Complete open-source monitoring and observability platform.
On-call policies with escalation rules and incidents, fed by its own monitors or by incoming webhooks.
- Language
- TypeScript
- Licence
- Other
- Stars
- 7.7k
- Latest
- 14.0.14
- Last push
- 2026-10-06
alternatives to
PagerDuty
Hosted incident response service that collects alerts from monitoring tools, pages on-call responders through escalation policies and tracks incidents. A closed product from PagerDuty.
Side by side
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| OneUptime | Full replacement | 7.7k | Other | Open core | Yes | TypeScript | 14.0.14 | 2026-10-06 |
| GoAlert | Full replacement | 2.8k | Apache-2.0 | Open source | Yes | Go | v0.35.0 | 2026-10-03 |
| Keep | Partial | 12k | Other | Open core | Yes | Python | v0.54.3 | 2026-09-28 |
| Alertmanager | Partial | 8.6k | Apache-2.0 | Open source | Yes | Go | v0.34.1 | 2026-10-06 |
| Alerta | Partial | 2.5k | Apache-2.0 | Open source | Yes | Python | v9.1.0 | 2026-06-19 |
Every alternative
5 alternatives
Open source on-call scheduling, automated escalations, and notifications so you never miss a critical alert
On-call schedules, escalation policies and notifications by SMS, voice, email and Slack, on a server you run.
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 2.8k
- Latest
- v0.35.0
- Last push
- 2026-10-03
The open-source AIOps and alert management platform
Collects, deduplicates and correlates alerts into incidents and runs workflows on them, but has no on-call schedules or escalation policies of its own.
Prometheus Alertmanager
Groups, deduplicates, silences and routes alerts to receivers, without on-call schedules or escalation.
- Language
- Go
- Licence
- Apache-2.0
- Stars
- 8.6k
- Latest
- v0.34.1
- Last push
- 2026-10-06
Alerta monitoring system
Collects, deduplicates and correlates alerts from monitoring tools in one console, without on-call schedules or escalation policies.
- Language
- Python
- Licence
- Apache-2.0
- Stars
- 2.5k
- Latest
- v9.1.0
- Last push
- 2026-06-19
Head to head
About PagerDuty
- Vendor
- PagerDuty