| What it does | Uptime monitoring, status pages and on-call schedules in one platform
| Self-hosted observability platform for Kubernetes that keeps all telemetry data within your firewall
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| Stage | Startup
| Startup
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| Founded | 2026
| Not given
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| Based in | CY
| Not given
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| Pricing model | Freemium
| Paid
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| Pricing | Standard: $0/month (free, no card required). Founding: $0/month (first 1,000 accounts, lifetime free). Pro: $9/month ($90/year). Team: $19/month ($190/year). Self-hosted: Free with AGPL license.
| Evaluation: Free for 30 days with full-function core and unlimited nodes during trial. Connected: $25 per node per month with 10-node minimum, billed on node-minutes. Air-gapped: Annual hand-carried license with no call-home. No per-GB, per-span or per-user fees.
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| Key features | - Nine check types: HTTP/HTTPS, TCP, DNS, ICMP ping, TLS certificate expiry, domain expiry, cron-job heartbeat, browser login flows, and manual status
- Multi-region monitoring from 6 global locations: San Jose, New York, São Paulo, Frankfurt, Helsinki, Singapore
- Multiple alert channels including Slack, Discord, Teams, Telegram, PagerDuty, email, SMS, and webhooks
- Public branded status pages with logo and color customization
- Automatic incident management with auto-open on failure and auto-close on recovery
- On-call schedules with daily, weekly or custom rotations and holiday overrides
- Escalation policies with ordered notification levels and automatic retry logic
- REST API and Terraform provider for infrastructure-as-code monitoring
- Monitor sharing with link-based access without login required
- Secret management with token variables and secure rotation across monitors
| - Distributed traces and APM with automatic instrumentation across HTTP, gRPC, DNS and databases
- Logs correlated to traces with severity faceting and live tail
- Metrics pipeline supporting Prometheus remote-write and Fluent Bit
- Kubernetes and infrastructure monitoring with node and workload health
- Dashboards, SLOs with error budgets and Datadog dashboard import
- Local alerting rules evaluated inside the core routed to Slack, PagerDuty, Teams or email
- Real user monitoring with Core Web Vitals, session replay and browser to backend trace stitching
- Multi-site support with remote clusters dialing home over outbound mTLS
- OpenTelemetry-native support for OTLP over gRPC and HTTP
- No code instrumentation required for application tracing
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| What makes it different | - Combines uptime monitoring, incident management and customer status pages in a single product
- Open source AGPL codebase with identical API on both hosted and self-hosted versions for zero lock-in
- Nine specialized check types covering HTTP, DNS, TCP, certificates, domain expiry, heartbeats and browser login flows
- Single statically-linked Rust binary with no runtime dependencies makes self-hosting simple and cost-effective
| - Zero telemetry egress and all data stays on customer infrastructure
- Predictable pricing based on node-minutes with no per-GB or per-span charges
- Automatic instrumentation with no code changes required
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +2 (up) since last check | 23 ▲ +5 (up) since last check |
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| Trust Flow (Majestic) | 19 | 0 |
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| Citation Flow (Majestic) | 38 | 20 |
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| Referring domains (Majestic) | 137 | 5 |
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Uptimepage
Ultraviolet Observability