# SmartDraw Alternatives for To-Scale Event Site Maps In 2026

> Need to-scale event site maps? OnePlan outperforms SmartDraw with purpose-built tools for outdoor and indoor events. Try OnePlan free today.

**Published:** 2026-10-12 | **Updated:** 2026-11-06 | **Author:** oneplansync
**URL:** https://www.oneplan.io/articles/best-smartdraw-alternatives-event-maps
**Type:** post

**Categories:** Event planning software

![SmartDraw Alternatives for To-Scale Event Site Maps In 2026](https://oneplan.sites.aigrowthagent.co/wp-content/uploads/sites/80/2026/10/1791724398074-6f226104d129-1024x572.webp)

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## Content

*Written by: Paul Foster, Founder, CEO, OnePlan*

## Key Takeaways

- SmartDraw and similar diagramming tools are unreliable for outdoor event site maps that require fire marshal sign-off because they do not offer automated map calibration, event-specific object libraries, or built-in crowd and traffic calculators.
- “To scale” means calibrating against a known distance, keeping object dimensions accurate when you move or resize them, and exporting files that vendors and authorities can measure from with confidence.
- Before committing to any tool, remember the three-check scale-verification test and use it as your standard for calibration, resizing, and export accuracy.
- Dedicated event layout tools outperform general diagramming and CAD platforms for event site planning by combining live geo-accurate maps, event-specific objects, calculators, and an auto-generated Bill of Quantities in an interface most planners can learn quickly.
- OnePlan delivers a practical middle ground with to-scale objects on live satellite maps, crowd and traffic calculators, and a Bill of Quantities that event teams rely on for permits and vendor coordination.

[Get started free with OnePlan or book a short demo to see it in action.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## What “To Scale” Actually Means For Event Site Maps

In event site mapping, “to scale” has three specific requirements.

1. **Calibration against a known distance on the map.** The aerial image or base map must be anchored to a real-world measurement, such as a 100 ft known distance on site, so every object placed on it inherits the correct spatial relationship to the ground.
2. **Scale retention when objects are moved or resized.** A 40 ft × 40 ft tent must stay 40 ft × 40 ft as you zoom, copy, or resize it. If the tool stretches the graphic without updating the underlying dimension, the plan stops being reliable.
3. **Dimensionally reliable export for permits and vendors.** The PDF or PNG that leaves your desk must allow a fire marshal or contractor to measure from it and obtain the intended real-world value. Even a small software or print-driver distortion across a long span can create a meaningful discrepancy on site, which can fail a structural clearance check or misplace a generator.

This matters in practice. Most SmartDraw alternatives are diagramming tools first and mapping tools second. SmartDraw’s own documentation confirms that imported satellite maps can be scaled manually, but it does not describe an automated geographic calibration process using GPS coordinates or surveyed control points. Manual scaling on large outdoor sites is exactly where scale drift creeps in.

![aerial shot of a coast filled with software-added event elements. On the left, there is an app menu (OnePlan)](https://cdn.aigrowthmarketer.co/1780508353774-e6397ee8616e.png)**Beach event planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom**

This problem is not theoretical. The Cheese & Chilli Festival, a [family event running four times a year with up to 9,000 attendees](https://www.oneplan.io/case-studies/cheese-and-chilli/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent), experienced it directly. As the festival team explains, [“With the software we were using before, the ability to scale wasn’t great. We couldn’t rely on it to be accurate and we would often get to site and have to make changes to layout due to plans not being to scale.”](https://www.oneplan.io/case-studies/cheese-and-chilli/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

[Try OnePlan on your next site map with your first event free.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## The Scale-Verification Test: Three Checks To Run On Any Tool

Now that you know what “to scale” requires, you can test any tool against those requirements. Before committing to any tool, including during a free trial, run these three checks.

1. **Calibration check.** Confirm that you can calibrate an aerial image or survey drawing to a known measurement. For example, click two endpoints of a 100 ft known distance on site and tell the tool that distance is 100 ft. If the tool only lets you set a generic scale ratio without anchoring it to a real point on the map, your plan is not truly calibrated. A PDF stores geometry in points, not in feet or meters, so until a sheet is calibrated against a known dimension, every measurement taken from it is meaningless.
2. **Resize check.** Place a 20 ft × 20 ft tent and resize it to 30 ft × 30 ft, for example. Confirm that it stays to scale and updates its displayed dimensions instead of simply stretching the graphic. The tool should report the new dimension, not the original one.
3. **Export check.** Export a PDF or PNG and confirm that dimensions remain accurate so a fire marshal or vendor can measure from it. Open the exported file, measure a labeled distance using a PDF measurement tool, and verify that it matches the intended real-world value.

