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Logic model software for program and evaluation teams

Make your program logic clear and ready to share

Build a credible path from resources and activities to outcomes. Review assumptions, collaborate with your team, and prepare a model that funders and stakeholders can follow.

Create a free model Explore a sample

Start with a blank model or a built-in methodology. No payment card is required for Free. Model owners need Pro to invite collaborators or publish public links.

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Live sample

Traditional layout

Organized by familiar logic model stages.

One program, three ways to examine the pathway from resources to outcomes.

Three common workflows

Move from program details to a model people can use

Keep the planning conversation focused on program logic, not diagram mechanics.

Prepare a grant or funding proposal

Turn program details into a clear one-page model that shows how planned work is expected to lead to results.

Align staff and partners

Review the pathway together, clarify assumptions, and resolve gaps before they become implementation problems.

Plan an evaluation

Separate outputs from outcomes and use the model to identify indicators, evaluation questions, and evidence needs.

How it works

Build the logic before polishing the presentation

  1. 1

    Start with the program context

    Choose a methodology or blank model, then capture the situation, resources, audience, activities, and intended results.

  2. 2

    Build the pathway

    Connect activities to outputs and outcomes, name assumptions, and use relationship types that match the strength of the claim.

  3. 3

    Review, export, and share

    Check the logic with colleagues, prepare an export, invite collaborators, or publish a read-only public version.

Product assurances

Clear controls for the work you need to share

You own your models

You retain ownership of the program content you create. dylomo receives only the limited permission needed to operate the service.

Read the content terms

Control access

With Pro, invite editors and viewers or publish a read-only public link. Recipients can use Free accounts. You can revoke access at any time.

Review sharing options

Export for real work

Download a high-resolution PNG, or take model data into CSV, HTML, and plain-text files.

AI stays optional

AI-assisted tools run only when you choose them. You review the result and decide what belongs in your model.

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Built-in starting points

Use the methodology that fits the conversation

Start with a familiar structure, then adapt the language and relationships to your program.

Program Logic

Organize resources, activities, outputs, outcomes, and impact in a practical flow.

Theory of Change

Make causal pathways, assumptions, and the conditions for long-term change explicit.

Results Framework

Structure objectives, expected results, outputs, and the relationships between them.

Impact Chain

Trace how resources and activities contribute to outputs, outcomes, and longer-term change.

Start with Free

Put the core planning work first

Create, refine, and export your logic models with Free. Pro adds sharing, unlimited projects, AI-assisted drafts and reviews, watermark-free image exports, and undo for your saved component edits.

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Free includes

$0

  • Up to 3 logic model projects
  • Built-in methodologies and starter templates
  • Image and data exports

Common questions

Know what to expect before you create a model

Read all frequently asked questions

Make the next program conversation clearer

Build a shared view of what the program will do, what it should produce, and what changes you expect to see.

Create a free model