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Alternatives

10 best openHAB alternatives

Tools that cover the same task as openHAB (iot), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

openHAB starts at
Not listed
Free plan
Free plan
API
API unknown
  1. 01

    Thingsboard

    ThingsBoard is an open-source IoT platform for device management, telemetry ingestion, dashboards, rule chains, and alarms across cloud or on-premises deployments. It offers ThingsBoard Cloud subscriptions, private cloud clusters, and downloadable Professional Edition licences for edge-to-cloud IoT products.

    • From $49/mo
    • Free plan
    • API available

    Best for: IoT product teams needing scalable telemetry pipelines, visualization, and multi-tenant device management.

  2. 02

    Blynk

    Blynk is a low-code IoT platform for building mobile apps, web dashboards, and device fleets. Companies connect hardware over MQTT, HTTP, and webhooks while managing provisioning, automations, and multi-tenant organizations in managed cloud.

    • From $29/mo
    • Free plan
    • API available

    Best for: Product teams shipping connected devices who need branded apps and cloud device management without custom backend work.

  3. 03

    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.

    • From $5/mo
    • Free plan
    • API available

    Best for: Platform engineers who need managed OSS data services without operating their own Kubernetes database operators.

  4. 04

    Novu

    Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.

    • From $30/mo
    • Free plan
    • API available

    Best for: Product and platform teams that need multi-channel notification workflows with inbox components and usage-based scaling.

  5. 05

    Langfuse

    Langfuse is an open-source LLM engineering platform for tracing, evaluating, and improving AI agents with collaborative debugging and metrics. Langfuse Cloud offers hosted Hobby, Core, and Pro tiers metered in observability units.

    • From $29/mo
    • Free plan
    • API available

    Best for: AI engineers who need open-source-friendly observability and eval workflows without building tooling in-house.

  6. 06

    Authgear

    Authgear is an open-source customer and workforce identity platform from Skymakers. It delivers passkeys, passwordless OTP, SAML SSO, adaptive MFA, RBAC, and user management on Authgear Cloud, customer VPC, or self-hosted deployments with data sovereignty options.

    • From $50/mo
    • Free plan
    • API available

    Best for: Teams replacing legacy CIAM vendors who need every login method on every tier and portable user exports.

  7. 07

    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.

    • From $250/mo
    • Free plan
    • API available

    Best for: Mobile and web teams who want YAML-readable UI tests and optional cloud parallel runs.

  8. 08

    Executor

    Executor is an open-source gateway that connects AI agents to the SaaS tools a team already uses, with cloud hosting and optional self-hosted enterprise deployment. It emphasizes safe tool execution, verified domains, and a single integration surface for agent workflows.

    • From $15/mo
    • Free plan
    • API available

    Best for: Engineering teams wiring multiple AI agents into CRMs, dev tools, and internal SaaS without rebuilding each integration per agent.

  9. 09

    n8n

    n8n is a workflow automation platform combining visual builders with code-friendly nodes, AI agents, and MCP integrations. Cloud and self-hosted plans meter monthly workflow executions rather than charging per step.

    • From $24/mo
    • Free trial
    • API included

    Best for: Technical teams automating integrations and AI agents who need self-host or EU-hosted cloud options.

  10. 10

    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.

    • From $2,000/mo
    • Free plan
    • API available

    Best for: Healthcare engineering teams building FHIR-based apps who need an open-core platform with hosted or self-managed deployment paths.

openHAB alternatives: common questions

What is the best free alternative to openHAB?

Thingsboard has an ongoing free plan. ThingsBoard Cloud Free tier includes $0/month access with starter device, asset, and data-point quotas plus community support. Free plans change, so check the vendor before relying on one.

What is the cheapest openHAB alternative?

Aiven has the lowest listed starting price at $5/mo.

Which openHAB alternatives have an API?

Thingsboard, Blynk, Aiven, Novu, Langfuse mention API or developer access.