suitable G2 review was found. The XDA piece is one journalist's account, not a sample of user opinion, so no satisfaction claim is made.

Reviewer migration report An XDA writer reports moving personal storage from Google Drive to OpenCloud, describing setup and maintenance as easier than Nextcloud and praising the modern interface and mobile app, while noting enterprise features need a subscription.[1]

Sample limits This is one publication review, not a sample of user opinion: no Reddit or G2 reports could be inspected, so agreement or satisfaction claims would be unsupported.[1]

Deployment and fit

Deployment footprint Primary model is Docker Compose on a 64-bit Linux server with one supported upgrade path per release; Kubernetes is documented for larger installations.[1]

Identity and office integrations LDAP and OpenID Connect (Keycloak, Authentik, Microsoft Entra ID) cover sign-on; Collabora or ONLYOFFICE cover co-editing; VirusTotal ICAP covers antivirus scanning.[1][2]

Questions worth asking

What is the best OpenCloud alternative for non-technical users?

Nextcloud through a managed provider fits non-technical teams better, because it adds mail, calendar, and chat with someone else handling the server. OpenCloud assumes an administrator; its own docs target operators directly.[1][2]

Is OpenCloud really no-code?

Using it is: sharing, syncing, and co-editing need no programming. Running it needs server skills, since deployment, upgrades, and reverse-proxy configuration sit with the operator.[1][2]

How much does OpenCloud cost per month?

The Community edition is free open-source software; you pay only for your own server and its operation. Paid Standard and Enterprise support subscriptions with defined response times and 8x5 or 24x7 SLAs are quote-based, with no public per-seat monthly price, as checked October 12, 2026. A free licence does not cover hosting or support.[1]

Can you self-host OpenCloud?

Yes. Self-hosting is the primary model: Docker Compose on a 64-bit Linux server, with Kubernetes documented for larger installations and exactly one supported release upgrade path at a time.[1]

Sources and editorial review

Source research. Reviewed on October 12, 2026. Written by Sanjib Sah. AI assisted; reviewed by a human editor.

We have not run or tested this product.

One independent tech-publication review (XDA, October 2026) by a writer who reports moving personal storage from Google Drive to OpenCloud, plus official documentation. No direct user reports were available for quotation. No original Reddit or G2 user reports could be inspected: the sampled Reddit thread was unreachable and no suitable G2 review was found. The XDA piece is one journalist's account, not a sample of user opinion, so no satisfaction claim is made.

  1. OpenCloud official homepage

    official · Observed October 12, 2026

    Official homepage: vendor identity, sync clients, sharing features, office editors, hosted trial. Observed 2026-10-12.

  2. OpenCloud service and support

    official · Observed October 12, 2026

    Official support page: Community/Standard/Enterprise plans, SLAs, SSO, LDAP, antivirus, GDPR hosting. Observed 2026-10-12.

  3. opencloud-eu/opencloud repository

    official · Observed October 12, 2026

    Official monorepo: Go backend, Vue.js/TypeScript frontend, contributors, tests, trial. Observed 2026-10-12.

  4. opencloud-eu/opencloud LICENSE

    official · Observed October 12, 2026

    Repository license file: Apache License 2.0, fixing the canonical license identifier. Observed 2026-10-12.

  5. OpenCloud documentation

    official · Observed October 12, 2026

    Official docs hub: Compose deployment, admin manual, Nextcloud migration guide, developer docs. Observed 2026-10-12.

  6. opencloud-eu/opencloud releases

    official · Observed October 12, 2026

    Release history: 8.1.0 released 2026-10-05, maintained 8.0.x/7.1.x lines. Observed 2026-10-12.

  7. XDA: This open source tool is the Nextcloud alternative I needed

    community · Observed October 12, 2026

    Independent tech-publication review (Oct 2026), not a firsthand user report; used for community analysis only, not as a catalogue fact. Observed 2026-10-12.

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