Pebble E-ink Smartwatch Returns Open Source

by Anika Shah - Technology
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Pebble, the e-ink smartwatch with a tumultuous history, is making a move sure to please the DIY enthusiasts that make up the bulk of its fans: Its entire software stack is now fully open source, and key hardware design files are available too.

Pebble creator Eric Migicovsky announced the move on Monday in a blog post and video detailing the changes his reborn Pebble watchmaking firm has undertaken, and they’re considerable. 

For those unfamiliar with the saga of Pebble, the budget e-ink smartwatches are Migicovsky’s brainchild, and first became widely available in 2013. Color models came later, but by 2016 the company had been acquired by Fitbit, which canned hardware sales and put the Pebble software ecosystem out to pasture. Support for the devices disappeared with the Fitbit acquisition too,leaving autonomous tinkerers operating under the name Rebble to take up support for the devices of their own accord.

Fitbit was later acquired by Google,which open sourced pebble’s operating system in January 2025. Migicovsky launched a new company, Core Devices, in March, with plans to release two new Pebble watches. Google’s trademark on the Pebble brand had expired, Migicovsky told us, and he now owns it under a new filing.

Pebble’s newly opened hardware and software

First off, all the electrical and mechanical schematics for Pebble’s one currently available device, the black-and-white Pebble 2 Duo, are PebbleOS and Mobile Apps Now Open Source on GitHub

PebbleOS and the mobile apps used to push notifications and manage the device on iOS and Android are now available on Github for yoru own compilation and modification purposes, joining the Pebble SDK and other dev tools in open source software land.

Migicovsky noted in his video that he hopes the opening of PebbleOS to anyone who wants to tinker with it will lead to a new generation of products, both watches and beyond.

“I am excited that ther may be people crazy enough to take Pebble OS and make it work in other products or other watches,” Migicovsky said.

Much of the impetus for this transition seems to stem from Migicovsky’s experience with the prior collapse of Pebble and a desire to prevent customers from being left without the ability to use their hardware if the unthinkable were to happen again.

“There wasn’t that much that the community could do to make improvements to the watches when the company ceased to exist,” Migicovsky explained in the video, noting that neither the mobile app nor the OS was made open source after Fitbit acquired Pebble and shut down operations.

## Pebble’s Creator Launches Open-Source App Store, Addresses Rebble Data Dispute

The creator of Pebble, Eric Migicovsky, is pushing for a more open future for the smartwatch platform with the launch of new features for the Pebble mobile app, including multiple app feeds and monetization options for developers. This move comes amidst a dispute with the Rebble Foundation regarding data ownership and scraping of servers.

Initially,Rebble was accused by Migicovsky of scraping Pebble’s servers and stealing data,a claim Rebble disputed. Though, Rebble afterward revised its stance, notably concerning ownership of the content within the Rebble app store – a crucial resource for Pebble apps and watch faces as Fitbit discontinued official support.

“we added the words ‘collected by, maintained by, hosted by, and served by’ … to more accurately reflect our original intent,” Rebble explained in a blog post update following community backlash against its ownership claims.

the core of the disagreement stems from the origin of the apps and watch faces available on the Rebble store.Migicovsky explained that when Fitbit shut down the original Pebble Appstore,the Rebble Foundation downloaded a complete copy of the apps and faces and created a new web service to allow continued access for Pebble users. while acknowledging Rebble’s effort in preserving this data, migicovsky emphasized that the content doesn’t belong to Rebble, a point Rebble appears to have conceded with its blog update.Though, the need for reliance on any single server is diminishing. Migicovsky announced that,pending approval from Google and Apple,the Pebble mobile app will soon support multiple app feeds that users can subscribe to. Crucially, anyone will be able to create their own feed, fostering a decentralized app ecosystem. Core, the company now driving Pebble’s progress, will also maintain a Pebble Appstore feed, which will be archived daily on Archive.org .

“This makes us not reliant on our servers, and at any point if our servers were to disappear you could download a copy of that, stand up your own Pebble app store feed, and continue to use it,” Migicovsky stated. He hopes this approach will establish a new standard for openness, encouraging all app store feeds to publish publicly available archives of their apps.

To support developers, monetization features are also being integrated into the Pebble app.

While it remains to be seen whether this open-source approach can revitalize Pebble’s presence in the wearable market currently dominated by Apple , Samsung , and others, migicovsky believes it offers unparalleled control for users who prioritize customization and open-source technology.

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