Alternatives
10 best Nagios alternatives
Tools that cover the same task as Nagios (monitoring), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Nagios starts at
- Not listed
- Free plan
- Free plan
- API
- API unknown
- 01
Ory
Ory provides identity, authentication, authorization, and OAuth2/OIDC services through Ory Network and related open-source projects such as Kratos, Hydra, and Keto. The commercial site targets CIAM, B2B IAM, fine-grained permissions, passkeys, and enterprise SSO for applications that need scalable, API-first identity infrastructure.
Best for: Product and platform teams replacing Auth0-style stacks or self-hosting Ory components who need hosted Ory Network production environments.
- 02
Checkly
Checkly is a monitoring platform for developers and agents combining synthetic browser and API checks, uptime monitoring, heartbeats, status pages, alerting, and AI-assisted root-cause analysis with monitoring-as-code via CLI, Terraform, and Playwright suites.
Best for: Engineering teams treating production reliability as code who need synthetic checks deployed alongside application repos.
- 03
Ampt
The site emphasizes rapid full-stack workflows, built-in CI/CD, preview environments, and pay-as-you-go tiers for solo developers through enterprise self-hosting.
Best for: JavaScript developers and teams who want managed AWS deployments without hand-rolling infrastructure and CI/CD pipelines.
- 04
8base.com
8base is an AI-first low-code platform for turning ideas into production web applications. It combines backend-as-a-service with GraphQL APIs, serverless functions, and an app builder so teams can design, build, and run full-stack projects on AWS infrastructure.
Best for: Product teams and agencies that want a hosted low-code backend with professional CI/CD on higher tiers.
- 05
Aiven
Aiven is a managed open-source data platform spanning PostgreSQL, Kafka, OpenSearch, ClickHouse, Grafana, and related services. It targets teams that want cloud-hosted databases and streaming infrastructure with transparent plan-based pricing across major hyperscalers.
Best for: Platform engineers who need managed OSS data services without operating their own Kubernetes database operators.
- 06
Zeabur
Zeabur is a deployment platform that acts as an AI DevOps assistant for shipping applications from code to running infrastructure. It provides dashboards, CI build specs, logging, backups, domain tooling, and Zeabur Agent capabilities for teams that want managed hosting without manual DevOps setup.
Best for: Developers and small teams deploying web services who want AI-assisted infrastructure management on Zeabur or connected servers.
- 07
PlayCanvas
PlayCanvas is an open-source WebGL and WebGPU engine and collaborative editor for games, 3D configurators, AR/VR experiences, and playable ads. Teams can work in the browser editor, use the npm engine package, or build with React and Web Components while hosting apps on PlayCanvas or self-hosting.
Best for: Studios and agencies shipping interactive 3D web content who want a browser-based editor with optional private project hosting.
- 08
Modelence
Modelence is an AI app builder that generates production-ready full-stack applications with authentication, MongoDB databases, monitoring, and deployment included. Builders prototype for free, then upgrade to hosted Starter or Pro plans with bundled App Builder credits and optional pay-as-you-go cloud containers.
Best for: Founders and developers who want prompt-generated full-stack apps with managed hosting on Modelence Cloud.
- 09
Medplum
Medplum is an open-source healthcare developer platform for building and running modern clinical apps on FHIR-native infrastructure. It offers hosted cloud tiers and self-hosted options with bots, integrations, authentication, and compliance features aimed at digital health teams shipping production patient-facing software.
Best for: Healthcare engineering teams building FHIR-based apps who need an open-core platform with hosted or self-managed deployment paths.
- 10
App Quality Copilot
Maestro is an open-source end-to-end UI testing stack for mobile and web, with free local CLI and Studio tools plus Maestro Cloud to run parallel tests on hosted devices.
Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.
Nagios alternatives: common questions
What is the best free alternative to Nagios?
Ory has an ongoing free plan. Pricing lists a Developer plan marked Free for getting started on Ory Network before production tiers. Free plans change, so check the vendor before relying on one.
What is the cheapest Nagios alternative?
Aiven has the lowest listed starting price at $5/mo.
Which Nagios alternatives have an API?
Ory, Checkly, 8base.com, Aiven, Zeabur mention API or developer access.