Astah System SafetyChange Vision, Inc.
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Reliability WorkbenchIsograph
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Related Products
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About
Astah System Safety is a model-based safety analysis tool for safety-critical systems, developed by Change Vision, Inc. It combines SysML modeling with STAMP/STPA hazard analysis, GSN (Goal Structuring Notation) assurance cases, ASAM SCDL, and UAF in one tool.
Safety analyses are linked to the system model, so control structures, hazards, and safety arguments stay traceable to requirements and architecture. It is used by safety engineers in automotive, aerospace, and embedded systems, including safety-case work for standards such as ISO 26262.
AI Chat Copilot works with your own API key for OpenAI, Azure OpenAI, Claude, Gemini, or an OpenAI-compatible service, and a local MCP server connects external AI agents to your models. Models can be exchanged through XMI and with Cameo Systems Modeler.
Astah System Safety runs on Windows and macOS. FTA and FMEA are not included. A 40-day free trial is available.
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About
Fully integrated reliability and safety software for the professional.
Reliability block diagram analysis
Fault tree, common cause and importance analysis
Event tree analysis with multiple risk categories
Markov analysis including multi-phase modelling
Link hazard logs and requirements to RBD or fault tree verification models
Multiple standards support for system analysis including ARP 4761, IEC 61508, ISO 26262
Predict the reliability of electronic and mechanical components using MIL-217, Quanterion 217 Plus, SN29500, IEC 61709, FIDES, Telcordia TR/SR, IEC TR 62380, GJB299C and NSWC
FMEA and FMECA to standards such as MIL-STD-1629A, BS 5760 Part 5, GJB 1391-92, AIAG & VDA, SAE J1739, ARP5580
Link to Requirements Management tools such as Jama Connect®
Our software has been in continuous development since the 1980s and is the recognized standard for safety and reliability professionals.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Safety engineers and systems engineers in automotive, aerospace, and embedded systems
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Audience
Reliability and safety engineers
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Pricing
$550 per year
Free Version
Not Supported
Free Trial
Supported
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationChange Vision, Inc.
Founded: 2006
Japan
astah.net/products/astah-system-safety/
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Company InformationIsograph
Founded: 1986
United Kingdom
www.isograph.com/software/reliability-workbench/
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Integrations
Requs AI Predict Software FMEA
Not Supported
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