FREEDOM251

Freedom251 › Developer Tools

Free and open first

Best On-Call Management Software in 2026

Coordinating on-call coverage means comparing how alerts reach responders and how schedules adapt when plans change. Compared on alert channels, escalation steps, rotation types, schedule overrides and handoffs, these tools also show mobile app, free-plan and paid-from details. Check how Grafana Cloud Application Observability and Uptimely handle the coverage needs you have, then compare incident.io on the same criteria. The listed options can help you assess whether alert routing, shift changes and responder access fit your team's approach. Use the plan information alongside those operational features when deciding what to examine more closely.

  1. 1

    AlertOps

    Free plan AndroidAPIiPhone+1

    AlertOps combines alert routing and incident workflows with a free tier and paid plans. Check user limits and retention periods against your team's needs.

    7.7 Free plan · paid from $10/user/mo · 14-day trial Visit site
  2. 2

    Grafana Cloud Application Observability

    Free plan AndroidAPIExtension+5

    Grafana Cloud Application Observability brings several telemetry types and service-level views together for application investigation.

    7.5 Free plan · paid from $0.03 Visit site
  3. 3

    ilert

    Free plan AndroidAPIiPhone+1

    ilert brings response workflows, on-call coordination, and status communication into one platform. Teams considering the free plan should account for its hard monthly notification limit.

    7.5 Free plan · 14-day trial Visit site
  4. 4

    incident.io

    Free plan AndroidAPIiPhone+2

    incident.io combines on-call, response coordination, and status updates, with plan options from a free tier to custom-priced Enterprise.

    7.5 Free plan · paid from $15/user/mo (annual) Visit site
  5. 5

    GoAlert

    Free plan APISelf-hostedWeb

    GoAlert brings alert routing, on-call rotations, and escalation into a self-hosted package with several intake and notification options.

    7.4 Open source Visit site
  6. 6

    IncidentRelay

    Free plan APILinuxSelf-hosted+1

    IncidentRelay combines alert routing, on-call schedules, escalation workflows, and event automation in a self-hosted package.

    7.4 Open source Visit site
  7. 7

    MonoDuty

    Free plan AndroidAPIiPhone+1

    MonoDuty combines incident response, on-call scheduling, alerting, and monitoring, with a free plan and paid plans from €9/user/mo.

    7.4 Free plan · paid from €9/user/mo · 14-day trial Visit site
  8. 8

    FireHydrant

    Free plan APIWeb

    FireHydrant combines on-call, incident actions, automation, and retrospectives, with a free plan and a Pro trial.

    7.3 Free plan · paid from $25/mo (annual) · 14-day trial Visit site
  9. 9

    OneUptime

    Free plan APILinuxSelf-hosted+1

    OneUptime brings service monitoring and incident response together, with both hosted plans and self-hosted deployment options.

    7.3 Free plan · paid from $22/user/mo · 14-day trial Visit site
  10. 10

    OpsKnight

    Free plan AndroidAPIiPhone+2

    OpsKnight offers incident response and on-call workflows as a self-hosted Community edition.

    7.3 Free plan Visit site
  11. 11

    PagerDuty

    Free plan AndroidAPIiPhone+5

    PagerDuty brings incident response, on-call coordination, integrations, and workflow automation together.

    7.2 Free plan · paid from $21/user/mo (annual) · 14-day trial Visit site
  12. 12

    PagerTree

    Free plan AndroidAPIiPhone+2

    PagerTree brings on-call scheduling, escalation policies and alert handling together, with several notification channels and SAML-based single sign-on.

    7.2 Free plan · paid from $15/user/mo · 14-day trial Visit site
  13. 13

    TaskCall

    Free plan AndroidAPIiPhone+1

    TaskCall brings on-call scheduling, alert handling, and incident collaboration into one service, with a free plan and mobile apps.

    7.1 Free plan · paid from $9/user/mo · 14-day trial Visit site
  14. 14

    Uptimely

    Free plan AndroidAPIiPhone+3

    Uptimely combines monitoring, on-call workflows, alert channels, and hosted status pages.

    7.0 Free plan · paid from $29/mo · 14-day trial Visit site
  15. 15

    Grafana Alerting

    Free plan LinuxMacWeb+1
    6.9 Free plan · paid from $20/user Visit site
  16. 16

    xMatters

    Free plan AndroidAPIiPhone+3

    Choose xMatters if your DevOps, SRE, or operations team needs automated incident workflows, alert handling, and reporting across connected tools.

    6.9 Free plan · paid from $15/user/mo (annual) Visit site
  17. 17

    Runframe

    Free plan APIWeb

    Runframe combines scheduling, paging, incident response, and follow-up in one platform, with a free tier for up to five users.

    6.8 Free plan · paid from $12/user/mo (annual) Visit site
  18. 18

    Wachd

    Free plan APISelf-hostedWeb

    Wachd combines alert diagnosis, on-call scheduling, and notifications in a free, self-hosted package.

    6.8 Free plan Visit site
  19. 19

    All Quiet

    Free trial AndroidAPIiPhone+1

    All Quiet combines alert handling, escalation, mobile incident collaboration and reporting for engineering teams.

    6.6 From $4.99/user/mo · 14-day trial Visit site
  20. 20

    OnPage

    Free trial AndroidAPIiPhone+1

    OnPage focuses on routing urgent notifications and coordinating responders through messaging, scheduling, and escalation tools.

    6.2 From $13.99/user/mo (annual) · 7-day trial Visit site
  21. 21

    Pagerly

    Free trial AndroidiPhoneMac+1

    Pagerly combines rota management, paging, and incident workflows around Slack and Microsoft Teams, with status pages and a broad set of listed integrations.

    6.1 From $19/mo · 30-day trial Visit site
  22. 22

    Incido

    Free trial APIWeb

    Incido links incident response, on-call coordination, and status communication in one service. Its tiered limits and responder charges should be matched to team size and monitoring needs.

    6.0 From €19/mo · 14-day trial Visit site
  23. 23

    Rootly

    Free trial AndroidAPIiPhone+1

    Rootly brings incident response, on-call workflows, and AI incident assistance into one platform. The listed Essentials plans start at $20/user/mo, with a 14-day trial and no free plan.

    6.0 From $20/user/mo · 14-day trial Visit site
  24. 24

    Virbula Oncall

    Free trial AndroidAPIiPhone+2

    Virbula Oncall provides broad alert intake, escalation, notification and scheduling tools across cloud or self-hosted deployments. Its paid plans start at $699 a month, with a limited demo trial.

    5.9 From $699/mo · 30-day trial Visit site
  25. 25

    Zenduty

    Free trial AndroidAPIiPhone+1

    Zenduty combines on-call scheduling and incident response with integrations and mobile alerts. Compare team and call/SMS limits across plans before starting the trial.

    5.8 From $6/user/mo (annual) · 14-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

More in Developer Tools