Comparison

OutSystems vs Windmill

No clear leader: OutSystems (57.7) and Windmill (52.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

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OutSystems58
Windmill53
Score
vioscaleAI score
OutSystems58 / 100medium · 72%
Windmill53 / 100low · 40%
Pricing
Free tier
OutSystems✓
Windmill✓
Model
OutSystemsfreemium
Windmillcommercial
Price level
OutSystemslow
Windmillunknown
Transparent
OutSystems✗
Windmill✓
Integrations
Count
OutSystems7
Windmill13
Security
Fedramp
OutSystems✓
Windmill–
Gdpr
OutSystems✓
Windmill–
Hipaa
OutSystems✓
Windmill–
Iso27001
OutSystems✓
Windmill–
Pci
OutSystems✓
Windmill–
Soc2
OutSystems✓
Windmill✓
Reliability
Sla pct
OutSystems99.5
Windmill–
Content
Faq
OutSystems6 items
Windmill6 items

Capabilities

Feature-by-feature on the axes that matter for low code platforms. “-” means undocumented, not absent.

Capabilities
Mobile app generation
OutSystems-
Windmill-
Pro code escape hatch
OutSystems✓
Windmill✓
Workflow process automation
OutSystems✓
Windmill✓
Bpmn support
OutSystems-
Windmill-
AI assisted generation
OutSystems✓
Windmill✓
Alm devops
OutSystems✓
Windmill✓
Plugin marketplace
OutSystems✓
Windmill-
Open source
OutSystems-
Windmill✓

What each one is

The product in its own terms, so the numbers below have context.

OutSystems

A visual development platform that combines low-code development with AI capabilities to help teams rapidly build intelligent applications, automate complex business processes, and deploy enterprise solutions with built-in security and governance.

Independently observed

Windmill

Windmill is a development platform that helps teams build, deploy, and automate internal applications and workflows using mainstream programming languages. It provides enterprise-grade governance, security, and observability features and can be deployed to the cloud or self-hosted.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

OutSystems

SubscriptionFree tier

Flexible subscription model based on application complexity, user count, and required features. Free tier and Personal Edition available. Custom quotes required for full pricing.

  • OutSystems Developer Cloud (ODC)Contact sales
    • AI-powered app and agent delivery
    • Full-stack development capabilities
    • Built-in DevSecOps
    • Automated code review and quality assurance
    • Professional support (8x5 or 24x7 upgrade)
    • +2 more
  • OutSystems Personal EditionFree
as of verify ↗

Windmill

Hybrid

Compute-based pricing with per-seat options

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
OutSystems✓
Windmill✓
Linux
OutSystems✗
Windmill✓
Deployment
Cloud / SaaS
OutSystems✓
Windmill✓
Self-hosted
OutSystems✗
Windmill✓
On-premise
OutSystems✗
Windmill✓
Air-gapped
OutSystems✗
Windmill✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

OutSystems

10 total
  • ServiceNow
  • SAP
  • Salesforce
  • Oracle
  • NetSuite
  • Microsoft Dynamics
  • Azure AD
  • Okta
  • SAML-based identity providers
  • Oracle ERP
Independently observed

Windmill

20 total
  • Slack
  • Discord
  • Svix
  • OpenAI
  • Supabase
  • PostgreSQL
  • Kubernetes
  • Docker
  • Teams
  • Stripe
  • GitHub
  • GitLab
  • GCP Pub/Sub
  • Azure AI Foundry
  • Anthropic Claude
  • Google AI Gemini
  • AWS Bedrock
  • OpenRouter
  • DeepSeek
  • Mistral
Independently observed
Still deciding?

OutSystems or Windmill: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.