The short answer
- The best genuinely free way to start is the OEE Lab free OEE tracker: log a shift in about 2 minutes, get instant OEE plus a downtime Pareto, run a work-order board and PM schedule, no account needed.
- Real free CMMS tiers worth knowing: Limble, MaintainX, UpKeep and Fiix all offer no-cost entry plans that work for a small team, though every one of them caps users, assets or history somewhere and expects you to upgrade eventually.
- Once a plant is running multiple lines or sites and needs automatic PLC capture, true-cause detection and a closed loop from loss to work order, that is the point to book a Fabrico demo.
"Free maintenance software" means different things depending on who is asking. If you are one supervisor trying to get OEE and PM off a whiteboard and onto something you can actually read, the free OEE Lab tracker gets you there today, in your browser, with no signup. If you are a maintenance lead who needs a shared work-order queue for a small crew, Limble, MaintainX, UpKeep and Fiix all have real free tiers worth trying.
None of that is a knock on "free." It is the honest starting point almost every plant goes through. The catch with any free tier, including ours, is the same: a human still has to type in the shift numbers, walk the floor to figure out why a stop happened, and raise the work order themselves. That is fine for one line. It gets slow once you are running several lines, several shifts, or several sites.
This page ranks the free options that are actually free right now, tells you plainly where each one caps out, and shows where a paid platform like Fabrico starts to earn its keep once a plant gets serious about OEE and maintenance at scale.
The best free maintenance software, ranked
OEE Lab free OEE tracker + light CMMS FREE
Log a shift in 2 minutes, get instant OEE, a downtime Pareto, a work-order board and a PM schedule, free, in your browser.
Best for: A single line or shift wanting real OEE and a basic CMMS today, with zero setup and zero cost.
Open the free trackerMaintainX FREE
One of the most accessible free tiers in CMMS, mobile-first work orders for a small team.
Best for: Small maintenance teams wanting the lowest-friction, mobile-first way to move work orders off paper and coordinate shifts.
Compare CMMS optionsUpKeep FREE
Mobile technician workflow for facility and field maintenance teams.
Best for: Mobile-first facility and field-maintenance teams that want simple work-request and asset-tracking on a phone.
Compare CMMS optionsLimble FREE
Clean, self-serve CMMS for teams that want to stand it up themselves.
Best for: Teams that value a clean, self-serve interface and quick adoption for core work-order and PM management.
Compare CMMS optionsFiix FREE
A permanent, no-expiry free plan for core CMMS record-keeping.
Best for: A small team wanting a permanent free foothold for core CMMS record-keeping without a trial clock.
Compare CMMS optionsFabrico
The manufacturing-intelligence platform to graduate to once free stops being enough.
Best for: A plant running multiple lines or sites that needs automatic capture, true-cause detection and a closed loss-to-fix loop.
At a glance
| Capability | Free OEE Lab tracker | Fabrico |
|---|---|---|
| Data capture | Log each shift by hand in about 2 minutes, data stays in your browser. | Reads OEE automatically off your PLCs, no manual entry. |
| Micro-stop cause | You investigate sub-5-minute stops yourself and note the reason. | Computer vision identifies the true cause of each micro-stop, with video evidence. |
| Loss-to-fix loop | You spot the loss, then raise the work order yourself on the board. | A detected loss becomes an auto-routed work order, assigned automatically. |
| Scope and multi-site | One plant on one device and browser, best for a single line or shift. | Plant-wide and multi-site from one central cloud view. |
| Integrations | Standalone, run it on its own, export data when you need it elsewhere. | Integrates with PLCs, MES, and ERP so OEE flows with your stack. |
| Access and roles | Local device sign-in with people and roles on that one device. | Org SSO with roles across the plant and a full audit trail. |
| Security posture | Data stays local in your browser, on the device you use. | SSO, roles, and audit trail that support audit-readiness (ISO 27001, 20000-1, 9001). |
| Data residency | Your data lives in your own browser storage on your device. | EU-built with EU data residency, outside the reach of the US CLOUD Act. |
| Reporting | Instant OEE, availability, performance, quality, a downtime Pareto, and CSV/JSON export you run yourself. | Live plant-wide dashboards plus scheduled reports delivered automatically. |
| Benchmark and scorecard | Compare to a world-class 85% benchmark and share a scorecard. | Continuous multi-site benchmarking with drill-down to line and asset. |
| Support and onboarding | Self-serve, start free with no account and no setup call. | Guided onboarding and ongoing support from the Fabrico team. |
| Scale | The best genuinely free way to start on one line, today. | The professional platform you graduate to as the plant gets serious. |
How we picked these
- Genuinely free right now: no expired trial dressed up as "free", and no numbers we can't verify. We describe what each free tier actually lets you do, not a marketing claim.
