Best Application Development Software in the UK of 2025

Appsmith

Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.

67 Ratings

Starting Price: $0.4/hour/user

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Cortex

Cortex's internal developer portal (IDP) helps engineering teams drive adoption of best practices, improve visibility into services and infrastructure, and accelerate engineering productivity. With Cortex, engineering organizations can codify standards, manage service maturity, and reduce operational overhead, empowering developers to ship faster and more reliably. Trusted by high-performing engineering organizations, Cortex integrates seamlessly with existing tools to provide a centralized, actionable view of service health and ownership. • Within minutes, determine who owns each service with Cortex’s AI service ownership model across thousands of repositories. • Standardize golden paths using Workflows, enabling teams to scaffold new services & provision infrastructure in minutes. • Consistently uphold best practices and standards across your organization with automated Scorecards and targeted Initiatives. • Make informed, impactful actions based on real-time insights.

3 Ratings

Starting Price: Custom

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Localazy

Localazy is a localization automation platform and powerful CAT tool. Speak everyone's language and expand your user base. Manage translations and enjoy both standard & innovative localization features. Tailor-made for growing apps and established businesses alike. Integrate Localazy to your build chain (Github Actions, Bitrise, CI/CD) and forget about all the hassle. Never touch localizable files again 😏. 👨🏽‍💻 UX built around developer productivity ➡️ Instant&free translations available ➡️ Unlimited apps (public & private) ➡️ Unlimited localization features ➡️ Unlimited languages & translations ➡️ Unlimited machine translations ➡️ Save money with shared translations ➡️ All integrations & formats ➡️ One-time payment for source phrase quota available

49 Ratings

Starting Price: $39

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Intellimas

Singletree Technologies

Intellimas is a highly configurable, no code/low code solution with spreadsheet features. This allows you to build a variety of web applications that end users will love. Intellimas is built for fast data entry, analytics, exception management, and easy retrieval of live data from other systems, if required. The grid UI allows for an easy transition from spreadsheets. This comprehensive view, along with our new form view, provide you with the flexibility to handle unlimited end uses. Intellimas is deployed on-premise or in the cloud. Companies typically implement Intellimas for one business application and usually find several others for it in a short period of time. Reach out to us for a demo and ask us about our free trial!

Starting Price: $38/Month

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Rayven

Rayven's a full-stack, no/low-code platform that lets anyone build powerful apps, AI tools, and automations - fast. It's simple, scalable, and works with your existing technologies. Start building on our free-forever plan using AI prompts, drag-and-drop tools, templates, or code (when you want) to: - Build apps + automations in minutes using templates or from scratch - Connect systems, unify data, and integrate AI into your workflows - Modernise processes without replacing legacy tech or adding risk - Enable IT, Developers, DevOps, Ops, and Product teams to work from the same platform Rayven is designed for developers and non-technical users alike; giving you the all-in-one, low-cost tool to get from idea to outcome, fast. Start for free at rayven.io

Starting Price: $0

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Convertigo

Convertigo SA

Convertigo is the first open source Enterprise Grade Low Code / No Code platform to accelerate your Enterprise digitalization for reasonable costs. Dream an App, Make an App! Imagine you can make any app you want. From simple handy workforce apps to Enterprise grade multi-device transactional applications helping companies to accelerate their business. Get live sooner! Convertigo Low Code platform application development makes your Enterprise to get business success more efficient, delivering complete applications, similar to Pro Code but faster and cheaper. Reduce by 90% time and money needed to build and deploy business applications running on all type of devices such as smartphones, tablets and PCs whatever operating systems they are running on. Enjoy Open Source! This means that you can use Convertigo Community Edition Free of Charge. Open Source also solves the Vendor Lock-in paradigm by allowing you to quit the platform and still enjoy running your apps

Starting Price: $15 per month / user

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Intrexx

United Planet GmbH

Low-code allows you to create a comprehensive, integrative solution that makes your work processes agile and adaptable at any time in the future. As a result, you save time and energy without having to do without tailored, coherent and seamless solutions. Therefore, low-code really is the best of both worlds because it harmonizes simple development and individuality. Your path to a successful digital future with low-code development.

76 Ratings

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MirrorFly

CONTUS TECH

MirrorFly is a CPaaS platform that empowers businesses and enterprises to add real-time chat features into their existing applications and websites. MirrorFly CPaaS offers text, voice, video, and broadcasting in an enterprise-grade infrastructure. Startups and large enterprises can build their own chat app with extensive customization and branding capabilities to add logos, brand color, and other brand elements. The self-hosted Chat APIs and SDKs offer 1000+ in-app messaging features with 100% customization. In addition, MirrorFly offers a dedicated developer team to support the end-to-end custom chat app development process. MirrorFly Readymade SDKs: 1. In-app Chat API 2. HD Video Call Solution 3. HQ Voice Call SDK 4. Self-hosted Chat Messaging Solution 5. SIP & VoIP Call Solution 6. Flutter Flow Software 7. Activity Feeds Solution 8. Call Broadcasting 9. Video Conferencing API 10. Video KYC Solution 11. Live Streaming SDK

