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OpenEWS

Free#26 of 34 in Mass Notification Software

OpenEWS: A focused open-source option for targeted SMS, voice, and cell broadcast alerts. Ranked #26 of 34 in Mass Notification Software by our editors (6.8/10); pricing: Free plan; best for open-source early-warning deployments.

6.8/10Editor score

Visit OpenEWS

OpenEWS6.8 Visit OpenEWS

At a glance

Editor score
6.8 / 10
Pricing
Free plan
Best for
Open-source early-warning deployments
Free plan
Yes
Paid from
Free
Facts checked
21 Sep 2026

Where it wins
- Targeted broadcasts through beneficiary groups
- SMS, IVR voice calls, and cell broadcast integration
- REST API with delivery statistics and audit reporting
Where it doesn't
- Focused on emergency warning workflows
- Email and mobile app channels are outside its documented scope
- Deployment requires technical infrastructure and configuration

Our verdict on OpenEWS

OpenEWS is an open-source emergency warning system for authorities, governments, NGOs, and responders. It manages beneficiary registration, groups, targeted broadcasts, notification monitoring, and event tracking through web and API access. Its free, open-source model suits organizations that need control over an early-warning deployment and can support the technical work associated with running the platform. The strongest fit is for emergency communications teams that prioritize targeted outreach over a broad suite of general-purpose notification channels.

Its central strength is the depth of its warning workflow. Teams can organize beneficiaries into groups, send SMS broadcasts, place voice calls through IVR, and connect to cell broadcast systems. Broadcast status and delivery statistics provide operational visibility, while localization supports different languages and scripts. Event tracking and audit-oriented reporting add useful structure for organizations that need to review notification activity. The platform’s focus on warning dissemination makes it more specialized than a general communications tool, with capabilities organized around alerts, recipients, and delivery monitoring.

OpenEWS also provides a REST API using the JSON:API standard for beneficiary management, broadcast control, notification monitoring, and event tracking. Its integration profile includes Somleng, mobile network operators, government databases, and early warning protocols. The platform can run locally with Docker and can be deployed to AWS using the repository’s infrastructure configuration. Choose OpenEWS when open-source control, targeted SMS and voice delivery, and early-warning integrations matter most. Organizations seeking a wider notification suite with email, mobile apps, desktop alerts, or two-way messaging should consider a broader alternative.

Your product? Our editors can test OpenEWS in depth and publish a review, labelled as paid · from $149/mo →

OpenEWS pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on open-ews.org

OpenEWS fact sheet

Free plan	Yes
Paid from	Free
SMS alerts	Yes
Voice call alerts	Yes
Email alerts	Not verified
Desktop alerts	Not verified
Mobile app alerts	Not verified
Two-way messaging	Not verified
Audience limit	Not verified
Deployment	Cloud, Self-hosted
Platforms	Web
Support	Email, Community, Docs
Built for	Mid-market, Enterprise (editorial estimate)
Integrations	4 integrations: Somleng, mobile network operators, government databases, early warning protocols
Pricing	Free plan
Website	open-ews.org
Facts checked	21 Sep 2026

OpenEWS integrations

OpenEWS lists 4 integrations on its own site.

Somleng
mobile network operators
government databases
early warning protocols

Alternatives to OpenEWS

See all OpenEWS alternatives →

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Featured on iTechGuides

OpenEWS is listed in our Mass Notification Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update