Let your team work in Trello while Redmine stays in control

So Your Team Actually Uses Redmine

You’ve set up Redmine, but your team members just won’t use it. You end up chasing people down for status updates yourself — sound familiar?

The problem isn’t Redmine.

There’s an inherent contradiction at play: for project managers, tracking progress is a core responsibility; for team members, it’s extra overhead. From a member’s perspective, the cost of learning a tool — especially one that feels outdated — just to file progress reports simply isn’t worth it.

RedSync solves that structural problem.

Project managers design and manage the whole project in Redmine. Team members run their work in Trello. RedSync connects the two in real time. Your Redmine investment stays intact — no migration, no double entry.

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Status and progress can be reported directly from the card, and the update hits Redmine in real time.

Why Team Members Actually Use Trello

Because Trello isn’t a “reporting tool” — it’s a tool that helps them get their own work done. They organize today’s tasks on cards, work through checklists, and see who’s responsible for what at a glance. They use it because it works for them. And as a byproduct, progress flows back to Redmine.

Here’s what a card looks like from a member’s perspective.

cardexample

💡 A Note on How Redmine and Trello Divide the Work

Attachments and task lists are available in Redmine tickets too. The difference is that in Redmine, you need to create a ticket just to use them.

In practice, not everything warrants a ticket. A personal note, a quick reminder for the team, a one-day checklist — these small pieces of work that don’t quite rise to ticket level are exactly what Trello cards handle naturally. And that’s a big part of why team members actually use them.

Grasp Situation with Gantt Chart

Members can also view the Gantt chart right inside Trello — so they can see when their next task starts, and whether upstream work is on track. They make those calls themselves, without pinging the project manager.

cardexample

Master Schedule Always Lives in Redmine

Tickets and schedules are always managed in Redmine. Once the schedule is set, just sync your Redmine tickets to the Trello board. Cards are created for the whole team at once, and everyone gets the latest schedule immediately. Sync again whenever tickets are updated, and everything stays current.

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Keep Moving Forward With Redmine

Your tickets, schedules, and permissions stay exactly as they are. What changes is how your team works together.

Documentations

Try RedSync

RedSync is a Trello Power-Up so that it can be easily installed on Trello just like any other Power-Up.

HTTPS Required

Your Redmine server must support HTTPS. Most servers likely already support it, but please check your environment.

For other necessary Redmine configuration requirements, please refer to Administrator’s Guide.

You can install RedSync on Trello using the link below if you’re already set up.


Add to Trello

Resources on HTTPS and CORS

Information about installing Redmine and supporting HTTPS and CORS is provided in the article below.

If you need to consult with your system administrator, sharing this information with them should make evaluating easier.

You can also use RedSync Proxy to connect with Redmine servers that do not support CORS. (See here for details.)

Step-by-Step: Install Redmine 4.2/5.0 with Ruby 2.7 on Ubuntu
The installation process of Redmine 4.2/5.0 with Ruby 2.7 is explained step-by-step. You can easily follow the process in a copy-and-paste manner.
Step-by-Step: Install Redmine 5.0 with Ruby 3.1 on Ubuntu
The installation process of Redmine 5.0 with Ruby 3.1 is explained step-by-step. You can easily follow the process in a copy-and-paste manner.
CORS Support for RedSync
RedSync requires Redmine to support the CORS (Cross-Origin Resouce Sharing). This article introduces how to support the CORS in your Redmine.

Change History

DateDescription
2026/05/24Fully revised
2024/05/24Revised
2023/04/24Revised
2022/09/17Add description for RedSync
2022/08/28Add demos
2022/08/09Initial release