--- title: RiskSpectrum® | Risk & Reliability Software description: Discover a proven and complete software solution for risk, reliability, and availability analysis. image: https://www.riskspectrum.com/hubfs/site-assets/hdr-banner2.jpg --- [Skip to the main content.](https://www.riskspectrum.com#main-content) [![riskspectrum white logo](https://www.riskspectrum.com/hs-fs/hubfs/riskspectrum%20white%20logo.png?width=383&height=181&name=riskspectrum%20white%20logo.png "riskspectrum white logo")](https://www.riskspectrum.com/?hsLang=en) [![Risk Spectrum Logo white](https://www.riskspectrum.com/hs-fs/hubfs/riskspectrum%20white%20logo.png?width=401&height=401&name=riskspectrum%20white%20logo.png "Risk Spectrum Logo white")](https://www.riskspectrum.com/?hsLang=en) - [Home](https://www.riskspectrum.com) - Software - [RiskSpectrum PSA](https://www.riskspectrum.com/riskspectrum-psa) - RiskSpectrum PSA Premium - [RiskSpectrum VersionControl](https://www.riskspectrum.com/versioncontrol) - [RiskSpectrum Multi-Unit](https://www.riskspectrum.com/multi-unit) - [RiskSpectrum PSA Macro](https://www.riskspectrum.com/riskspectrum-psa-macro) - [RiskSpectrum PSAIS](https://www.riskspectrum.com/riskspectrum-psais-risk-reliability-software) - [RiskSpectrum I&AB](https://www.riskspectrum.com/riskspectrum-iab) - [RiskSpectrum ModelBuilder](https://www.riskspectrum.com/riskspectrum-modelbuilder) - [RiskSpectrum HRA](https://www.riskspectrum.com/riskspectrum-hra) - [RiskSpectrum RiskWatcher](https://www.riskspectrum.com/riskspectrum-riskwatcher) - [RiskSpectrum SDP](https://www.riskspectrum.com/riskspectrum-sdp) - [R-DAT](https://www.riskspectrum.com/r-dat) - [FRI3D](https://www.riskspectrum.com/fri3d) - Services - [RiskSpectrum Consulting Services](https://www.riskspectrum.com/consulting-services) - [RiskSpectrum Implementation Services](https://www.riskspectrum.com/implementation-services) - Solutions - [Probabilistic Safety Assessment (PSA)](https://www.riskspectrum.com/probabilistic-safety-assessment-psa) - [Reliability & Availability Assessment](https://www.riskspectrum.com/risk-reliability-and-availability-analysis) - Industry - [Nuclear](https://www.riskspectrum.com/probabilistic-safety-assessment-psa) - [Defence](https://www.riskspectrum.com/riskspectrum-modelbuilder-0) - [Resources](https://www.riskspectrum.com/downloads-resources) - [Training](https://www.riskspectrum.com/training) - Contact Us - [Contact us](https://www.riskspectrum.com/contact) - [お問い合わせ](https://www.riskspectrum.com/ja/contact-us-japanese-risk-reliability-software) - [联系我们](https://www.riskspectrum.com/contact-us-chinese-risk-reliability-software) Toggle Menu Toggle Menu - [Home](https://www.riskspectrum.com) - Software - [RiskSpectrum PSA](https://www.riskspectrum.com/riskspectrum-psa) - RiskSpectrum PSA Premium - [RiskSpectrum VersionControl](https://www.riskspectrum.com/versioncontrol) - [RiskSpectrum Multi-Unit](https://www.riskspectrum.com/multi-unit) - [RiskSpectrum PSA Macro](https://www.riskspectrum.com/riskspectrum-psa-macro) - [RiskSpectrum PSAIS](https://www.riskspectrum.com/riskspectrum-psais-risk-reliability-software) - [RiskSpectrum I&AB](https://www.riskspectrum.com/riskspectrum-iab) - [RiskSpectrum ModelBuilder](https://www.riskspectrum.com/riskspectrum-modelbuilder) - [RiskSpectrum HRA](https://www.riskspectrum.com/riskspectrum-hra) - [RiskSpectrum RiskWatcher](https://www.riskspectrum.com/riskspectrum-riskwatcher) - [RiskSpectrum SDP](https://www.riskspectrum.com/riskspectrum-sdp) - [R-DAT](https://www.riskspectrum.com/r-dat) - [FRI3D](https://www.riskspectrum.com/fri3d) - Services - [RiskSpectrum Consulting Services](https://www.riskspectrum.com/consulting-services) - [RiskSpectrum Implementation Services](https://www.riskspectrum.com/implementation-services) - Solutions - [Probabilistic Safety Assessment (PSA)](https://www.riskspectrum.com/probabilistic-safety-assessment-psa) - [Reliability & Availability Assessment](https://www.riskspectrum.com/risk-reliability-and-availability-analysis) - Industry - [Nuclear](https://www.riskspectrum.com/probabilistic-safety-assessment-psa) - [Defence](https://www.riskspectrum.com/riskspectrum-modelbuilder-0) - [Resources](https://www.riskspectrum.com/downloads-resources) - [Training](https://www.riskspectrum.com/training) - Contact Us - [Contact us](https://www.riskspectrum.com/contact) - [お問い合わせ](https://www.riskspectrum.com/ja/contact-us-japanese-risk-reliability-software) - [联系我们](https://www.riskspectrum.com/contact-us-chinese-risk-reliability-software) [Facebook](https://www.riskspectrum.com#0) [Instagram](https://www.riskspectrum.com#0) [Linkedin](https://www.riskspectrum.com#0) [X](https://www.riskspectrum.com#0) [YouTube](https://www.riskspectrum.com#0) [Medium](https://www.riskspectrum.com#0) # RISKSPECTRUM SOFTWARE #### The complete software solution for risk, reliability and availability analysis. [![solution-icon](https://www.riskspectrum.com/hubfs/site-assets/solution-icon.svg)](https://www.riskspectrum.com/risk-reliability-and-availability-analysis?hsLang=en) ##### Risk, Reliability & Availability Analysis Whether you need to meet the reliability and availability requirements when designing a diversified system for power supply, looking to increase the availability of your manufacturing process or improving the reliability of a hydraulic system -  RiskSpectrum has the tools.  [Learn More](https://www.riskspectrum.com/risk-reliability-and-availability-analysis?hsLang=en) [![nuclear-icon](https://www.riskspectrum.com/hubfs/site-assets/nuclear-icon.svg)](https://www.riskspectrum.com/probabilistic-safety-assessment-psa?hsLang=en) ##### Probabilistic Safety Assessement (PSA) RiskSpectrum software provides tools for analysing, quantifying, monitoring and managing risk for operators in safety-critical industries . Read more about the tools that 60% of the world´s nuclear power plants use for continued safe operations.  [Learn More](https://www.riskspectrum.com/probabilistic-safety-assessment-psa?hsLang=en) ## **Latest News** ![PSA171](https://www.riskspectrum.com/hs-fs/hubfs/PSA171.jpg?width=1134&height=964&name=PSA171.jpg) **RiskSpectrum PSA 1.7 has been released! Join the online presentation on 28 October!** We are happy to announce that RiskSpectrum PSA version 1.7 has been released. It includes improvements from a methodological perspective, from model visualization perspective and from an IT perspective. And it also fixes some bugs. The main improvements are: - A new CCF method (BPM model) - Individual MCS values now also quantified with MCS-BDD - Memos are presented directly in the FT editor - Improvements to “Add subsequent event tree” - Risk Increase Factor improvement for groups (All, No CCF impact, Conditional) RiskSpectrum PSA 1.7.1 is the first official release and it includes RSAT version 4.1.1. .    ![riskspectrum white logo](https://www.riskspectrum.com/hs-fs/hubfs/riskspectrum%20white%20logo.png?width=150&height=71&name=riskspectrum%20white%20logo.png)   ##### Software Software - [RiskSpectrum PSA](https://www.riskspectrum.com/riskspectrum-psa) - [RiskSpectrum PSA Macro](https://www.riskspectrum.com/riskspectrum-psa-macro) - [RiskSpectrum ModelBuilder](https://www.riskspectrum.com/riskspectrum-modelbuilder) - [RiskSpectrum HRA](https://www.riskspectrum.com/riskspectrum-hra) - [RiskSpectrum RiskWatcher](https://www.riskspectrum.com/riskspectrum-riskwatcher) - [RiskSpectrum SDP](https://www.riskspectrum.com/riskspectrum-sdp) - [RiskSpectrum I&AB](https://www.riskspectrum.com/riskspectrum-iab) - [R-DAT](https://www.riskspectrum.com/r-dat) ##### Solutions Solutions - [Probabilistic Safety Assessment (PSA)](https://www.riskspectrum.com/probabilistic-safety-assessment-psa) - [Reliability & Availability Assessment](https://www.riskspectrum.com/risk-reliability-and-availability-analysis) ##### Resources Resources - [Downloads & Resources](https://www.riskspectrum.com/downloads-resources) - [Training](https://www.riskspectrum.com/training) - [Contact Us](https://www.riskspectrum.com/contact) - [Privacy Policy](https://www.riskspectrum.com/privacy-policy) © 2026 RiskSpectrum Return to top