DisplayGrid
6.7#111 in digital signage softwareFree planFree planWebAPILinuxmacOS
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| Fact | DisplayGrid | OptiSigns |
|---|---|---|
| API access | Yes | Yes |
| Content types | images,videos,PDFs,HLS streams,WebRTC streams,web pages,custom HTML,clocks,text | JPG,PNG,BMP,GIF,AVI,MP4,PDF,DOC,DOCX,PPT,PPTX,XLS,XLSX,Google Docs,Sheets,Slides,YouTube,Instagram,Twitter,websites |
| Free plan | Yes | Yes |
| Integrations | The token-authenticated REST API can be used with Home Assistant, n8n, or cron jobs; its stated API surface covers emergency overrides and read-only screen and playlist status. | The site lists more than 140 apps, including weather, Instagram, Power BI, YouTube, and Google Slides. |
| Offline playback | Displays cache their last playlist and keep playing through network outages. | Yes |
| Product | DisplayGrid is self-hosted digital signage for restaurants, churches, schools, and community spaces. | OptiSigns turns screens and TVs into digital signage for engaging customers and employees. |
| Security | The network guide says traffic stays on the local network and nothing needs to be exposed to the internet; it documents optional HTTPS through a Caddy reverse proxy. | OptiSigns says it encrypts data in its application and holds AICPA SOC 2 Type II certification. |
| Support | The project page links to GitHub for reporting bugs. | The company says its US-based support team is available by email, phone, or its support system. |
| User roles | advanced | custom |
You want what its maker publishes above — check its page for the details.
OptiSigns suits businesses managing digital signage for settings such as retail, restaurants, healthcare, education and corporate offices. It may also fit teams that need to update screens remotely or coordinate content approvals.