Open Source Alternatives
  • Alternatives
  • Categories
    Categories by size904 projects
    • Developer Tools471
    • AI & Machine Learning407
    • Web Development198
    • Business & Productivity195
    • Security & Monitoring131
    • Communication & Collaboration128
    • IT Management126
    • Cloud & Hosting109
    • Product & Project Management106
    • Data & Analytics105
    Browse all 21 categoriesDesign & Creative, LLMOps & AI Tooling and 9 more
  • Blog
  • Advertise
SearchNotion, Slack, password manager.../
Submit
Open Source Alternatives
  • Alternatives
    • Developer Tools471
    • AI & Machine Learning407
    • Web Development198
    • Business & Productivity195
    • Security & Monitoring131
    • Communication & Collaboration128
    • Browse all 21 categories
  • Blog
  • Advertise
Submit your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open Source Alternatives LogoOpen Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

  • Categories
  • Tag
  • Advertise

Resources

  • Blog
  • Collection
  • Submit

Company

  • Privacy Policy
  • Terms of Service
  • Refund Policy
  • Sitemap

Alternatives

  • Claude Code
  • Jira
  • Notion
  • Slack
  • Linear
  • Wispr Flow
  • All alternatives
© 2026 Open Source Alternatives. All rights reserved.
Open SourceAlternatives
Home/Categories/Communication & Collaboration/ownCloud
icon of ownCloud

ownCloud

Open source alternative to Dropbox, Nextcloud, FileCloud, Box, Microsoft OneDrive and Google Drive

  • 8.8K stars
  • AGPL-3.0
  • Active this week
  • Last commit 2 days ago

Last verified Oct 20, 2026

ownCloud is a secure file sharing and content collaboration platform, offering on-premises and SaaS solutions for data sovereignty and productivity.

Visit websiteGitHub8.8K stars1-click deploy on Hostinger
image of ownCloud
TL;DR

ownCloud is a self-hosted file sync, sharing, and collaboration platform for teams that want cloud storage on their own server. It replaces proprietary file-sharing services like Dropbox, Google Drive, or OneDrive when data location and server control matter. Best for organizations that can operate a collaboration server and need file ownership.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who ownCloud is for#

Organizations replacing shared cloud drives

ownCloud fits teams that need file sync and sharing without placing all files in a proprietary cloud account.

Skip if:

Skip if your team wants a managed office suite with no server administration.

IT teams with data-location requirements

Use it when files must stay on infrastructure controlled by the organization or a chosen hosting provider.

Skip if:

Skip if end users depend heavily on Google Workspace or Microsoft 365 co-authoring features.

the problem

The problem it solves#

Cloud file services are convenient, but they move sensitive files, calendars, contacts, sharing rules, and collaboration workflows into a vendor-controlled platform. Organizations with privacy, compliance, or data-location concerns need a way to sync and share files without giving up server ownership.

how ownCloud solves it

How it solves it#

File access, sync, and sharing

Stores files, contacts, calendars, and more on a server you choose, then syncs and shares them across devices.

App-based collaboration surface

Extends through apps such as Calendar, Contacts, Mail, and News to cover more than basic file storage.

Server-side encryption option

Supports encrypted transport with HTTPS and an encryption app for storage-level privacy improvements.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Cloud workflow on owned infrastructureownCloud gives teams Dropbox-style access and sharing while keeping the server under their control.
  • Long-running collaboration projectThe project has mature documentation, installation manuals, and an established server product footprint.

Trade-offs

  • -Server operations affect user trustFile sync must be reliable. Admins need to handle storage, backups, upgrades, HTTPS, desktop clients, and user support.
versus alternatives

ownCloud vs alternatives#

ownCloud vs Dropbox

ownCloud is the better choice when file storage, sync, and sharing must run on infrastructure you control. Dropbox is still better when the priority is a fully managed file service with minimal IT administration.

tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptPHP
frequently asked

FAQ#

Is ownCloud self-hosted?

Yes. ownCloud is designed to run on a server of your choosing for file access, sync, and sharing.

Can ownCloud replace Dropbox?

It can replace Dropbox-style sync and sharing when server ownership matters. Dropbox is easier when users only need a managed file cloud.

Does ownCloud support encryption?

The README notes HTTPS for data in transit and an encryption app for storage encryption improvements.

also worth a look

Similar open-source tools#

Nextcloud

Alternative toMicrosoft OneDrive

Self-hosted collaboration hub with file sync, calendar, and messaging.

  • 37,178 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Twake Drive

Alternative toGoogle Drive

Twake file management for Cozy-backed Drive workflows

  • 987 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Drivebase

Alternative toCloudFuze

Self-hosted cloud file manager with unified storage

  • 595 GitHub stars
  • MITLicence MIT

Syncthing

Alternative toResilio Connect

Decentralized continuous file sync with no central server

  • 89,563 GitHub stars
  • MPL-2.0Licence MPL-2.0

LocalSend

Alternative toSend Anywhere

Free cross-platform file sharing over local network, no cloud

  • 95,009 GitHub stars
  • Apache-2.0Licence Apache-2.0

Immich

Alternative toGoogle Photos

Self-hosted Google Photos with mobile backup and face search

  • 116,783 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
by category

Open source tools in these categories#

128

Communication & Collaboration

freeCodeCamp, iptv, Excalidraw
109

Cloud & Hosting

dify, RuView, rtk
126

IT Management

RustDesk, Immich, Stirling PDF
Hostinger

Run ownCloud on your own server

Hostinger sets ownCloud up as a one-click app on a VPS.

Deploy on Hostinger

Featured

rakazo

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 4,904 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Inbox Zero

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,712 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Omnara

Alternative toCClaude Managed Agents

Open-source agent deployment API. Self-host or use Omnara Cloud.

  • 2,957 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents
Feature your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM
  • LangSmith to Langfuse
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Microsoft Teams to Rocket.Chat
  • Confluence to Docmost
  • Pinecone to Qdrant
  • Zapier to n8n
  • Devin AI to OpenHands
  • Firebase to Supabase
  • 1Password to KeePassXC
  • Contentful to Strapi
  • Adobe Premiere Pro to Shotcut
  • ChatGPT to AnythingLLM
  • LangSmith to Langfuse