47 Ratings

Starting Price: $299 per month

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Jira

Atlassian

Jira is the only project management tool you need to plan and track work across every team. Jira by Atlassian is the #1 software development tool for teams planning and building great products. Trusted by thousands of teams, Jira offers access to a wide range of tools for planning, tracking, and releasing world-class software, capturing and organizing issues, assigning work, and following team activity. It also integrates with leading developer tools for end-to-end traceability. From short projects, to large cross-functional programs, Jira helps break big ideas down into achievable steps. Organize work, create milestones, map dependencies and more. Link work to goals so everyone can see how their work contributes to company objectives and stay aligned to what’s important. Your next move, suggested by AI. Atlassian Intelligence takes your big ideas and automatically suggests the tasks to help get it done.

44 Ratings

Starting Price: Free

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Buddy

Buddy is a revolutionary build, test & deploy tool with dozens of integrations and over 100 ready-to-use actions. From website delivery to app deployments, from builds to test, Buddy turns the tedious part of every project into a breeze. Buddy is the most effective way to build better apps faster. Even the most complicated CI/CD workflows take minutes to create. Buddy is DevOps adoption winner. Smart changes detection, state-of-the-art caching, parallelism, and all-around optimizations make Buddy the fastest. Docker, Kubernetes, Serverless and Blockchain are always a click away from your stack. Buddy is minimal friction automation platform that makes DevOps easy for developers, designers and QA teams. With Buddy, your apps & websites are built, tested and deployed significantly faster after only minutes of setup.

25 Ratings

Starting Price: $75 per month

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IntelliJ IDEA

JetBrains

IntelliJ IDEA is a JetBrains IDE for professional development in Java and Kotlin. It unlocks productive development and helps you write high-quality code with ease. Built to get the job done, it provides all of the essential tools and cutting-edge technology support you need. With a smooth, comfortable workflow and a strong focus on privacy and security, it lets you code with confidence and pleasure.

22 Ratings

Starting Price: $16.90 per user per month

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Comidor

Comidor is a cutting-edge Low-code, Intelligent Automation Platform that enables fast-growing businesses to orchestrate, automate, and autonomize their operations. The platform combines low-code/no-code application development, BPM, workflow automation, RPA, AI, and ML, driving intelligent transformation. • High-productivity Low-Code Application Designer that enables business users with no coding knowledge to design, build, and deliver business applications with minimal effort at high speed. • Intelligent Automation that integrates BPM and Workflow Automation with RPA and AI/ML to streamline, optimize, and automate end-to-end processes • Application Marketplace with a wide variety of ready-to-use business apps suitable for every business need, such as Enterprise Collaboration, Project Management, HR Automation, CRM & Sales, Document Automation, Finance & Accounting. • Digital Workplace that provides a modern digital business environment where people and bots work together

12 Ratings

Starting Price: $9.00/month/user

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Omnis Studio

Omnis Software Ltd

Omnis Studio is a cross platform application development environment. Omnis Studio allows application developers and programmers to write application code and business logic once, and deploy their applications on virtually any platform or device, including desktop PCs on Windows and macOS, as well as tablets and phones on iOS, Android and Windows. Support for a large range of client devices is enabled using the Omnis JavaScript Client, a unique JavaScript based technology for rendering the application UI and web forms in a standard web browser on desktops and mobile devices. The integration of data and services is available in Omnis Studio via REST based Web Services, and functionality can be extended within Omnis Studio by utilizing its powerful and flexible external components API. Omnis is headquartered in the UK and has subsidiaries in USA, France and Germany and distributors for many other parts of the world.

5 Ratings

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1C:Enterprise

1C Company

1C:Enterprise is a universal rapid application development platform for building and delivering business management and accounting solutions in HORECA, Retail, Manufacturing, Logistics, Finance, and other industries. It has the breadth of capability to address the diverse needs of today’s business through building solutions in a low-code environment. The 1C:Enterprise platform enables developers to rapidly build business applications of any complexity, from the most straightforward single-developer products to advanced ERP systems. 1C:Enterprise applications run on desktop, mobile, and web. The platform automatically adapts applications to the required OS, browser, and DBMS. Due to the support of multiple open standards (ODBC, REST API, OData, XML, JSON, COM, SOAP, HTTP, etc.), 1C:Enterprise applications easily integrate with any software and hardware, including equipment from various vendors.

3 Ratings

Starting Price: $200

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Neptune DXP

Neptune Software

Neptune Software's leading low-code app development platform - Neptune DXP – digitizes and optimizes business processes and user interfaces – at scale and with ease. Neptune DXP offers enterprise mobility, as well as the best low-code app development for SAP customers with the choice of no-code/low-code app development. The platform gives IT departments the right tools to build the apps they need. Neptune DXP provides a fast, cost-effective, and future-proof way to industrialize the development of custom applications (especially SAP Fiori, SAP mobile applications), turning your IT organization into an app factory, saving time and money on enterprise app development, app integration, and enterprise app operations.

