Signet
Signet: A focused, free option for image-based signage across multiple screens. Ranked #185 of 207 in Digital Signage Software by our editors (3.0/10); pricing: Free plan; best for minimal open-source image signage.
At a glance
- Editor score3.0 / 10
- PricingFree plan
- Best forMinimal open-source image signage
- Free planYes
- Paid fromFree
- Facts checked21 Sep 2026
Where it wins
- Free hosted or self-hosted deployment
- Scheduling, playlists, pairing, and fallback content
- Real-time screen status dashboard
Where it doesn't
- Focused on still-image content
- No documented roles or API access
- Integration coverage is limited to Google Firebase
Our verdict on Signet
Signet is a free, open-source digital signage platform for individuals and organizations coordinating physical displays. Its browser-based interface combines a central media library, image playlists, timeline scheduling, screen pairing, fallback content, and screen status monitoring. The documented content types are PNG, JPG, GIF, and SVG. Signet is a fit for teams that need a focused way to manage image-based content across multiple screens without adopting a paid signage platform.
Deployment can be either hosted or self-managed. The hosted version is designed for use without setup, while self-hosting places the project on the user's own Firebase infrastructure. Displays use a web browser, including configurations such as a television connected to a Raspberry Pi. PIN-based pairing gives each screen a defined connection workflow, while per-screen and global fallback content help maintain assigned visuals when scheduled content is unavailable. The responsive web interface also supports management from browser-based devices.
Signet's strength is its narrow, practical scope: image playlists, custom durations and ordering, timeline scheduling, fallback content, and live status visibility are all part of the published feature set. That makes it appropriate for menus, announcements, artwork, notices, or other still-image displays managed across a small or growing screen group. It is less suitable for organizations that need a broader media system, mobile coverage, role-based administration, API access, verified offline playback, or integrations beyond Google Firebase. Choose Signet when open-source ownership and simple image signage matter most; consider an alternative when richer content types, ecosystem connections, or advanced administration are central requirements.
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Signet pricing
Signet fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Screen limit | Not verified |
| Offline playback | Not verified |
| Content types | PNG, JPG, GIF, SVG |
| User roles | Not verified |
| API access | Not verified |
| Mobile app | Not verified |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Integrations | 1 integrations: Google Firebase |
| Pricing | Free plan |
| Website | sign-net.app |
| Facts checked | 21 Sep 2026 |
Signet integrations
Signet lists 1 integrations on its own site.
- Google Firebase
Alternatives to Signet
- OptiSignsA flexible signage platform with mobile administration, offline playback, and a free plan.9.3
- YodeckA flexible signage platform with a generous free tier and broad content support.9.2
- Play Digital SignageFeature-rich signage with a free screen option and wide platform coverage.9.1
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Featured on iTechGuides
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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