Run these three checks on any tool during its free trial before you commit. A tool that fails any one of them is unsuitable for permit submissions or vendor handoffs.

[Run this three-check test in OnePlan with your first event free.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Best SmartDraw Alternatives For To-Scale Event Site Maps

The alternatives below fall into three categories: dedicated event layout tools, collaborative diagramming tools, and CAD software. The category you choose depends on whether you need event-specific features, general diagramming, or engineering-grade precision.

### Dedicated Event Layout Tools

1. **OnePlan** — Browser-based, drag-and-drop, to-scale objects on a live satellite or street map, built on leading GIS technology powered by Esri. Every object stays accurately to scale as you zoom. This includes tents, stages, crowd barriers, fencing, toilets, generators, and food trucks. Beyond mapping, OnePlan includes calculators for area, perimeter, standing crowd capacity, traffic, and parking, plus an auto-generated Bill of Quantities and real-time collaboration with role-based permissions. The Canadian Football League’s event planner put it directly: [“I can take real measurements in OnePlan. I’m confident when presenting to senior executives — when they say, can this go here? I can say, yes it can. It’ll fit.”](https://www.oneplan.io/case-studies/cfl/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent) The first event is free up to 25 objects with no payment details required, and paid plans start from around $75 per month per seat with annual savings of approximately 20%.

### Collaborative Diagramming Tools

1. **Lucidchart** — Web-based diagramming with strong real-time collaboration and shape libraries. A free plan is available, and the Individual plan starts from $9.00 per month. It is not purpose-built for event sites and lacks event-specific objects, map calibration, and crowd calculators.
2. **Creately** — Online visual workspace with data-linking and shape libraries. A free plan is available. It remains general-purpose diagramming software with no event-specific object library or Bill of Quantities.
3. **Microsoft Visio** — Enterprise diagramming and scaled drawing application. Visio Plan 1 costs $5.00 per user per month, and Plan 2 costs $15.00 per user per month, both billed annually. It is Windows-centric and offers no live map base or event-specific calculators.

### CAD And Engineering Software

1. **AutoCAD** — True architectural CAD for engineering-grade precision. Professional CAD software subscriptions run $1,500–$4,000 per year and require months of training to use effectively. It is powerful but overkill for most event teams without a technical drafting background.
2. **Vectorworks Spotlight** — CAD-grade entertainment design software for lighting, rigging, staging, and AV. Priced at $153 per month or $1,530 per year per user. The learning curve is measured in months, and sharing with a client means exporting rather than inviting.

[Compare these options in practice by trying OnePlan on a live map.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Dedicated Event Layout Tools Vs. Collaborative Diagramming Vs. CAD

The table below compares the three categories across criteria that matter for event site planning. The key takeaway is that dedicated event layout tools are the only category that combines a live geo-accurate map base with event-specific objects and a Bill of Quantities.

| Criterion | Dedicated Event Layout (e.g., OnePlan) | Collaborative Diagramming (e.g., Visio, Lucidchart) | CAD / Engineering (e.g., AutoCAD, Vectorworks) |
| --- | --- | --- | --- |
| To scale on a live map | Yes, geo-accurate satellite or street map base | No live map base, manual background import only | Yes, engineering-grade precision, no live map |
| Ease of learning | Drag-and-drop, usable in seconds | Moderate, general diagramming skills required | Months of training required |
| Event-specific objects and Bill of Quantities | Yes, thousands of event objects and auto-generated Bill of Quantities | No event-specific library and no Bill of Quantities | No event-specific library and no Bill of Quantities |
| Starting price (per user/month) | Free first event, paid from ~$75/mo (OnePlan) | From $5.00/mo (Visio Plan 1); from $9.00/mo (Lucidchart) | From $153/mo (Vectorworks Spotlight) |

OnePlan sits in the accurate-and-easy middle ground. It feels as accessible as non-specialist tools like PowerPoint, Excel, Canva, Photoshop, Google Maps, or static screenshots, while remaining as dimensionally reliable as engineering software at event scale. Mosaic, which plans the Ride to Conquer Cancer charity events, summarized the position directly: [“OnePlan makes planning easier, quicker, and more accurate. It definitely saves time and is less expensive than contracting a CAD designer.”](https://www.oneplan.io/case-studies/how-mosaic-plans-ride-to-conquer-cancer-charity-events-in-oneplan/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

![Festival planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom](https://cdn.aigrowthmarketer.co/1780620510054-c5429587ebad.png)**Festival planning example inside OnePlan: the base layer is a zoomable satellite or street map, and everything placed on it (tents, stages, crowd barriers, toilets, vehicles, staff, signage, routes) stays accurately to scale as you zoom**

[See how OnePlan compares in a 15 minute walkthrough.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Free Vs. Paid: How To Think About Cost

Beyond feature comparisons, cost often becomes the deciding factor. The central question many teams ask is whether a free alternative to SmartDraw can handle event floor plans.

