FrameOS — operating system for single function smart frames. It was shared on Show HN in 2024 and received 474 upvotes on Hacker News. The operating system for smart frames. Runs on a Raspberry Pi or ESP32, renders on e-ink, HDMI and LCD displays. Standalone, self-hosted, or managed from FrameOS Cloud - everything renders on the device. Run it standalone , control it with a self-hosted backend , or manage it from FrameOS Cloud - the frame works the same either way. Free & open source since 2023 (AGPL-3.0) · Works offline · Cloud optional · Yours forever A 13.3" Spectra 6 color e-ink panel in a 3D-printed frame How do you want to get started? Then manage frames in your network over SSH. You can manage the frame through their own admin page and HTTP API . An ESP32-S3 lets you build battery-powered frames that deep-sleep between refreshes . Everything is rendered on device, including 50MB JPEGs. Batteries included Deploy a scene in your first five minutes SD card images, calendars, agendas, message boards, weather, AI art, and much more. Browse the scene store How installing works Made for e-ink Colors that actually look good A color e-ink panel's white is a light grey. Dither a photo as is and every bright sky and sunlit face clips to white. Images keep all the detail, while retaining excellent colors. Color controls guide → Calibrated As is Left of the handle: Calibrated . Hoverfly River Sunset Toucan Each pair is the editor's preview for a 7.3" Spectra 6 panel at its real 800x480 pixels.