Compare the Top Application Modernization Software in the UK as of February 2026

What is Application Modernization Software in the UK?

Application modernization software helps organizations update legacy applications to meet modern performance, scalability, and security requirements. It supports initiatives such as cloud migration, refactoring, re-platforming, and containerization. The software often includes assessment tools, automation, and dependency mapping to reduce risk during modernization efforts. Many platforms integrate with cloud providers, DevOps pipelines, and infrastructure tools to streamline deployment and management. By modernizing applications, businesses can improve agility, reduce technical debt, and extend the value of existing systems. Compare and read user reviews of the best Application Modernization software in the UK currently available using the table below. This list is updated regularly.

  • 1
    Kissflow

    Kissflow

    Kissflow

    Kissflow is an easy-to-use, low-code platform for custom application development tailored to business operations. Kissflow empowers process owners and IT developers to automate and build processes and applications for internal business operations. We help solve two main challenges in the enterprise: The first is the custom application backlog. Enterprise IT teams say “not now” to most custom application requests from business teams. While important to a department, they aren’t vital enough to engage limited IT bandwidth. Kissflow gives internal developers a hyper-fast platform to build various applications quickly. The second is starting a citizen development program. Process owners are scattered throughout the organization and need a standard, approved, and governed way to build automated applications that are a step up from spreadsheets. With its simple no-code design, patented rules engine, and comprehensive governance module,
    Starting Price: $1500 per month
  • 2
    Appian

    Appian

    Appian

    Appian, the digital transformation platform, enables teams to build powerful applications 10x faster. Combining the speed of low-code development with industry-leading process management, Appian helps organizations keep their digital transformation journey on the fast track. Appian features a low-code development infrastructure with drag-and-drop, declarative and visual development, consistent user experience across all devices, integrations, instant deployment, and more.
    Starting Price: $75.00/month/user
  • 3
    Microsoft Power Apps
    Now everyone can quickly build and share low-code apps with Microsoft Power Apps. Increase agility across your organization by rapidly building low-code apps that modernize processes and solve tough challenges. Empower your team to start building and launching apps right away using pre-built templates, drag-and-drop simplicity, and quick deployment—then roll out continuous improvements as needed. Give everyone the power to build the apps they need with advanced functionality previously only available to professional developers—including pre-built AI components. Provide professional developers the tools to seamlessly extend app capabilities with Azure Functions and custom connectors to proprietary or on-premises systems. Connect your apps to hundreds of data sources using a library of more than 260 connectors and Common Data Service —bringing your data together for a single source of truth while you modernize processes as well as customize and extend Office 365, Dynamics 365 etc.
    Starting Price: $20 per user per app per month
  • 4
    K2View

    K2View

    K2View

    At K2View, we believe that every enterprise should be able to leverage its data to become as disruptive and agile as the best companies in its industry. We make this possible through our patented Data Product Platform, which creates and manages a complete and compliant dataset for every business entity – on demand, and in real time. The dataset is always in sync with its underlying sources, adapts to changes in the source structures, and is instantly accessible to any authorized data consumer. Data Product Platform fuels many operational use cases, including customer 360, data masking and tokenization, test data management, data migration, legacy application modernization, data pipelining and more – to deliver business outcomes in less than half the time, and at half the cost, of any other alternative. The platform inherently supports modern data architectures – data mesh, data fabric, and data hub – and deploys in cloud, on-premise, or hybrid environments.
  • 5
    OutSystems

    OutSystems

    OutSystems

    OutSystems is the number one low-code platform that is specifically designed to help users build and deliver better apps faster. Combining the power of low-code development with advanced mobile and enterprise integration capabilities, OutSystems enables users to visually develop and manage their entire application portfolio, stage interdependent apps and components, seamlessly integrate with existing systems, and streamline DevOps processes.
  • 6
    Mendix

    Mendix

    Mendix

    Mendix, a Siemens business and the global leader in enterprise low-code, is fundamentally reinventing the way applications are delivered in the digital enterprise. With the Mendix platform, enterprises can ‘Make with More,’ by broadening their development capability to conquer the software development bottleneck; ‘Make it Smart,’ by making apps with rich native experiences that are intelligent, proactive, and contextual; and ‘Make at Scale,’ to modernize core systems and build large app portfolios. The Mendix platform is built to promote intense collaboration between business and IT teams and dramatically accelerate application development cycles while maintaining the highest security, quality, and governance, in short, to help enterprises leap into their digital futures. The Mendix platform has been adopted by more than 4,000 leading companies around the world including Conoco Phillips, Business Development Bank of Canada, Post NL, Continental, Zurich Insurance, and
  • 7
    TCS MasterCraft TransformPlus

    TCS MasterCraft TransformPlus

    Tata Consultancy Services

    TCS MasterCraft™ TransformPlus is a cognitive transformation platform that provides clear visibility into core business applications, with an intelligent blueprint, and centralized knowledge repository, which is technology agnostic and implicit knowledge driven. Its automated conversion platform for modernization and faster roll outs, helps enterprises in their digital journey without business disruption. Cognitive code analysis based application knowledge repository with business rule externalization. A platform for designing and executing data transformation and migration for enterprises, especially during legacy application modernization. A solution for development of new digital applications using automatic code generation platform, based on model-based development. An automated migration platform for DB and language conversion, which accelerates application transformation.
  • 8
    Pega Platform