Free diagramming tools such as draw.io, Creately’s free plan, and Lucidchart’s three-document free tier give you a canvas and shape libraries. They do not offer map calibration against a known distance, event-specific object libraries, or a crowd capacity calculator. These tools work for diagrams, while to-scale event site maps require more.

Free event layout tools typically cap the number of objects or events. OnePlan’s free tier covers your first event with up to 25 objects and no payment details required, which is enough to map a small site, test the calibration workflow, and run the three-check scale-verification test described earlier. As shown in the comparison table, paid plans then start from around $75 per month per seat, with annual billing saving approximately 20%.

[SmartDraw has no permanent free plan and offers only a trial period before paid access is required](https://itechguides.com/best/diagram-software/smartdraw), with its Individual plan starting at $7.95 per month billed annually. For event teams that need map calibration, event-specific objects, and a Bill of Quantities, that spend buys a general diagramming tool rather than a purpose-built event planning platform.

[Start on OnePlan’s free tier and upgrade only when your events demand it.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Outdoor Festival And Site-Map Workflows

Once you have chosen a tool, the real test is how it handles a live project. A practical outdoor workflow in OnePlan runs as follows.

**With OnePlan, you can place barriers, tents, and more inside its integrated, live planning tool**

1. **Calibrate the aerial map.** Open the satellite base layer, identify a known distance on site such as a road width, a building edge, or a surveyed boundary, and anchor the map to that measurement.
2. **Place infrastructure to scale.** Drag a 40 ft × 40 ft tent onto the map and keep it at 40 ft × 40 ft as you zoom. Add a main stage, then draw 1,300 ft of crowd barrier along the perimeter. OnePlan’s Bill of Quantities automatically counts the barrier segments you need to order.
3. **Outline crowd areas for standing capacity.** Draw a polygon around the audience area and use OnePlan’s crowd capacity calculator to return the standing capacity instantly. OnePlan’s crowd capacity calculator handles standing capacity only.
4. **Export the Bill of Quantities.** Export the auto-generated inventory to Excel or CSV so your fencing supplier and portable toilet contractor receive exact quantities without re-keying anything. Bearfoot Productions used this workflow to [accurately calculate and order over 1,000 panels of Heras fencing and 1,500 pedestrian barriers, totaling about 8 kilometers of fencing](https://www.oneplan.io/case-studies/how-bearfoot-productions-scaled-from-small-events-to-10000-capacity-festivals-using-oneplan/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent) for a new 10,000-capacity festival.

Requirements for temporary structures, crowd density, and emergency access vary significantly by region. Always follow local regulations and consult the relevant authorities, including fire, police, and licensing, for your specific jurisdiction. For arrival and exit flow estimates, OnePlan’s free calculators are available at [calculators.oneplan.io/arrival](https://calculators.oneplan.io/arrival?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent) and [calculators.oneplan.io/exit/calculator](https://calculators.oneplan.io/exit/calculator?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent).

[Test this outdoor workflow in OnePlan with your first event free.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Exporting For Permits, Vendors, And Safety Sign-Off

A site map delivers value when it moves cleanly from planner to vendor to authority. That handoff workflow is where many non-specialist tools and general diagramming platforms break down.

A dimensionally reliable export means a fire marshal or structural engineer can open the file, measure a labeled distance, and obtain the intended real-world value. Missing a permit or failing a fire inspection can shut down an outdoor event immediately and expose the organizer to full liability. Fire marshal approval is required for temporary structures, open flames, pyrotechnics, or occupancy above the venue’s standard load. Most jurisdictions also require a site plan as part of the permit submission package.

OnePlan exports high-resolution PNG files up to A0 print-ready size and includes a separate legend generator for professional presentation. The Bill of Quantities exports to Excel or CSV for procurement and contractor coordination. Plans can be shared via secure, password-protectable view-only links so authorities always see the latest version without anyone resending files.

