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APIs · head to head

Parse Server vs Windmill

Parse Server logo

Parse Server

APIs

Open-source Backend as a Service platform with REST and GraphQL APIs

From
Free
Rated
-
Full reviewWebsite
Windmill logo

Windmill

Automation Integration

Open-source developer platform for building scripts, workflows, and internal apps

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Parse Server deployment complexity and scaling challenges require operational expertise; Windmill free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • They diverge on capability: Parse Server covers REST API, Windmill covers Script-to-workflow engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Parse Server and Windmill actually diverge.

Attributes where Parse Server and Windmill differ
AttributeParse ServerWindmill
PlatformsNode.js, Express, REST API, GraphQL APIweb, api, linux, windows, mac
CategoryAPIsAutomation Integration
Founded2011Unknown

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Parse Server

  • REST API
  • GraphQL API
  • Authentication
  • Node.js
  • Cloud functions
  • File storage
  • Webhooks
  • Node.js support

Only in Windmill

  • Script-to-workflow engine
  • Auto-generated UIs
  • Self-hosted deployment
  • Git sync
  • SSO support
  • Audit logs

What people use each for

The jobs each tool is most often brought in to do.

Parse Server

  • API Developmentnot Windmill
  • API Gatewaynot Windmill
  • API Testingnot Windmill
  • API Documentationnot Windmill
  • Microservicesnot Windmill

Windmill

  • Turning ad-hoc scripts into scheduled jobs and APIsnot Parse Server
  • Building internal tools from existing Python/TypeScript codenot Parse Server
  • Self-hosted automation for engineering teamsnot Parse Server
  • Orchestrating multi-language workflowsnot Parse Server

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Parse Server

  • Deployment complexity and scaling challenges require operational expertise
  • Requires database management skills for MongoDB or PostgreSQL administration
  • Smaller community and ecosystem compared to Firebase or cloud alternatives
  • Query depth bypass vulnerability allowing denial-of-service attacks via complex REST/GraphQL queries
  • Stored XSS vulnerability through SVG file uploads requires patching

Windmill

  • Free self-hosted tier caps SSO users at 10 and workspaces at 3, requiring Enterprise for larger teams.
  • Compute unit and seat-based pricing (developer vs. operator seats, worker compute units) adds pricing complexity beyond a flat monthly fee.
  • Email triggers are capped at 100/day on the free tier, limiting event-driven use cases without upgrading.
  • Smaller ecosystem of pre-built integrations compared to more established automation tools like n8n.

Pricing, plan by plan

Parse Server

Free
  • Open SourceFree
    • Self-hosted Parse Server
    • Community support

Windmill

Free
  • Free / Open-sourceFree
    • Unlimited executions
    • Self-hosted deployment
    • Max 10 users with SSO
  • Enterprise$120/month
    • Unlimited executions and workspaces
    • Uncapped SSO seats
    • 24/7 priority support (3-hour response)

Which should you pick?

Choose Parse Server if

  • You need rest api.
  • You want to start without paying.
  • You work on Node.js, Express, REST API, GraphQL API.
  • You also want graphql api.
Parse Server review

Choose Windmill if

  • You need script-to-workflow engine.
  • You want to start without paying.
  • You work on web, api, linux, windows, mac.
  • You also want auto-generated uis.
Windmill review

Questions people ask

Is Parse Server or Windmill better?
Neither clearly leads. Parse Server starts at Free and Windmill at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Parse Server or Windmill?
Parse Server starts at Free and Windmill at Free.
Does Parse Server or Windmill run on more platforms?
Parse Server runs on Node.js, Express, REST API, GraphQL API. Windmill runs on web, api, linux, windows, mac.
Can I use Parse Server for free?
Both have a free tier, so you can try either at no cost before committing.
What is Parse Server best used for?
Parse Server is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Windmill is typically brought in for.
What can Parse Server do that Windmill cannot?
Parse Server covers REST API, GraphQL API, Authentication, Node.js. Windmill covers Script-to-workflow engine, Auto-generated UIs, Self-hosted deployment, Git sync.

Answered from the vendors’ own pages

Parse Server: Is Parse Server self-hosted or cloud-managed?

Parse Server is entirely self-hosted and open-source, running on your own infrastructure with no monthly subscription required; you manage the MongoDB or PostgreSQL database and deployment.

Windmill: What does Windmill cost?

Windmill's Free and Open-source edition is $0/month for self-hosted use with unlimited executions, while Enterprise starts at $120/month with unlimited workspaces and uncapped SSO seats, priced further by developer/operator seats and compute units.

Source
Parse Server: What databases does Parse Server support?

Parse Server works with MongoDB and PostgreSQL as data stores, giving you flexibility to choose your preferred database system for your application.

Windmill: Is there a free plan and what are its limits?

The free self-hosted plan supports unlimited executions but caps SSO at 10 users, workspaces at 3, groups/permissions at 4, and email triggers at 100 per day.

Source
Parse Server: What APIs does Parse Server provide?

Parse Server automatically generates both REST and GraphQL APIs based on your application schema, and you can extend these with custom queries, mutations, and remote schemas.

Source
Windmill: How is usage metered on Windmill Enterprise?

Enterprise usage is metered through seats (developer seats at $20/month, operator seats at $10/month) and compute units, e.g. $100/month for 2 standard-worker compute units.

Source
Parse Server: What SDKs are available for Parse Server?

Parse provides native SDKs for iOS (Swift/Objective-C), Android, JavaScript/Node.js, PHP, and .NET, plus REST and GraphQL access for any other platform.

Source
Windmill: What happens to a self-hosted Windmill deployment if the company shuts down?

The pricing page addresses this directly as an FAQ topic, noting that self-hosted applications built on the open-source edition can continue running independently of Windmill the company.

Source
Parse Server: Does Parse Server include user authentication?

Yes. Parse Server includes out-of-the-box user management with support for email/password authentication, OAuth providers (Facebook, Twitter, Google, GitHub, LDAP), push notifications, and campaigns.

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