Free. No paid tier, no subscription, no account required.
Free: one connected computer, unlimited game servers on that host, local backups, managed shared relay and custom DNS where supported. Plus: $5/month or $50/year (billing coming soon), unlimited connected hosts under fair use, same core tools as Free.
Key features
Import STL, OBJ and 3MF files with textures
Automatic repair of holes, broken edges and flipped faces
Auto-orient with island counting and multi-plate support
Model hollowing with infill patterns and drain holes
Automatic supports sized by load with branching trunks
Adaptive layer slicing with anti-aliasing
Layer checking for islands, suction cups and thin walls
Export to 20+ printer file formats including SDCP and PrusaLink
Runs offline on Windows, macOS and Linux without internet connection
Layer-by-layer visualization before printing
Free 2-hour demo on shared capacity
Browser-based server management dashboard
Local backup and restore
File management and editing
Multi-user access control
Swarm Zones for multiple hosts
Real-time resource monitoring
Game update and version management
What makes it different
Checks every layer for problems before printing in the same time as slicing
Completely free and open source with no paid tier, subscription or account required
All files stay on the user's computer with no cloud, no tracking and no telemetry
Supports 102 printer profiles from 14 different manufacturers out of the box
Available on Windows, macOS and Linux with identical features and project compatibility
Free tier with one connected computer and unlimited servers on it
No port forwarding required with managed relay
Try before installing with free 2-hour demo
Automatic failover with 3-copy backup protection across multiple hosts
Encrust
Swarm Hosts