Astah System SafetyChange Vision, Inc.
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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/D-Case assurance cases, ASAM SCDL safety concepts, 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. Safety engineers in automotive, aerospace, railway, and embedded systems use it to build safety cases for standards such as ISO 26262.
AI Chat Copilot and a local MCP server require your own API key from a supported AI service (OpenAI, Claude, Gemini, or an OpenAI-compatible endpoint). SysML models can be exchanged with Cameo Systems Modeler through XMI import and export.
Runs on Windows and macOS. FTA, FMEA, and simulation are not included. A 40-day free trial is available.
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About
Relatics is Model-Based Systems Engineering software used by projects in the construction and civil engineering industry. It frees the project of numerous spreadsheets and isolated applications. As a result, Relatics has proven to regain project control, reduce project risks, and decrease failure costs. Relatics is used by governments, contractors and consultancy firms for buildings, roads, bridges, tunnels, railways, canals, dams, ports, airports and dredging. Relatics allows the construction industry to adopt Systems Engineering effectively and to bring projects for both client and contractor to the next level. Indepently of your maturity level, Relatics supports your transformation from a document-driven approach to a model-driven approach and helps you to fully benefit from working together across all disciplines. With Relatics, all relevant information can be found with one single click, regardless of your project’s size or complexity.
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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 and systems engineers in automotive, aerospace, railway, defense, robotics, and medical device development
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Audience
Government agencies, construction companies, contractors and engineering firms
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$550 per year
Annual license: $550 per user per year. Annual floating license: $1,050 per seat per year, with a self-hosted license server required. Per-seat floating prices decrease with larger packs (for example, $9,500 for 10 seats). Monthly licenses are not available.
For universities, the Faculty Site License ($900) covers Astah System Safety, Astah SysML, and Astah Professional for all faculty and students in a department. A 40-day free trial is available. AI features (AI Chat Copilot and the local MCP server) require your own API key from a supported AI service, and API usage is billed separately by that provider.
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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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Company InformationChange Vision, Inc.
Founded: 2006
Tokyo, Japan
astah.net/products/astah-system-safety/
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Company InformationRelatics
Founded: 2003
Netherlands
www.relatics.com
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Categories |
Categories |
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Construction Management Features
Accounting Integration
Not Supported
Budget Tracking/Job Costing
Supported
Change Orders
Supported
Commercial
Not Supported
Contract Management
Supported
Contractors
Supported
CRM
Supported
Equipment Tracking
Supported
Estimating
Not Supported
Incident Reporting
Supported
Mobile Access
Supported
Offline Access
Supported
Residential
Not Supported
RFI & Submittals
Not Supported
Subcontractor Management
Supported
Timesheets
Not Supported
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Integrations
Cameo Systems Modeler
Supported
Microsoft Excel
Supported
Microsoft SharePoint
Not Supported
OpenAI
Supported
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Integrations
Cameo Systems Modeler
Not Supported
Microsoft Excel
Not Supported
Microsoft SharePoint
Supported
OpenAI
Not Supported
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