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Best Prometheus Alternatives in 2026

These are the 5 closest tools to Prometheus that we track, ordered by what they cost to start. Each entry says how its pricing differs from Prometheus's — based on the numbers we hold, not on who pays us. We do not publish a quality score, because we do not have one we can stand behind. The cheapest verified option is Caddy at Free.

Why people leave Prometheus

  • Long-term storage needs an extra component
  • PromQL takes time to learn
  • Not built for logs or traces

These are the drawbacks listed in our own Prometheus review — not complaints we invented for this page.

  1. 1
    Caddy

    Web server with automatic HTTPS.

    vs Prometheus: the same starting price (Free).

  2. 2
    Drizzle ORM

    Lightweight TypeScript ORM.

    vs Prometheus: the same starting price (Free).

  3. 3
    iTerm2

    Terminal replacement for macOS.

    vs Prometheus: the same starting price (Free).

  4. 4
    Jenkins

    Open-source automation server for build pipelines.

    vs Prometheus: the same starting price (Free).

  5. 5
    Keycloak

    Open-source identity and access management.

    vs Prometheus: the same starting price (Free).