Python framework for building and simulating dynamical systems using block diagrams
Stage
Established
Not given
Founded
2019
Not given
Based in
Not given
Not given
Pricing model
Freemium
Open source
Pricing
Free tier available. Paid plans include Pro with serverless or dedicated compute options for databases starting at $10/month per database. Enterprise plans offer custom resource limits, volume discounts, and premium support.
Not given
Key features
Authentication with email, SMS, OAuth, and magic URLs
Database management with PostgreSQL and MySQL support
File storage with compression, encryption, and image transformations
Serverless functions with isolated runtimes
Frontend hosting with Git integration
Email, SMS, and push notifications
Firewall with traffic rules and abuse controls
Realtime events and subscriptions
DDoS protection and encryption
Global CDN with 300+ PoP locations
30+ solvers including implicit, explicit, and adaptive integrators
Zero-crossing detection and scheduled events for hybrid systems
Hot-swappable blocks and solvers during active simulation
Hierarchical subsystems for modular component design
MIMO support with multiple input and output ports
Browser-based visual editor with PathView
Domain toolboxes for chemical, battery, vehicle, flight, and RF engineering
Custom blocks through subclassing the base Block class
Supports continuous-time, discrete-time, and hybrid systems
FMI integration to wrap Co-Simulation and Model-Exchange FMUs
What makes it different
All-in-one platform unifying backend services in one stack
Optimized for AI agents and MCP integration
Enterprise-grade security with SOC 2, HIPAA, and GDPR compliance
Flexible deployment: fully managed Cloud or self-hosted options
Readable, scriptable alternative to traditional simulation tools with solver depth
Full ecosystem including FastSim Rust engine and standalone C code generation
Minimal runtime dependencies: only numpy, scipy, and matplotlib
Domain-specific toolboxes for chemical, battery, vehicle, flight, and RF engineering