Best Application Portfolio Management Software for Linux of 2026

CAST Highlight is a rapid software intelligence platform that delivers portfolio-level insights in minutes, helping organizations understand the true condition and modernization readiness of their applications. It evaluates every codebase for technical debt, fragility, resiliency gaps, cloud blockers, open-source vulnerabilities, and IP risk using automated code scanning and industry benchmarks. The platform distinguishes between structural issues that require remediation and low-impact debt that can be safely tolerated, enabling smarter investment decisions. CAST Highlight automatically identifies ideal migration paths to cloud-native services, complete with estimated effort and blockers to address. It also evaluates software sustainability by tracing code inefficiencies and estimating related CO₂ impact, allowing teams to prioritize greener development choices. Security, compliance, and third-party component risks are surfaced within minutes, not months. With clear dashboards and board-ready reporting, executives can instantly quantify progress, validate architectures, and track transformation KPIs. CAST Highlight empowers enterprises to modernize faster, cut risk, and strategically steer their software portfolios with evidence—not assumptions.

Heroix believes in simplifying IT monitoring. This helps our customers save time, money, and effort. Heroix has decades of experience in system management and knows what it takes for elegant, yet powerful IT solutions. Our all-inclusive agentless monitoring system, Longitude, covers the entire technology stack, from physical to virtual, cloud to cloud, server to server, network to server, IT infrastructure to application. Longitude is used in tens of thousands worldwide, in large and small enterprises. Longitude's intelligence and efficiency allow for better results and less effort. It also provides exceptional versatility to address unique management challenges and routine tasks, helping our customers save time as well as money. To learn more - access our online demo environment at https://go.heroix.com/longitude-live-demo-and-download

Axonius gives IT and security teams the confidence to control complexity by providing a system of record for all digital infrastructure. With a comprehensive understanding of all assets including devices, identities, software, SaaS applications, vulnerabilities, security controls, and the context between them, customers are able to mitigate threats, navigate risk, decrease incident response time, automate action, and inform business-level strategy — all while eliminating manual, repetitive tasks.