    Pega Platform

    Pegasystems

    Build fast now. Be ready for whatever comes next. No matter where you’re working, Pega makes teamwork easy with an intuitive, inclusive approach to app authoring. React quickly to changing needs by unifying users in one platform using low-code tools and developer-grade solutions. Foster innovation and manage low-code at scale across your organization from one comprehensive dashboard. Optimize efficiency by giving business users, developers, and IT what they need, when and where they need it. Accelerate application development by defining core app elements quickly and easily. Operationalize and manage low-code at scale across your organization from one comprehensive dashboard. Empower IT to ensure every app is created within organizational guardrails. Deliver app experiences that are relevant today – and ready to scale into the future. Pega’s UX framework is purpose-built for your developers, employees, and customers.
  • 9
    Finsemble
    Finsemble enables software engineers to create smart desktop applications that allow apps of all types to sync, link, and share info. Our product is a scaffolding for you to build upon immediately with out of the box integrations that allow your team work on Angular, React and other frameworks they know & love. Our software development kit allows you to deliver a smart desktop to users faster than the competition. Because we discovered and solved complex development problems for you, applications can begin sharing information right away and customized workspaces can be quickly assembled. With Finsemble, experience a new way to work within a truly unified desktop environment. Communication between any type of application (modern or legacy, in-house or third party) extends across multiple windows and monitors. Connected applications can solve a variety of business problems. How can we help you shape a new way to work?
  • 10
    IBM Cloud Pak for Applications
    IBM Cloud Pak® for Applications helps you modernize existing applications, embed additional security, and develop new apps that unleash digital initiatives. It offers cloud-native development solutions that can quickly deliver value, along with flexible licensing that can be tailored to your specific needs. On public clouds, on-premises or on a private cloud, run your applications where and how they work best for your business. We’ll provide the tools to sync them to Red Hat® OpenShift® on IBM Cloud®, a unified Kubernetes platform built on open-source standards. We'll also support them no matter where they run. Moving to the cloud doesn't mean that you'll build everything from the ground up. Instead, you can modernize traditional applications to increase their flexibility and scalability. Get an analysis of your apps with recommendations for what to modernize first and how to transform.
  • 11
    IBM App Discovery Delivery Intelligence
    IBM® Application Discovery and Delivery Intelligence (ADDI) is an analytical platform for application modernization. It uses cognitive technologies to analyze mainframe applications and quickly discover and understand the interdependencies of changes. Enhance mainframe applications rapidly to help drive revenue. Gain back your investment and start reaping returns quickly. Better understand application complexity to anticipate issues and cut app/development costs. Evolve systems and applications rapidly to take advantage of hybrid cloud. Accelerate your digital transformation with application insights that increase productivity and reduce risk. Use rapid analysis capabilities to discover the relationships between the components of your IBM z/OS® applications and understand the impact of potential change. Quickly find business rules, code snippets and APIs so that you can leverage them to support your business processes.
  • 12
    DataVantage

    DataVantage

    DataVantage

    ​DataVantage offers comprehensive data management solutions designed to secure and manage sensitive information across mainframe and distributed environments. Key offerings include DataVantage for IMS, Db2, and VSAM, which provide advanced data masking, editing, and extraction capabilities to protect Personally Identifiable Information (PII) during non-production processes. DataVantage DME (Data Masking Express) offers cost-effective, on-the-fly data masking for Db2, IMS, and VSAM environments, ensuring compliance without disrupting existing workflows. For distributed systems, DataVantage Global delivers robust data masking, obfuscation, and de-identification, supporting compliance and operational efficiency across platforms. Additionally, DataVantage Adviser simplifies COBOL file management post-mainframe rehosting or application modernization, enhancing data accessibility and editing.
  • 13
    AWS Transform
    AWS Transform is an agentic AI service from Amazon Web Services that automates and accelerates the modernization of legacy workloads, specifically .NET, mainframe, and VMware environments. Built on AWS’s migration and modernization experience, it deploys specialized AI agents to carry out tasks like assessment, code analysis, dependency mapping, refactoring, decomposition, validation, and planning, many of which run in parallel, to speed up large-scale transformations. Through a shared workspace and natural-language chat interface, cross-functional teams can collaborate, track progress, and manage modernization projects from end to end. AWS claims AWS Transform can make .NET apps port up to 4 times faster, greatly speed VMware configuration conversion, and compress mainframe migration timelines (years down to months), while also helping reduce legacy licensing, infrastructure cost, and ongoing maintenance expenses.
  • 14
    Carbon60

    Carbon60

    Carbon60

    Starting or continuing on your cloud journey, whether public, private or hybrid, is a complex undertaking. But no matter your company size or industry, our cloud consulting experts can help with end-to-end solutions to plan, migrate and operate your business in the cloud. Planning your cloud transformation can be a complex undertaking. Whether you’re interested in big data, Kubernetes enablement, application modernization or security, Cloud Launchpad will get you there faster. Our enterprise-managed cloud services will give you 24/7 peace of mind, with full support to ensure your mission-critical data is safe, and your cloud services remain secure, compliant, agile, reliable and fast. Chart a new course for your IT environment with a Cloud Readiness Assessment. With a proven process, we take into consideration your technology, people and business strategy and tailor a public, private or hybrid cloud environment that will set your organization up for success.
  • 15
    ORMIT™-Analyzer
    Oracle Forms Code Analysis Tool: Customized Oracle Forms/Reports application development brings high levels of flexibility but with years of code maintenance and modifications, your application code documentation is obsolete 90% of the time. Our state of the art Oracle validated ORMIT-Analyzer tool helps understand the existing development patterns and to find opportunities to simplify the source code. The objective is to obtain detailed information on the possibilities and challenges to enable a more “future-ready” software architecture by separating the software architectural components: User-Interface, Business Logic and Database. ORMIT-Analyzer also helps prepare a potential application modernization project with the objective to protect the investment in the existing business logic and to achieve easier maintainable, more modern software architecture.
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