Best Open Galileo Alternatives in 2026
15 focus stacking software our editors would look at instead of Open Galileo, in our ranking order.
Open Galileo: A capable free option for automated focus stacking, signal integration, and batch processing. Where it falls short: documented output formats are limited to JPG, PNG, and TIFF.
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PlaneFuse not yet scored
Best forAdvanced users needing flexible stacking workflows
A flexible local stacker for advanced photographers working across RAW and developed images.
- Manual retouching
- Batch processing
- RAW file support
—not yet scoredVisit PlaneFuse -
Best forFree users needing a complete stacking workstation
A free, open-source workstation for focus stacking, astrophotography, and related image workflows.
- Manual retouching
- Batch processing
- RAW file support
9.0/10★★★★☆Visit ForgePix -
Shine Stacker not yet scored
Best forFree users wanting polished core stacking features
A capable free stacker with desktop controls, RAW support, and automation options.
- Manual retouching
- Batch processing
- RAW file support
—not yet scoredVisit Shine Stacker -
Best forMac users wanting high-end free stacking
A free Mac stacker with five fusion engines, RAW support, retouching, and batch scripting.
- Manual retouching
- Batch processing
- RAW file support
8.8/10★★★★☆Visit Aduku Stacker -
Best forPhotographers wanting a mature paid workflow
A mature paid workflow for photographers who need RAW support and stacking control.
- Manual retouching
- Batch processing
- RAW file support
8.0/10★★★★☆Visit Helicon Focus -
Best forUsers prioritizing proven stacking methods
A focused desktop stacker with proven methods, batch processing, and one-time licenses.
- Manual retouching
- Batch processing
- Automatic alignment
8.0/10★★★★☆Visit Zerene Stacker -
Best forWindows users needing technical stacking controls
A technical Windows stacker with deep alignment, engine, retouching, and batch controls.
- Manual retouching
- Batch processing
- RAW file support
8.8/10★★★★☆Visit Rekall Fusion -
Best forUsers wanting AI-assisted all-in-one stacking
AI-assisted focus stacking with RAW support, batch processing, and broad exports.
- Manual retouching
- Batch processing
- RAW file support
9.0/10★★★★☆Visit Macro Studio -
Best forHigh-volume Lightroom-based stacking
A capable desktop stacker for high-volume Lightroom-based macro workflows.
- Manual retouching
- Batch processing
- RAW file support
8.0/10★★★★☆Visit FRANZIS -
Best forFree Windows users wanting creative extras
A free Windows focus-stacking tool with alignment, batch workflows, retouching, and 3D outputs.
- Manual retouching
- Batch processing
- RAW file support
8.8/10★★★★☆Visit PICOLAY -
OpenFocus not yet scored
Best forTechnical users exploring many fusion algorithms
A capable free option for technical users who want several focus-fusion methods.
- Batch processing
- Automatic alignment
—not yet scoredVisit OpenFocus -
ChimpStackr not yet scored
Best forFree users wanting a simple multi-platform stacker
A capable free stacker with alignment, multiple algorithms, and GUI or CLI workflows.
- RAW file support
- Automatic alignment
—not yet scoredVisit ChimpStackr -
PhotoAcute Studio not yet scored
Best forUsers needing stacking plus multi-image enhancement
A broad, cross-platform stacker for photographers who need more than depth-of-field extension.
- Batch processing
- RAW file support
- Automatic alignment
—not yet scoredVisit site -
FocusFusion not yet scored
Best forFree Windows users wanting basic manual control
A free Windows tool with two stacking methods and practical manual retouching.
- Manual retouching
- Automatic alignment
—not yet scoredVisit DelphiTools -
focus-stack not yet scored
Best forFree users wanting lightweight cross-platform stacking
A free, open-source stacker with alignment, previews, and command-line workflows.
- Automatic alignment
—not yet scoredVisit focus-stack
Open Galileo Alternatives: Common Questions
What is the best alternative to Open Galileo?
ForgePix: #2 in our Focus Stacking Software ranking, with an editor score of 9.0 out of 10. A free, open-source workstation for focus stacking, astrophotography, and related image workflows.
Is there a free alternative to Open Galileo?
Yes. PlaneFuse, ForgePix, Shine Stacker, Aduku Stacker and PICOLAY have a free plan or a free tier (9 of the 15 alternatives on this page).
What is the cheapest paid alternative to Open Galileo?
Of the alternatives here that publish a price, Zerene Stacker starts lowest, at $39one-time.
Open Galileo vs Each Alternative
| # | Tool | Free plan | Paid from | RAW file support | Automatic alignment | Batch processing | Manual retouching | Score |
|---|---|---|---|---|---|---|---|---|
| not scored | Open Galileo | Yes | None | Yes | Yes | Yes | — | — |
| not scored | PlaneFuse | Yes | None | Yes | Yes | Yes | Yes | — |
| 2 | ForgePix | Yes | None | Yes | Yes | Yes | Yes | 9.0 |
| not scored | Shine Stacker | Yes | None | Yes | Yes | Yes | Yes | — |
| 4 | Aduku Stacker | Yes | None | Yes | Yes | Yes | Yes | 8.8 |
| 5 | Helicon Focus | No | — | Yes | Yes | Yes | Yes | 8.0 |
| 6 | Zerene Stacker | No | $39one-time | No | Yes | Yes | Yes | 8.0 |
| 7 | Rekall Fusion | No | — | Yes | Yes | Yes | Yes | 8.8 |
| 8 | Macro Studio | No | $99one-time | Yes | Yes | Yes | Yes | 9.0 |
| 9 | FOCUS projects 4 professional | No | — | Yes | Yes | Yes | Yes | 8.0 |
| 10 | PICOLAY | Yes | None | Yes | Yes | Yes | Yes | 8.8 |
| not scored | OpenFocus | Yes | None | — | Yes | Yes | — | — |
| not scored | ChimpStackr | Yes | None | Yes | Yes | — | — | — |
| not scored | PhotoAcute Studio | No | — | Yes | Yes | Yes | No | — |
| not scored | FocusFusion | Yes | — | No | Yes | — | Yes | — |
| not scored | focus-stack | Yes | None | — | Yes | — | — | — |
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026