[Eagle Mountain City, Utah, moved from Google Maps screenshots imported into Publisher to OnePlan and eliminated the need to create separate maps for fire, police, facilities, and other departments](https://www.oneplan.io/case-studies/how-eagle-mountain-city-saves-70-planning-time-and-achieves-5x-roi-organizing-community-events-using-oneplan/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent). As the team describes it, [“Gone are the days of creating separate layouts for fire, police, facilities, and other departments. Now I can create a single, all-encompassing layout.”](https://www.oneplan.io/case-studies/how-eagle-mountain-city-saves-70-planning-time-and-achieves-5x-roi-organizing-community-events-using-oneplan/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent) The result was a [70% time saving and an estimated 5x ROI](https://www.oneplan.io/case-studies/how-eagle-mountain-city-saves-70-planning-time-and-achieves-5x-roi-organizing-community-events-using-oneplan/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent).

Safety Advisory Groups are a UK-specific mechanism for multi-agency event safety coordination. US readers should check with their local fire and police authorities for the equivalent review process in their jurisdiction, because requirements vary by state and municipality.

[Create permit-ready exports in OnePlan and share them securely with stakeholders.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Frequently Asked Questions (FAQ)

### Is There A Free Alternative To SmartDraw For Event Floor Plans?

Free diagramming tools like draw.io and Lucidchart’s free tier give you a canvas but no map calibration, event-specific objects, or crowd calculators. OnePlan’s free tier gives you your first event free with up to 25 objects, which is enough to test a real site map, and no payment details are required. SmartDraw itself has no permanent free plan and only offers a trial period.

### How Do I Make A To-Scale Site Map For Free?

Sign up for OnePlan, open a satellite or street map base layer, calibrate it against a known distance on your site, and drag event objects onto the map. Your first event is free up to 25 objects, and no payment details are required to start. Use the three-check scale-verification test described earlier before you finalize the plan.

### What Is The Best Software For Outdoor Event Site Maps?

For outdoor event sites, the best software calibrates against a real map, retains scale when objects are resized, and exports dimensionally reliable files for permits and vendors. OnePlan is purpose-built for this workflow, with a live satellite or street map base, thousands of event-specific objects, crowd and traffic calculators, and an auto-generated Bill of Quantities. It has been used to [plan over 200,000 events in 150 countries, from community festivals to the Paris 2024 Olympic Games](https://oneplan.io/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent).

### Can AI Create To-Scale Event Maps?

Some tools, including EventDiagram, offer AI-assisted drafting that generates a layout from a text description. AI-generated layouts still require calibration against a real-world map and verification through the three-check scale test before use for permits or vendor handoffs. AI can accelerate the drafting step and the planner still owns calibration and export verification.

### Which Is Better, SmartDraw Or Visio For Event Plans?

Both SmartDraw and Visio are general-purpose diagramming tools rather than purpose-built event planning platforms. SmartDraw supports manual satellite map import and scaled drawing, and [Visio offers a large shape library and enterprise integrations](https://resources.rework.com/tools/design-creative/best-lucidchart-alternatives). Neither provides a live geo-accurate map base, event-specific object libraries, crowd capacity calculators, or an auto-generated Bill of Quantities. For event site maps that need to pass a fire marshal review, a dedicated event layout tool is a more appropriate choice.

### Does OnePlan Work For Indoor Venues As Well As Outdoor Sites?

Yes. OnePlan supports both outdoor sites and indoor spaces, including multi-level venues where you toggle between floors. The platform focuses on operational and spatial planning, such as where infrastructure, staff, and crowds go, rather than 3D interior or banquet-décor visualization. Existing floor plans can be imported as PNG files, scaled onto the map, and used as reusable base layers.

## Conclusion: Choosing A Tool You Can Trust On Site

SmartDraw and similar diagramming tools were designed for diagrams rather than for event sites that must hold scale. The three criteria that matter are calibration against a known distance, scale retention when objects are resized, and dimensionally reliable export, and most general-purpose tools fail at least one of them under the three-check test.

