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Workflow Engine

Freemium#35 of 36 in Workflow Orchestration Software

Workflow Engine: A self-hosted .NET workflow engine for stateful approvals, routing, and automation. Ranked #35 of 36 in Workflow Orchestration Software by our editors (6.0/10); pricing: Free plan · 30-day trial; best for self-hosted .NET workflow embedding.

6.0/10Editor score
Try Workflow Engine
Workflow Engine6.0 Try Workflow Engine

At a glance

  • Editor score
    6.0 / 10
  • Pricing
    Free plan · 30-day trial
  • Best for
    Self-hosted .NET workflow embedding
  • Free plan
    Yes
  • Human approvals
    Yes
  • Facts checked
    22 Sep 2026
Workflow Engine screenshot

  • Where it wins

    • Visual HTML5 designer with commands, timers, and automatic triggers
    • SQL and NoSQL persistence with versioning, branching, and runtime logs
    • HTTP and direct .NET APIs plus broad database and framework support

  • Where it doesn't

    • Commercial licensing requires a vendor meeting
    • Free Community Edition is limited to non-commercial and educational use
    • Self-hosted deployment places implementation and operations responsibility on the buyer

Our verdict on Workflow Engine

Workflow Engine is an embeddable .NET and .NET Core library for automating stateful business processes inside applications and self-hosted services. It is suited to development teams building document approvals, routing, task assignment, and other long-running workflows. The browser-based HTML5 designer supports process schemes, activities, transitions, commands, timers, actions, parallel branches, and workflow version control. Support for web, Windows, macOS, Linux, APIs, and self-hosted deployment gives teams several ways to incorporate it into an existing application estate.

Pricing follows a freemium model. The Free Community Edition is intended for non-commercial and educational use and includes the fundamental feature set. A 30-day free trial is also available. Commercial licensing is handled through a meeting with the vendor. Buyers should therefore assess the free edition against their use case early, then discuss commercial terms with Optimajet Limited if the workflow will support a commercial application or service.

The product’s strongest fit is controlled workflow execution inside a .NET environment. It can persist processes in SQL and NoSQL databases, import and export workflows as XML, record process logs, transition history, runtime events, and approval history, and expose both HTTP and direct .NET runtime APIs. Database options include SQL Server, Azure SQL, PostgreSQL, Oracle, MySQL, MongoDB, Azure Cosmos DB, and SQLite; framework integrations include React, Angular, and Blazor. Choose Workflow Engine when self-hosting, embedded .NET execution, approvals, and workflow control matter most. Look elsewhere if you need a broadly platform-neutral orchestration product or a fully managed deployment model.

Workflow Engine pricing

Plans Free plan · 30-day trialFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 22 Sep 2026.
See plans on workflowengine.io

All 1 Workflow Engine plans and prices →

Workflow Engine fact sheet

Free planYes
Paid fromNot verified
Visual workflow builderYes
Event triggersYes
Automatic retriesNot verified
Execution observabilityYes
Deployment modelSelf-hosted
Human approvalsYes
Free trial30 days · no card needed
DeploymentSelf-hosted
PlatformsWeb, Windows, macOS, Linux
SupportEmail, Phone, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations12 integrations: SQL Server, Azure SQL, PostgreSQL, Oracle, MySQL, MongoDB …
PricingFree plan · 30-day trial (source)
Websiteworkflowengine.io
Facts checked22 Sep 2026

Workflow Engine integrations

Workflow Engine lists 12 integrations on its own site.

  • SQL Server
  • Azure SQL
  • PostgreSQL
  • Oracle
  • MySQL
  • MongoDB
  • Azure Cosmos DB
  • SQLite
  • REST API
  • React
  • Angular
  • Blazor

Alternatives to Workflow Engine

See all Workflow Engine alternatives →

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Featured on iTechGuides

Featured on iTechGuides — Workflow Engine 6.0/10

Workflow Engine is listed in our Workflow Orchestration Software directory. Add the badge to your site — it links back to this page.

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Guides on workflow orchestration software

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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