OneUptime is an open-source observability platform replacing Datadog and PagerDuty by unifying uptime, APM traces, on-call alerts, and status pages.
Commercial monitoring suites like Datadog and PagerDuty unbundle telemetry and incident response across separate services with escalating per-seat and per-gigabyte invoices. OneUptime integrates uptime checks, OpenTelemetry trace ingestion, on-call schedules, and public status pages into a single self-hosted control plane. Operational data never leaves internal networks, eliminating vendor egress fees and third-party data residency risks.
Datadog operates as a managed SaaS platform with pre-built integrations, automatic agent updates, and turnkey scaling for high-throughput traces. OneUptime replaces the core of that stack by ingesting telemetry over native OpenTelemetry protocols and storing time-series data in ClickHouse, transactional records in PostgreSQL, and queues in Valkey or Redis. Instead of paying additional subscription fees to route alerts into PagerDuty or manage status communication through Atlassian Statuspage, engineers handle synthetic probes, distributed traces, on-call rotations, and customer incident updates from one interface.
The trade-off is operational ownership. Datadog shields teams from database sizing, storage partitioning, and pipeline crashes. Deploying OneUptime shifts infrastructure reliability entirely to internal DevOps: production deployments require at least 16 GB of memory, eight CPU cores, and fast storage for ClickHouse log aggregation. If the host running OneUptime crashes during a network partition, alerting fails silently unless monitored by an external probe. Teams choose OneUptime when maintaining an internal telemetry cluster is preferable to paying uncapped cloud bills and exporting internal metrics to external endpoints.
Is OneUptime free for commercial use? Yes. OneUptime is distributed under the Apache-2.0 license, allowing organizations to self-host and run it commercially without feature paywalls.
OneUptime vs Datadog — which should an operations team choose? Choose Datadog for a managed SaaS platform with hundreds of proprietary integrations; choose OneUptime for complete data ownership, local VPC observability, and bundled on-call management without usage-based billing.
Can OneUptime run in Kubernetes? Yes. The project maintains an official Helm chart for production clusters alongside Docker Compose configurations for single-server setups.
OneUptime is a practical choice for engineering departments prepared to operate their own telemetry infrastructure to eliminate tool fragmentation and unpredictable SaaS invoices. Its permissive Apache-2.0 license ensures freedom from vendor lock-in across internal deployments, while active maintenance and frequent updates throughout 2026 keep the platform current. Teams lacking dedicated operations capacity to manage ClickHouse and PostgreSQL clusters, however, will find managed commercial alternatives easier to sustain.
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