- Real scope, honestly stated: most free CMMS and OEE tiers cap users, assets or history somewhere. We say that plainly instead of pretending free is unlimited.
- Fit for a single line or small team first: this list is built for someone starting out, not for evaluating enterprise contracts.
- Where the free tier runs out: every tool on this list eventually points you toward a paid plan once you need more scope, more integrations, or more automation. We call out where that line sits so you're not surprised by it.
- No fabricated review counts, quotes or pricing: if we could not verify a specific number, we left it out.
The OEE Lab tracker logs a shift and shows your OEE, your loss Pareto and a world-class benchmark in about two minutes, with work orders and preventive maintenance in the same place. No account needed.
Frequently asked questions
Is the OEE Lab tracker really free, or is it a trial?
It is free with no trial clock and no account required to start. Open the tracker, log a shift, and you get OEE, availability, performance, quality and a downtime Pareto instantly. Data stays in your browser on the device you use.
What's the catch with free CMMS tools like Limble, MaintainX, UpKeep or Fiix?
They are genuinely free to start, but like most free software tiers they typically cap the number of users, assets or how much history you can keep, and they are built as an on-ramp to a paid plan as your team or asset list grows. None quote us specific limits worth repeating here, so try each on its own site to see current caps.
Can free maintenance software replace a full CMMS at scale?
For one line or a small crew, yes, it gets real work done. Past a certain point, a plant running multiple lines, shifts or sites usually needs automatic data capture, integrations with PLCs, MES and ERP, and org-wide roles and audit trail, which is where a platform like Fabrico takes over from manual entry and standalone tools.
Does the free OEE tracker connect to my PLCs automatically?
No. It is a manual-entry tool by design, you log the shift yourself in about 2 minutes. Automatic PLC-read OEE, with no manual entry, is a Fabrico capability. See the Fabrico demo if that's what you need next.
How do I know if I've outgrown a free tool?
Common signs: you're manually re-entering the same downtime reason across shifts, you're chasing a work order in a spreadsheet instead of a system, you run more than one line or site and want one view of all of them, or you need proof of process for an audit. Any of those is the signal to look at how to choose OEE or CMMS software built for scale.
What's the difference between an OEE tool and a CMMS?
An OEE tool measures availability, performance and quality to tell you how well a line is running and where losses are. A CMMS manages the maintenance side, work orders, PM schedules, asset records. The free OEE Lab tracker gives you both in one lightweight tool; see what is OEE for the fundamentals.
When free is not enough, Fabrico is the upgrade
Fabrico is the platform we recommend when a plant is ready to stop logging by hand: computer-vision true-cause of micro-stops, a closed loop from PLC-read OEE to an auto-routed work order, EU-built with EU data residency, and ISO 27001 / 20000-1 / 9001 (supports audit-readiness). Everything you log in the free tracker comes across.
Book a Fabrico demoMore free software: All free software · Best Free OEE Software in 2026 · Best free preventive maintenance software in 2026 · Free and open-source CMMS in 2026: hosted free tiers vs self-hosted open-source · Best free CMMS software 2026: the honest free options
Free OEE tracker · OEE calculator · CMMS ROI calculator · How to choose OEE or CMMS software · What is OEE · Cost of downtime