Best Mainsail Alternatives in 2026
The top Mainsail alternatives are Bambu Studio, OrcaSlicer and Slic3r: 15 3D printing software our editors would look at instead of Mainsail, in our ranking order.
Mainsail: A polished self-hosted control center for Klipper printers, not a slicer or model repair tool. Where it falls short: requires a klipper and moonraker-based printer setup.
Switching from Mainsail? For most 3d printing software buyers the best Mainsail alternative is Bambu Studio, built for bambu users needing free multi-material workflows.
Why People Look for a Mainsail Alternative
- Requires a Klipper and Moonraker-based printer setup
- Does not provide slicing or cloud slicing
- Does not include support generation or model repair
- No auto supports — 13 of the alternatives below have it
- No cloud slicing — 3 of the alternatives below have it
Quick Picks by What You Need
- Best overallBambu Studio9.4
Bambu users needing free multi-material workflows
Visit Bambu Studio - Best free optionBambu Studio9.4
Has a free plan
Visit Bambu Studio - Best for auto supportsBambu Studio9.4
Auto supports (Mainsail: no)
Visit Bambu Studio
All 15 Mainsail Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBambu users needing free multi-material workflows
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Editor score 9.4 vs 6.8
A free, open-source desktop suite for slicing, multi-material preparation, and Bambu printer control.
- Auto supports
- Multi-material tools
- Print monitoring
9.4/10★★★★★Visit Bambu Studio -
Best forAdvanced FDM users who want free calibration control
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A calibration-focused FDM slicer with broad printer-host integrations.
- Model repair
- Auto supports
- Multi-material tools
9.0/10★★★★☆Visit OrcaSlicer -
Best forEstablished free FDM slicing
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A mature free slicer with multi-material tools, printer control, and OctoPrint integration.
- Model repair
- Auto supports
- Multi-material tools
9.0/10★★★★☆Visit Slic3r -
Best forFormlabs production teams using validated workflows
- Better than Mainsail:
- Auto supports
- Model repair
- Editor score 8.8 vs 6.8
A focused, free choice for Formlabs teams preparing and sending SLA or SLS jobs.
- Model repair
- Auto supports
8.8/10★★★★☆Visit Formlabs -
Best forIndustrial additive manufacturing preparation
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A deep Windows workflow for engineers preparing complex additive manufacturing jobs.
- Model repair
- Auto supports
- Multi-material tools
8.6/10★★★★☆Try Autodesk Netfabb -
Best forProcedural and experimental print generation
- Better than Mainsail:
- Auto supports
- Cloud slicing
- Multi-material tools
A specialized free tool for procedural models, advanced slicing, and varied output workflows.
- Cloud slicing
- Auto supports
- Multi-material tools
8.3/10★★★★☆Visit IceSL -
Best forFree self-hosted printer control and monitoring
- Better than Mainsail:
- Editor score 7.8 vs 6.8
A free, open-source control hub for monitoring and managing compatible 3D printers.
- Print monitoring
7.8/10★★★★☆Visit OctoPrint -
Best forFree multi-material slicing with automation options
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A capable local slicer for multi-material preparation, automation, and detailed print control.
- Model repair
- Auto supports
- Multi-material tools
7.7/10★★★★☆Visit PrusaSlicer -
Best forUsers switching between resin and filament printing
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A cross-platform slicer with strong support tools for resin and filament workflows.
- Model repair
- Auto supports
- Multi-material tools
7.7/10★★★★☆Visit Lychee Slicer -
Best forFree users wanting mature, configurable FDM slicing
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Editor score 7.6 vs 6.8
A configurable, cross-platform FDM slicer with profiles, supports, adaptive layers, and network printing.
- Auto supports
- Multi-material tools
- Print monitoring
7.6/10★★★★☆Visit UltiMaker Cura -
Best forMixed-brand teams managing shared printer fleets
- Better than Mainsail:
- Auto supports
- Cloud slicing
- Model repair
An all-in-one cloud platform for slicing, printer control, monitoring, queues, and models.
