{
  "schema": "tesign-radar/item/1",
  "generated_at": "2026-09-17T01:56:13.055Z",
  "lang": "en",
  "slug": "opendisplay",
  "url": "https://tesign.com/en/item/opendisplay/",
  "alternates": {
    "ko": {
      "html": "https://tesign.com/item/opendisplay/",
      "json": "https://tesign.com/item/opendisplay/index.json",
      "markdown": "https://tesign.com/item/opendisplay/index.md"
    },
    "en": {
      "html": "https://tesign.com/en/item/opendisplay/",
      "json": "https://tesign.com/en/item/opendisplay/index.json",
      "markdown": "https://tesign.com/en/item/opendisplay/index.md"
    }
  },
  "name": "OpenDisplay",
  "use_label": "iPad or iPhone as a Mac second monitor",
  "one_liner": "Turns an iPhone or iPad into a real second monitor for a Mac.",
  "text": {
    "why": "Adding one more screen to a Mac usually starts with buying a device or paying for an app. opendisplay connects an iPhone or iPad you already own over USB or WiFi and uses it as a second monitor. It states low-latency H.264, Retina HiDPI and touch input. Written in Swift and published under GPL-3.0.",
    "take": "Turns an iPhone or iPad you already own into a true extended display with no account or dongle.",
    "build": [
      "A portable setup that adds a second screen in a meeting room",
      "A desk layout with the iPad kept for tool panels only"
    ],
    "who": [
      {
        "role": "Mac user",
        "situation": "adds a second screen in a meeting room or café"
      },
      {
        "role": "Solo business",
        "situation": "wants a second monitor without a paid app"
      },
      {
        "role": "Developer",
        "situation": "keeps the iPad for docs and tool panels only"
      }
    ],
    "start": [
      {
        "command": false,
        "text": "Mac: open OpenDisplay.dmg from the latest release, drag to Applications (macOS 14+)"
      },
      {
        "command": false,
        "text": "iPhone/iPad: install the app via the TestFlight public beta (iOS 16+)"
      },
      {
        "command": false,
        "text": "Connect a data-capable USB cable, then allow Screen Recording and Accessibility"
      }
    ],
    "caveat": [
      "Uses the private CGVirtualDisplay API, so a macOS update may break it",
      "The iOS app installs via TestFlight or your own build, not the App Store",
      "Encrypted WiFi transport is still on the roadmap"
    ]
  },
  "cta": {
    "type": "install",
    "label": "INSTALL",
    "url": "https://opendisplay.app/"
  },
  "ready": "install",
  "categories": [
    "hardware",
    "productivity"
  ],
  "categories_confirmed": true,
  "tags": [
    "macos",
    "display",
    "ios"
  ],
  "platform": [
    "macos",
    "ios"
  ],
  "license": {
    "spdx": "GPL-3.0",
    "scope": "copyleft",
    "scope_text": "Use freely. Release your source if you redistribute (copyleft).",
    "url": "https://spdx.org/licenses/GPL-3.0.html",
    "note": null,
    "open_source": true
  },
  "language": "Swift",
  "source_urls": {
    "canonical": "https://opendisplay.app/",
    "github": "https://github.com/peetzweg/opendisplay",
    "huggingface": null,
    "app_store": null,
    "sightings": [
      {
        "source": "github",
        "url": "https://github.com/peetzweg/opendisplay",
        "posted_at": "2026-09-12T22:00:00.000Z",
        "hn_url": null
      }
    ]
  },
  "numbers": {
    "as_of": "2026-09-16T21:00:00.000Z",
    "stars": 4026,
    "stars_unit": "GitHub stars",
    "stars_checked_at": "2026-09-15T19:33:54.682Z",
    "stars_observed_since_check": 42,
    "star_delta_24h": 36,
    "star_delta_7d": 165,
    "star_delta_30d": 172,
    "star_delta_unit": "GitHub stars gained in the window, GH Archive events summed to as_of",
    "spark_14d": [
      2,
      5,
      null,
      null,
      null,
      null,
      null,
      null,
      null,
      13,
      49,
      4,
      69,
      30
    ],
    "hf_likes": null,
    "hf_likes_observed_at": null,
    "hn_points": null,
    "hn_points_observed_at": null,
    "store": null,
    "method": "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours."
  },
  "ranks": {
    "as_of": "2026-09-16T21:00:00.000Z",
    "all_time": null,
    "rising": {
      "24h": null,
      "7d": null,
      "30d": null
    },
    "categories": [
      {
        "category": "hardware",
        "label": "HARDWARE",
        "rank": 2
      }
    ]
  },
  "activity": {
    "pushed_at": "2026-09-15T10:44:44.000Z",
    "owner_type": "User",
    "open_issues": 142,
    "contributors": 6,
    "releases_count": 40,
    "latest_release": {
      "tag": "v1.19.0",
      "published_at": "2026-09-01T19:41:24.000Z",
      "prerelease": false
    },
    "checked_at": "2026-09-15T19:33:54.682Z",
    "core_checked_at": "2026-09-15T19:33:54.682Z"
  },
  "signals": [],
  "images": {
    "og": "https://tesign.com/img/opendisplay-ff7752afa9.png",
    "cover": "https://tesign.com/img/opendisplay-ff7752afa9.png",
    "cover_width": 2400,
    "cover_height": 1260,
    "gallery": [
      "https://tesign.com/img/opendisplay-ff7752afa9.png"
    ],
    "alt": "opendisplay.app landing: a two-screen smiley icon, the headline 'Use your … as your Mac's second monitor' and an OS line.",
    "tier": 1
  },
  "dates": {
    "first_seen_at": "2026-09-13T07:43:26.628Z",
    "source_created_at": "2026-06-10T09:08:00.000Z",
    "discovery_hours": 2278.59073,
    "launch_signal_at": "2026-09-12T22:00:00.000Z",
    "kept_at": "2026-09-13T11:32:21.707Z",
    "first_published_at": "2026-09-13T11:32:21.881Z",
    "updated_at": "2026-09-15T04:36:56.930Z",
    "ingestion_mode": "live"
  },
  "notes": [
    "This file was produced by the same build, from the same data, as the tesign.com item page. The text is editorial; the numbers are stored observations.",
    "null in the JSON means not observed — never zero. The Markdown writes [unconfirmed] for it.",
    "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours.",
    "A summary, not legal advice."
  ]
}