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Alternatives

10 best Relling alternatives

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

Relling starts at
Not listed
Free plan
Free tier unknown
API
API unknown
  1. 01

    Dalus

    Dalus is an AI-native model-based systems engineering platform for hardware teams. It unifies requirements, architecture, analysis, and verification in a collaborative environment aimed at aerospace, defense, robotics, automotive, and energy programs.

    • From $99/mo
    • Free plan
    • API unknown

    Best for: Systems engineers and hardware program teams that need MBSE with AI assistance and shared models.

  2. 02

    ProjectNext

    ProjectNext is an AI-powered project management platform that generates documents, work breakdown structures, milestones, tasks, and resource plans aligned with PMBOK, PRINCE2, or Agile flows. It also advertises Jira export for IT deliverables such as user stories.

    • From $3.99/mo
    • Free trial
    • API unknown

    Best for: Project managers in construction, IT, and other industries who want AI-generated planning artifacts inside a structured PM framework.

  3. 03

    Unkey

    Unkey is a developer platform for modern APIs that unifies API key management, edge gateways, rate limits, and observability with Git-based deployments. The homepage promises minutes-to-production Docker deploys, preview environments, and a control plane for protecting and routing API traffic globally.

    • From $5/mo
    • Free to start
    • API available

    Best for: Teams shipping HTTP APIs who want hosted gateways, key auth, and deployment automation in one vendor stack.

  4. 04

    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.

    • From $770/mo
    • Free plan
    • API available

    Best for: Product and platform teams replacing Auth0-style stacks or self-hosting Ory components who need hosted Ory Network production environments.

  5. 05

    Knime

    KNIME provides a free open-source Analytics Platform for visual data science workflows spanning ETL, analytics, machine learning, and generative AI. Paid Hub plans add collaboration, automation, secrets management, and enterprise governance on top of the desktop builder.

    • From $19/mo
    • Free plan
    • API unknown

    Best for: Data teams and analysts who want drag-and-drop pipelines with optional paid automation and team governance in KNIME Hub.

  6. 06

    PropelAuth

    PropelAuth provides authentication and org management built for B2B and AI-native products. The platform covers hosted login UIs, SAML and enterprise SSO, RBAC, API keys, and MCP authentication so teams can ship secure multi-tenant apps faster.

    • From $150/mo
    • Free plan
    • API available

    Best for: B2B SaaS and AI-native companies that need multi-tenant auth, enterprise SSO, and org management without building it in-house.

  7. 07

    ApyHub AI APIs

    ApyHub hosts a catalog of certified AI APIs—including text generation, summarization, vision, and HR parsers—under one MCP-ready subscription. Developers call production APIs with unified billing and a free starter tier.

    • From $16/mo
    • Free plan
    • API available

    Best for: Product teams that want ready-made AI microservices instead of operating separate vendor contracts per feature.

  8. 08

    RepoFlow

    RepoFlow is a package management platform for hosting private and public artifacts in the cloud or on self-managed infrastructure. The site highlights storage and bandwidth limits, AI-assisted workflows, and team workspaces for DevOps package publishing.

    • From $79/mo
    • Free plan
    • API unknown

    Best for: Development teams that need managed artifact registries with predictable cloud quotas and optional self-hosted deployment.

  9. 09

    Pritunl

    Pritunl is an open-source enterprise VPN platform for OpenVPN, WireGuard, and IPsec with a web management UI, multi-host clustering over MongoDB, and optional premium features such as SSO and site-to-site links. It targets self-hosted remote access and VPC peering across clouds.

    • From $10/mo
    • Free plan
    • API available

    Best for: Infrastructure teams needing self-hosted VPN with horizontal scaling and enterprise authentication options.

  10. 10

    Manufact

    Manufact Cloud deploys, tests, and monitors MCP servers and apps for ChatGPT, Claude, Grok, and other clients. It includes cross-client testing, publishing checks, traffic inspection, analytics, and templates from the mcp-use ecosystem.

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

    Best for: Developers and product teams shipping MCP integrations who need hosted infrastructure, testing, and marketplace readiness.

Relling alternatives: common questions

What is the best free alternative to Relling?

Dalus has an ongoing free plan. Free plan includes one model, up to 250 elements, unlimited free viewer seats, and real-time collaboration after booking demo access. Free plans change, so check the vendor before relying on one.

What is the cheapest Relling alternative?

ProjectNext has the lowest listed starting price at $3.99/mo.

Which Relling alternatives have an API?

Unkey, Ory, PropelAuth, ApyHub AI APIs, Pritunl mention API or developer access.