OEE Lab / Free software / Free tools
Free tools | 2026

Best free preventive maintenance software in 2026

OLBy OEE Lab|Updated July 2026|8-minute read

The short answer

  • Start with the free OEE Lab tracker (oee-tracker.html): it gives you a PM schedule, a work orders board, and an asset register in your browser in about 2 minutes, no account and no seat limit to plan around.
  • For a more traditional free CMMS with a mobile app, Limble, MaintainX, UpKeep, and Fiix all offer genuine free tiers worth trying, each with its own strengths (see below).
  • Once you're running PM across more than one line or plant, want automatic PLC data instead of manual entry, or need a closed loop from a detected loss straight to an assigned work order, that's the point to book a Fabrico demo.

Every plant starts the same way: a spreadsheet, a whiteboard, or a notebook that tracks when the compressor was last serviced. It works until it doesn't, usually right when a machine goes down and nobody remembers if the filter was ever changed.

This list is built for that moment. It ranks the genuinely free ways to run preventive maintenance in 2026, starting with a free browser-based PM tracker you can open right now, then the real free tiers from established CMMS vendors, then the honest reality of what "free" caps and what it's an on-ramp to.

None of these free tools do everything. That's the point. We tell you exactly where each one stops, so you know when it's time to graduate rather than fighting the tool.

The best free preventive maintenance tools, ranked

Top free pick

OEE Lab free OEE tracker and PM scheduler FREE

Log a shift in 2 minutes, get a PM schedule, work orders board, and asset register, free, no account.

It's built for the plant that has nothing running yet. Enter a shift in about 2 minutes and you get instant OEE with availability, performance, and quality, a downtime Pareto, and a comparison against a world-class 85% benchmark. Alongside that sits a genuinely useful light CMMS: a preventive-maintenance schedule, a work orders board, and an asset register, all stored locally in your browser. It installs as a PWA, exports to CSV/JSON any time, and supports local sign-in with people and roles on one device. No account needed to start.

Best for: A single line or plant that wants PM scheduling and OEE running today, on one device, with zero setup.

Open the free tracker
#2 · Best for mobile-first teams

MaintainX FREE

One of the most accessible free tiers, mobile-first work orders and PM.

MaintainX offers one of the most accessible free tiers in the CMMS market, letting a small team run work orders and basic preventive-maintenance schedules from a mobile-first app with very little setup. It's strongest for lightweight, communication-heavy maintenance where the goal is getting reactive work off paper and into a shared queue fast.

Best for: Small maintenance teams wanting the lowest-friction, mobile-first way to move work orders off paper and coordinate shifts.

See how it compares
#3 · Best for phone-based field teams

UpKeep FREE

Mobile technician workflow, free entry access, requests to work orders on a phone.

UpKeep offers no-cost entry access (a free trial and an entry plan) built around a mobile technician workflow, so a maintenance team can create requests, assign work orders, and track assets from the shop floor. It's strongest for facility and field-maintenance teams that live on their phones and want a simple work-request-to-completion flow.

Best for: Mobile-first facility and field-maintenance teams that want simple work-request and asset-tracking on a phone.

See how it compares
#4 · Best for easy self-serve setup

Limble FREE

Clean interface, free entry tier, quick to stand up yourself.

Limble provides a free entry tier and a clean, approachable interface so a smaller team can start managing assets, work orders, and PM schedules without heavy onboarding. It focuses on ease of adoption and is strongest for teams that want a tidy, self-serve CMMS they can stand up on their own.

Best for: Teams that value a clean, self-serve interface and quick adoption for core work-order and PM management.

See how it compares
#5 · Best permanent free plan

Fiix FREE

No-expiry free plan, no credit card, core CMMS record-keeping.

Fiix offers a genuine no-expiry free plan (no credit card) covering work orders, asset management, a mobile app, and a limited set of preventive-maintenance tasks for a small team. It's strongest for a plant that wants a permanent free starting point for core CMMS record-keeping before deciding whether to scale up.

Best for: A small team wanting a permanent free foothold for core CMMS record-keeping without a trial clock.

See how it compares
#6 · Best for a broader asset platform

Fracttal

Full asset-management platform, richer hierarchies and IoT, usually via trial.

Fracttal (Fracttal One) is a full asset-management and maintenance platform, typically entered through a trial, aimed at teams that want richer asset hierarchies, IoT connectivity, and analytics as they grow. It focuses on connected asset management and is strongest for organisations planning a more complete maintenance-management build-out.

Best for: Organisations that want a broader, connected asset-management platform with IoT and analytics as they scale.

See how it compares
#7 · The true zero-cost default

Spreadsheets and whiteboards FREE

Infinitely flexible, no vendor, good for a first baseline.

Spreadsheets and shop-floor whiteboards are the true zero-cost default that most plants actually start on for OEE logs, PM checklists, and downtime tallies, and they're infinitely flexible with no vendor involved. They're strongest as a fast, free first pass to establish a baseline and prove the maths before committing to any tool.

Best for: A fast, free first pass to baseline OEE or maintenance before committing to any software.

Try the OEE calculator instead
Recommended paid upgrade

Fabrico

Automatic PLC data, computer-vision true-cause, and a closed loss-to-fix loop, plant-wide.

