The Top 10 Free and Open Source Construction Management Software

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Update: 1/26/2017: This piece has been updated to reflect emerging free construction software made available over the past year. Now, there are ten options instead of eight.

Managing a construction project is a huge endeavor. When broken out into its parts—project management, bid management, reporting, etc—the entire process can seem overwhelming.

While construction management software offers a holistic solution to all of these problems, it can be expensive (for example, from our own estimations, construction bidding software costs an average of $1,468 and a median of $750).

While I can’t recommend choosing seven different software options to solve seven different problems, these free and open source construction management software quick-fixes can patch up your manual construction processes—without you having to spend a dime. They are listed below in alphabetical order.

2-Plan Project Management Software


As I mentioned in “The Top 6 Free and Open Source Project Management Software for Your Small Business,” 2-Plan is a phenomenal free and open-source project management solution. Their 2-Plan Desktop version is particularly good for construction because it is robust enough to handle complicated projects with tightly-aligned deadlines.

2-Plan Desktop syncs with iOS, offers work breakdown and project breakdown structures, forecasting options, and top-down and bottom-up planning, along with free extensions (risk management is likely most interesting to construction professionals).

Unfortunately, like the other options listed above, 2-plan is tough to learn—they offer no support except for an extensive, difficult-to-navigate manual.

Have you used 2-Plan before? Leave a review!

Efficient Calendar Free


For construction companies looking for a lightweight scheduling software application that runs on Windows, Android, and iOS, definitely check out Efficient Calendar Free.

The calendar application is essentially a system that combines calendar functionality, task tracking, and project management in one spot. It’s all locally hosted, which is great for construction companies worried about cloud security issues.

The local hosting can be a problem though; Efficient Calendar does not import .ics files. For people hoping to import their iCalendar, look elsewhere!



If you’re a large construction firm with a civil or EPC client base, consider downloading Estimate before shelling out the big bucks for construction estimating software.

Estimate is another free and open source construction software solution for estimating. It’s largely an analytical tool; use it to estimate how long your project will take, do cost analysis, and tender evaluation. Take these features to the next level with industry-specific calculators for electrical, tile, concrete, maintenance, and more, all included in the software.

Estimate complete free package even offers the tools to audit your own business, manage your documents, and control your material resources.

Estimator Application


Want to spend no dollars and zero cents on a cost estimating software? Enter Estimator Application.

It’s not a particularly pretty piece of software—it’s really mostly a spreadsheet with pre-filled out equations largely used by contractors—but it’s a handy tool particularly for construction companies looking to estimate larger projects and use that data to produce proposals. The application syncs with Excel and runs on Java so it can be used from anywhere.

The only drawback of Estimator Application is that it is difficult to learn how to use. There is no support, and the tutorial is somewhat clunky to get through.



GenieBelt is a fully functional construction management system that costs users absolutely nothing. That’s right: unlimited users and unlimited tasks. Users can opt to pay for more file storage (the free version comes with a hard cap on 50 files and only a one month audit trail), but the software is robust enough to handle most small construction business’ needs.

GenieBelt provides a bird’s eye view of all your projects, visual displays for project progress, document management, tasks, space for drawings, and in-app communication features.

More importantly, GenieBelt’s Android and iPhone apps are just as functional as the main app. Users get notifications on site, can report in, and update tasks while out on the field.

For users who want to upgrade to have more files, storage, and a full audit trail, pricing starts at £20 (about $30) per project per month.

Open Workbench


Open Workbench has gone through many iterations; you may have known it as “Project Manager Workbench (PMW) or Project Workbench (PW). Either way, it’s been available to the public as a piece of open source software since 2000. It’s most direct competitor? Microsoft Project. (If you’re interested in other competitors, check out our list of the best Microsoft Project alternatives.)

Open Workbench is a project management tool that focuses on effort more than scheduling requirements, so this may be a new project management approach for construction managers. With that said, Open Workbench is almost feature-to-feature the same when compared to Microsoft Project; it’s an incredibly robust free alternative.

Unfortunately, CA Technologies has largely abandoned Open Workbench (going as far as shutting down its original promotional site). This means that CA Technologies is not actively updating the file. However, Open Workbench still gets 50 to 150 downloads per day and still has an active help forum.