OnePlan provides an accurate-and-easy middle ground with to-scale objects on a live satellite or street map, plus the crowd and traffic calculators and the Bill of Quantities that event teams rely on. The Cheese & Chilli Festival said it plainly: [“Using OnePlan I create accurate, detailed and professional-looking event site plans without the need for a complex CAD package.”](https://www.oneplan.io/case-studies/cheese-and-chilli/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

[Plan your next event the easy way. Get started free at OnePlan, where your first event is on us, or book a 15 minute demo to see OnePlan in action.](https://www.oneplan.io/book-demo/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

## Read Next

- [Excel to To-Scale Site Map: Best Tools for Event Teams](https://oneplan.io/articles/best-excel-alternatives-site-maps/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)
- [Google My Maps Alternatives for Event Site Planning](https://oneplan.io/articles/best-google-my-maps-alternatives/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)
- [Best Event Floor Plan Software for Planners & Venues](https://oneplan.io/articles/best-event-floor-plan-software/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)
- [Best Google Earth Alternatives for Event Site Planning](https://oneplan.io/articles/best-google-earth-alternatives-events/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)
- [Canva Alternatives for Event Site Plans With Stakeholders](https://oneplan.io/articles/best-canva-alternatives-event-plans/?utm_term=best-smartdraw-alternatives-event-maps&utm_campaign=ai_growth_agent)

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    - **Name:** Is There A Free Alternative To SmartDraw For Event Floor Plans?
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      - **Text:** Free diagramming tools like draw.io and Lucidchart’s free tier give you a canvas but no map calibration, event-specific objects, or crowd calculators. OnePlan’s free tier gives you your first event free with up to 25 objects, which is enough to test a real site map, and no payment details are required. SmartDraw itself has no permanent free plan and only offers a trial period.
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    - **Name:** How Do I Make A To-Scale Site Map For Free?
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      - **Text:** Sign up for OnePlan, open a satellite or street map base layer, calibrate it against a known distance on your site, and drag event objects onto the map. Your first event is free up to 25 objects, and no payment details are required to start. Use the three-check scale-verification test described earlier before you finalize the plan.
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      - **Text:** For outdoor event sites, the best software calibrates against a real map, retains scale when objects are resized, and exports dimensionally reliable files for permits and vendors. OnePlan is purpose-built for this workflow, with a live satellite or street map base, thousands of event-specific objects, crowd and traffic calculators, and an auto-generated Bill of Quantities. It has been used to plan over 200,000 events in 150 countries, from community festivals to the Paris 2024 Olympic Games.
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    - **Name:** Can AI Create To-Scale Event Maps?
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      - **Text:** Some tools, including EventDiagram, offer AI-assisted drafting that generates a layout from a text description. AI-generated layouts still require calibration against a real-world map and verification through the three-check scale test before use for permits or vendor handoffs. AI can accelerate the drafting step and the planner still owns calibration and export verification.
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    - **Name:** Which Is Better, SmartDraw Or Visio For Event Plans?
      **Answer:**

      - **Text:** Both SmartDraw and Visio are general-purpose diagramming tools rather than purpose-built event planning platforms. SmartDraw supports manual satellite map import and scaled drawing, and Visio offers a large shape library and enterprise integrations. Neither provides a live geo-accurate map base, event-specific object libraries, crowd capacity calculators, or an auto-generated Bill of Quantities. For event site maps that need to pass a fire marshal review, a dedicated event layout tool is a more appropriate choice.
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    - **Name:** Does OnePlan Work For Indoor Venues As Well As Outdoor Sites?
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      - **Text:** Yes. OnePlan supports both outdoor sites and indoor spaces, including multi-level venues where you toggle between floors. The platform focuses on operational and spatial planning, such as where infrastructure, staff, and crowds go, rather than 3D interior or banquet-décor visualization. Existing floor plans can be imported as PNG files, scaled onto the map, and used as reusable base layers.

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    - **Description:** Paul Foster is the CEO and founder of OnePlan, a platform for event and venue planning, digital twins, and crowd management. With over 15 years of experience leading complex global projects across sport, music, culture, and major events, he helps organizers design safer, smarter, and more collaborative event operations.
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---

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> **OnePlan** — Event Planning Software - OnePlan - Get Started Free

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## Citations

- [Why Real-Time Event Site Planning Beats Excel](https://www.oneplan.io/articles/excel-alternatives-real-time-event-planning)
- [Map-Based Spreadsheet Alternatives for Event Site Planning](https://www.oneplan.io/articles/best-map-based-spreadsheet-alternatives)
- [Interactive Event Floor Plan Software: How to Choose](https://www.oneplan.io/articles/best-interactive-event-floor-plan)
- [How To Build A Bill Of Quantities For Event Planning](https://www.oneplan.io/articles/bill-of-quantities-event-planning)
- [Marathon Course Planning Software: The Race Director’s Guide](https://www.oneplan.io/articles/marathon-course-planning-software)

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