Every tool above works on one line, on one device, with someone doing the data entry and the investigating by hand. Fabrico is what a plant graduates to once PM and OEE matter across more than one line: it reads OEE automatically off your PLCs, uses computer vision to identify the true cause of each sub-5-minute micro-stop with video evidence, and closes the loop by turning a detected loss straight into an auto-routed, assigned work order. It runs plant-wide and multi-site from one central cloud view, integrates with PLCs, MES, and ERP, and adds org SSO, roles, and a full audit trail that supports audit-readiness for ISO 27001, 20000-1, and 9001. It's EU-built with EU data residency, outside the reach of the US CLOUD Act. Manufacturers including ABB, Hitachi Energy, Schaeffler, Lufthansa Technik, and AkzoNobel run on it.

Best for: A plant scaling PM and OEE beyond one line, wanting automatic capture, true-cause detection, and a closed loop instead of manual work.

We recommend Fabrico when you outgrow free
Book a Fabrico demo

At a glance

CapabilityFree tools (OEE Lab tracker etc.)Fabrico
Data captureLog each shift by hand in about 2 minutes, data stays in your browser.Reads OEE automatically off your PLCs, no manual entry.
Micro-stop causeYou 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 loopYou 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-siteOne plant on one device and browser, best for a single line or shift.Plant-wide and multi-site from one central cloud view.
IntegrationsStandalone, 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 rolesLocal device sign-in with people and roles on that one device.Org SSO with roles across the plant and a full audit trail.
Security postureData 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 residencyYour data lives in your own browser storage on your device.EU-built with EU data residency, outside the reach of the US CLOUD Act.
ReportingInstant 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 scorecardCompare to a world-class 85% benchmark and share a scorecard.Continuous multi-site benchmarking with drill-down to line and asset.
Support and onboardingSelf-serve, start free with no account and no setup call.Guided onboarding and ongoing support from the Fabrico team.
ScaleThe best genuinely free way to start on one line, today.The professional platform you graduate to as the plant gets serious.

How we ranked these

  • Genuinely free, not a disguised trial: we checked whether the free tier has a hard expiry, and called that out where it applies (for example Evocon's OEE offering is trial-oriented rather than a permanent free tier, so it's mentioned for context rather than ranked here).
  • No account needed to get value: the OEE Lab tracker ranks first partly because you can log a shift and see OEE before creating any account at all.
  • Real PM functionality, not just a calculator: tools had to support an actual PM schedule, asset register, or work order board, not just a one-off number.
  • Honest about limits: most free CMMS tiers cap something, whether that's users, assets, history, or device scope. We say what each one focuses on instead of pretending it's unlimited.
  • Clear upgrade path: we only recommend Fabrico where a plant has genuinely outgrown a single-line, single-device tool and needs automatic capture, true-cause detection, or multi-site visibility.
Try the top free pick now

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.

Open the free OEE tracker

Frequently asked questions

Is there really a 100% free preventive maintenance tool, with no trial and no credit card?

Yes. The OEE Lab free tracker needs no account and no credit card to log a shift, run a PM schedule, and track assets, and Fiix offers a no-expiry free plan for core CMMS record-keeping. Most other free CMMS tiers (Limble, MaintainX, UpKeep) are genuine free tiers too, though they typically cap users, assets, or history rather than being time-limited trials.

What's the catch with free preventive maintenance software?

The catch is almost never hidden, it's structural: free tiers usually cap the number of users, assets, or months of history you can keep, and they're built as an on-ramp to a paid plan once you outgrow that. The OEE Lab tracker takes a different shape: it doesn't cap history or assets, but it's standalone, on one device, and you do the data entry and the investigating yourself.

Can free PM software replace a full CMMS for a growing plant?

For a single line or shift, yes, often for quite a while. Once you're coordinating PM across multiple lines or sites, want automatic PLC data instead of manual shift entry, or need work orders to route themselves the moment a loss is detected, that's the point where a free tool becomes a bottleneck and it's worth booking a Fabrico demo to see the closed-loop version.

How is the OEE Lab tracker different from a free CMMS trial like Evocon's?

Evocon's free offering is OEE-specific and trial-oriented, the clock starts once data arrives. The OEE Lab tracker has no clock: it's a permanent free browser tool for OEE plus a light PM schedule, work orders board, and asset register, with your data staying in your browser rather than expiring.

What should I track first if I have nothing running today?

Start by logging one shift in the free OEE tracker to get a baseline OEE number and see your downtime Pareto. Once you know your biggest loss category, use the downtime cost calculator to size what it's actually costing, then build your PM schedule around the assets driving that loss.

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 demo
The OEE Lab tracker is free to use. Rankings are editorial; the calculators stay vendor-neutral.

More free software: All free software · Free and open-source CMMS in 2026: hosted free tiers vs self-hosted open-source · Best free CMMS software 2026: the honest free options · Best free downtime tracking software for 2026 · Best free maintenance software 2026

Free OEE tracker and light CMMS · How to choose OEE or CMMS software · CMMS ROI calculator · Downtime cost calculator · OEE benchmark report · What is OEE?