- Cloud slicing
- Model repair
- Auto supports
7.6/10★★★★☆Visit Polar Cloud -
Best forSmall teams wanting cloud queues and monitoring
- Better than Mainsail:
- Cloud slicing
- Editor score 7.5 vs 6.8
A cloud 3D printing hub with queues, monitoring, analytics, and remote control.
- Cloud slicing
- Print monitoring
7.5/10★★★★☆Visit AstroPrint -
Best forFlexible multi-printer slicing
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Editor score 7.4 vs 6.8
A capable multi-printer slicer with free core tools and paid productivity features.
- Auto supports
- Multi-material tools
7.4/10★★★★☆Visit Craftware Pro -
Best forRaise3D users needing modeling and remote workflows
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Editor score 7.3 vs 6.8
A free, broad slicer for Raise3D users who need modeling and remote workflows.
- Auto supports
- Multi-material tools
7.3/10★★★★☆Visit Raise3D -
Best forZortrax users managing multiple printers
- Better than Mainsail:
- Auto supports
- Multi-material tools
- Model repair
A free, Zortrax-focused workspace for slicing, printer control, and farm monitoring.
- Model repair
- Auto supports
- Multi-material tools
7.2/10★★★★☆Visit Z-SUITE
Mainsail Alternatives: Common Questions
What is the best alternative to Mainsail?
Bambu Studio: #1 in our 3D Printing Software ranking, with an editor score of 9.4 out of 10. A free, open-source desktop suite for slicing, multi-material preparation, and Bambu printer control.
Is there a free alternative to Mainsail?
Yes. Bambu Studio, OrcaSlicer, Slic3r, Formlabs PreForm and Autodesk Netfabb have a free plan or a free tier (15 of the 15 alternatives on this page).
Why do people look for Mainsail alternatives?
Requires a Klipper and Moonraker-based printer setup; Does not provide slicing or cloud slicing; Does not include support generation or model repair.
How do I switch from Mainsail?
Export your data from Mainsail (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Mainsail.
How to Switch from Mainsail
- Export your data from Mainsail (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Mainsail.
Mainsail vs Each Alternative
| # | Tool | Free plan | Paid from | Auto supports | Printer control | Print monitoring | Cloud slicing | Multi-material tools | Score |
|---|---|---|---|---|---|---|---|---|---|
| 19 | Mainsail | Yes | Free | No | Yes | Yes | No | No | 6.8 |
| 1 | Bambu Studio | Yes | Free | Yes | Yes | Yes | Yes | 9.4 | |
| 2 | OrcaSlicer | Yes | Free | Yes | Yes | Yes | No | Yes | 9.0 |
| 3 | Slic3r | Yes | Free | Yes | Yes | Yes | 9.0 | ||
| 4 | Formlabs PreForm | Yes | Free | Yes | Yes | No | No | 8.8 | |
| 5 | Autodesk Netfabb | Yes | Yes | Yes | No | Yes | 8.6 | ||
| 6 | IceSL | Yes | Free | Yes | Yes | Yes | Yes | 8.3 | |
| 7 | OctoPrint | Yes | Free | Yes | Yes | No | No | 7.8 | |
| 8 | PrusaSlicer | Yes | Free | Yes | Yes | Yes | No | Yes | 7.7 |
| 9 | Lychee Slicer | Yes | Yes | Yes | Yes | Yes | 7.7 | ||
| 10 | UltiMaker Cura | Yes | Free | Yes | Yes | Yes | No | Yes | 7.6 |
| 11 | Polar Cloud | Yes | $79/yr | Yes | Yes | Yes | Yes | 7.6 | |
| 12 | AstroPrint | Yes | Yes | Yes | Yes | 7.5 | |||
| 13 | Craftware Pro | Yes | Yes | Yes | Yes | 7.4 | |||
| 14 | ideaMaker | Yes | Free | Yes | Yes | No | No | Yes | 7.3 |
| 15 | Z-SUITE | Yes | Free | Yes | Yes | Yes | No | Yes | 7.2 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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