Over-the-air software updates for embedded Linux devices

Mender is an open source tool for updating your embedded devices safely and reliably

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Mender 1.2.0 is now available! Read more

Avoid recalls and patch security vulnerabilities for embedded Linux IoT devices

Full image updates

Full image updates

Image-based updates using a dual A/B rootfs partition layout with rollback support

Management server

Management server

Manage and see reports of deployments with the intuitive UI or REST APIs

Open source

Open source

Apache License 2.0, end-to-end from server to client

Yocto Project integration

Yocto Project integration

Easily integrate Mender into your devices using the meta-mender layer

Introducing Mender 1.2

What's new in 1.2.0

  • Support for state scripts (pre/post install scripting)
  • Raw flash support
  • User management features

Other features

  • Intuitive UI
  • Group your devices for controlled rollout management
  • Secure TLS communication between client/server

Learn more about the new features

Watch our 3 minute video demonstration of the Mender user interface

Atomic updates with built-in rollback is a key requirement. We need to make sure our devices continue to work with automated rollback if the update didn't take for any reason. Mender provided that crucial capability.

Joel Hermanns, CIO of gridX

Read our customer case studies

Why Mender?

Ease of use

Better than homegrown

Mender removes the vast effort of building and maintaining a homegrown solution or cobbling together an assortment of tools. Focus on your product. Leave OTA updates to us.

User friendly

Mender comes with extensive documentation, an intuitive UI, and a test environment where you can deploy your first update within 1 hour.

Read the Getting Started guide



High quality

Mender has more than 70% test coverage and a growing open source community that is continuously testing, reviewing and improving the product.

Avoid bricked devices

Automated rollback support so your devices will always come back online, even in cases of power loss or data corruption while the update is being deployed.


Built from the ground up with security in mind, Mender enforces secure HTTPS connections and has zero open ports on the embedded device.


Open source

No vendor lock-in

Mender is the only end-to-end OTA tool with both the server and client open source (Apache 2.0), giving you flexibility and freedom.

No rip-and-replace

There is no full-platform, OS or toolchain rip and replace - integrate Mender into your existing development workflow.

Board support

The Mender management server and client is fully open source and free to use.

Mender provides professional services to get you off the ground with automated OTA updates quickly.

Learn more about board support

Support for your board for


as a one-time fee.

*covers bootloader integration, offer valid until September 26th, 2017. Contact us for availability for your board.

Latest blog

Notes from a user on Mender without Yocto

22nd Sep 2017

Arnstein Kleven, one of our Mender users, decided to use Mender for his board without using Yocto, and he was kind enough to share his notes from the experience! It's great to have an outside perspect...

Read our blog

Next event

Joint webinar with Toradex on secure over-the-air updates for embedded devices

Wednesday, September 27th, 2017

In this joint webinar, we will discuss some of the considerations in designing an update system. We will cover best approaches for safely deploying over-the-air (OTA) software updates for IoT devices without downtime or service disruption on a Toradex Colibri iMX7 SoM, powered by the NXP i.MX 7 processor, with raw NAND.


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