OrangeScrum is a free, open-source project management tool with a robust community that is always adding new features and add-ons for the software.

OrangeScrum is a project management tool and not specifically a construction management tool, but unlike many project management tools it is geared toward the construction industry, among others. The tool is best for small- and medium-sized businesses.

The software simplifies project management and allows users to create and manage unlimited projects, users and tasks. It also aims to help you collaborate with remote teams and offshore partners and clients. It features resource and task planning, monitoring and control, as well as file sharing through Dropbox and Google Drive.


Wrike is another general free project management tool, but it is also adaptable for a construction manager. Wrike creates “building blocks of work,” breaking up larger goals into smaller pieces with due dates and files that can be attached. You can track your overall progress in a construction project with this tool.

The software also enables you to initiate work with a request forms function, allowing you to prioritize projects with your team and get them done faster.

Wrike has a strong collaboration aspect to it, allowing you to view everyone’s changes to documents in real time. It also enables you to upload or link and edit documents in just about any format and through services provided by Microsoft, Google and Dropbox. There’s a live activity stream providing real-time updates on project activity if you like tracking your project on the go.

For small construction companies with a tech-savvy crew, OpenDocMan is an incredible free and open-source document management system. Companies must self-host on LAMP or WAMP. Running through Apache/IIS, users can use OpenDocMan for any number of functions, including hosting an unlimited number of files, file expiration, revision history, and detailed search.

OpenDocMan offers upgraded versions, including an option that includes hosting and training. While OpenDocMan is largely intuitive, there is a learning curve for new users.


At the end of the day, construction managers are better off paying for integrated construction management software. Instead of mashing together different software options for different tasks, they should invest in one central option, cutting down on costs and procedure.

But with that said, these four options will help your construction business fix problems relating to cost estimating and drawing, documenting, and project management. I’m sure there are other great free and open source construction-specific software options available—what did I miss? Let me know in the comments below!

And if there’s construction management software that should have made this list—or definitely doesn’t belong here—leave a review to let us know!

Looking for Construction Management software? Check out Capterra's list of the best Construction Management software solutions.

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About the Author

Dan Taylor

Dan is a content writer at Capterra, specializing in hotel management, construction and real estate. Outside the office, he enjoys spending time with his family and friends, catching up with the latest offering from HBO or paying a visit to a new place.


[…] The Top 4 Free and Open Source Construction Management Software – Capterra Blog. […]

Please add ESTIMATE to your list of open source construction estimating software. It is web based and open source.

Estimate and Estimator Application look suitable for Quantity Surveying Technicians who do takeoffs, the rest are suited for project managers who are more into scheduling and general management.

Is there a cloud support connected to this gantt chart software like Google or any other
eg: Creately ?

Would you know of a good resources for equipment cost database?

I am really beginner learner of planning software,especially Primavera p6 professional r8.3 on online training.So I need this software urgent for training,Could you pls give me the link to downlod…
SO much Regards,

The heading of the blog is misleading because it says that the blog is about 4 free & open source construction management software. In reality, the blog describes only one construction management & collaboration software and the rest of the software in the list are either related to project management or project cost estimation. There are other more comprehensive construction management software like SKYSITE (

Thanks for this detailed analysis. This post is great & provides a detailed view of what should be done.

Great list of software! #ubi #ulticonbuildersinc #ulticon

We are just starting to develop a range of fully integrated open source applications in the construction industry including open source CRM, Estimating Software, Job Management and ERP (single integrated application customers can a single module or all 18 modules).

IMO the title of this article is not completely in line with the list of mentioned software.
However, if we intend the list as a compendium of open-source solutions that can be of help in construction management I think that also LogicalDOC as a document management system, in its open-source community version, deserves the right to be cited.
This software is web-based, platform independed and in addition, it provides its users with native Apps for iOS and Android that allow to consult documents remotely.

Construction is not purely limited to the highway department and the building industry. Construction also occurs with the transportation industry and order of assembly and module building, as well as assembly line design construction for a factory may also apply. I am interested in building an aircraft factory and being able to manage my time, parts assembly, fabrication of parts, just-in-time inventory, tooling up, and such like. Thanks.

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