Develop for Nextcloud

Write new applications, extend Nextcloud
or integrate other software

Why Nextcloud apps?

Big audience

There are between 200.000 and 300.000 Nextcloud servers on the web with tens of millions of users between them. A big audience exists for functionality which extends the most popular self-hosted productivity platform. The most downloaded apps on our app store are installed on over 100.000 servers and have millions of user

Free promotion

We want you to be successful! If you create an app, extension or integration, Nextcloud will help you promote it. We are happy to work with you on a post for our blog, share the app over social media and you can present it at our conference.

Business opportunity

If you build an app, script, extension or tool as a business endeavor, we will be happy to support your effort. We love our ecosystem and want you to benefit of it! Perhaps we can commercialize it together, with us reselling your product or feature to our customers.

Contact us to discuss

Tutorials

Nextcloud app development tutorials

Have you always wanted to learn how to develop apps for your Nextcloud?
These tutorials should flatten your learning curve.

Build a new application

Write new applications on top of the Nextcloud platform.

App skeleton generator

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App Developer intro

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API documentation

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OCS API

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App design guidelines

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Nextcloud Vue guidelines

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Publishing apps in the Nextcloud app store

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Write a dashboard plugin

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Interact with Workflows

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Write a theme to change the look and feel of Nextcloud

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Write a Nextcloud Talk Command

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Write a new 2factor authentication plugin

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Write a new user-management backend

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Usage and infrastructure data of the community survey 2021

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Login Flow

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Client APIs

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User provisioning via REST

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Nextcloud Talk REST API

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Access Nextcloud through our Android library

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Access Nextcloud through our iOS library

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Get involved

Open Source empowers you. Where a software-as-a-service might allow you to tweak and build connectors, with Nextcloud you can go all the way and enhance the server itself or apps from other authors with new API’s and core functionality.

Contribute to Nextcloud

Featured community apps

Nextcloud OCR

The app uses tesseract-js in the browser in order to extract text from images (png, jpeg, tiff) and PDFs and saves the output file to the source folder in nextcloud. That for example enables you to search in it.

Read the interview

Digital Imaging for Medicine

The DICOM Viewer allows the user to display and manipulate DICOM images with a streamlined sidebar and viewer, all without leaving Nextcloud. The sidebar parses DICOM files and displays all DICOM attributes, such as Patient ID, Patient Name, and Study Date/Time, in a convenient details panel. A critical search feature on the sidebar enables the user to quickly search for specific DICOM attributes.

Read about the DICOM viewer

Cospend

Nextcloud Cospend is a group/shared budget manager. It was inspired by the great IHateMoney. You can use it when you share a house, when you go on vacation with friends, whenever you share money with others.

Read about Cospend

Nextcloud Include

Diversity strengthens a community. The Nextcloud Include initiative helps underrepresented groups to join the Nextcloud project, building an inclusive and diverse space where we collaborate and develop world class software.

Learn more and request mentoring