2 Ratings

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Felgo

FELGO GmbH

Felgo is a cross-platform SDK for rapid, native app & game development for iOS, Android, Desktop & Embedded. Felgo’s biggest advantage is the big time savings and the easiness to learn compared to other development SDKs. You write less source code and make use of a single code base for all platforms. Less code means fewer bugs and faster releases of new updates from a single team for all platforms. Key Features for Mobile & Desktop: • Create stunning UIs and animations to wow your users and rank higher in the app stores. • Code & time savings up to 80% thanks to the reactive & declarative language and 200+ APIs. Key Features for Embedded: • Create high performance embedded system apps & second screen apps. • Native performance and rapid UI creation, powered by C++ & JavaScript. Felgo is an official Qt Technology Partner. Felgo is in use by over 50.000 developers worldwide and field-proven by Fortune 500 companies across all kinds of industries.

1 Rating

Starting Price: Free for personal usage.

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Red Hat OpenShift Dev Spaces

Red Hat

Built on the open Eclipse Che project, Red Hat OpenShift Dev Spaces uses Kubernetes and containers to provide any member of the development or IT team with a consistent, secure, and zero-configuration development environment. The experience is as fast and familiar as an integrated development environment on your laptop. OpenShift Dev Spaces is included with your OpenShift subscription and is available in the Operator Hub. It provides development teams a faster and more reliable foundation on which to work, and it gives operations centralized control and peace of mind. Get coding today with our free Developer Sandbox for Red Hat OpenShift, which includes OpenShift Dev Spaces to try out at no cost. Developers can focus more on coding, with their application and development environment containerized and running on OpenShift - all without needing to understand the details of Kubernetes. Administrators can easily manage and monitor workspaces as any other Kubernetes resource.

1 Rating

Starting Price: $30 per month

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Ambassador

Ambassador Labs

Ambassador Edge Stack is a Kubernetes-native API Gateway that delivers the scalability, security, and simplicity for some of the world's largest Kubernetes installations. Edge Stack makes securing microservices easy with a comprehensive set of security functionality, including automatic TLS, authentication, rate limiting, WAF integration, and fine-grained access control. The API Gateway contains a modern Kubernetes ingress controller that supports a broad range of protocols including gRPC and gRPC-Web, supports TLS termination, and provides traffic management controls for resource availability. Why use Ambassador Edge Stack API Gateway? - Accelerate Scalability: Manage high traffic volumes and distribute incoming requests across multiple backend services, ensuring reliable application performance. - Enhanced Security: Protect your APIs from unauthorized access and malicious attacks with robust security features. - Improve Productivity & Developer Experience

1 Rating

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JFrog Artifactory

JFrog

The Industry Standard Universal Binary Repository Manager. Supports all major package types (over 27 and growing) such as Maven, npm, Python, NuGet, Gradle, Go, and Helm including Kubernetes and Docker as well as integration with leading CI servers and DevOps tools that you already use. Additional functionalities include: - High Availability that scales to infinity with active/active clustering of your DevOps environment and scales as business grows - On-Prem, Cloud, Hybrid, or Multi-Cloud Solution - De Facto Kubernetes Registry managing application packages, operating system’s component dependencies, open source libraries, Docker containers, and Helm charts with full visibility of all dependencies. Compatible with a growing list of Kubernetes cluster providers.

1 Rating

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Bonita

Bonitasoft

Bonitasoft fully supports digital operations and modernization of information systems with Bonita, an open-source and extensible platform for automation and optimization of business processes. The Bonita platform accelerates development and production with a clear separation between capabilities for visual programming and those for coding. BPMN graphical notation, full extensibility, and reusable components allow smooth collaboration among the different profiles on the IT team, and with the business teams. Bonita integrates with existing information systems, orchestrates heterogeneous systems, and provides deep visibility across all enterprise processes. CIOs can ensure an incremental and controlled evolution of enterprise applications, systems, and business processes. Meet Bonita Process Insights, and get deep visibility into all processes automated with the Bonita platform. Align your processes with your business goals, and make data-driven decisions.

1 Rating

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Enterprise Architect

Sparx Systems

Enterprise Architect is an enterprise wide solution to visualize, analyze, model, test and maintain all of your systems, software, processes, and architectures. Enterprise Architect is the ideal platform to help you to stay in control of your workspace, support your colleagues and team, enable collaboration and build confidence within your most complex projects.

1 Rating

Starting Price: $229

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Travis CI

The simplest way to test and deploy your projects in the cloud or on-prem. Easily sync your projects with Travis CI and you’ll be testing your code in minutes. Check out our features – now you can sign up for Travis CI using your Assembla, Bitbucket, GitHub or GitLab account to connect your repositories! Testing your open-source projects is always 100% free! Log in with your cloud repository, tell Travis CI to test a project, and then push. Could it be any simpler? Many databases and services are pre-installed and can be enabled in your build configuration. Make sure every Pull Request to your project is tested before it’s merged. Updating staging or production as soon as your tests pass has never been easier! Builds on Travis CI are configured mostly through the build configuration stored in the file .travis.yml in your repository. This allows your configuration to be version controlled and flexible.

1 Rating

Starting Price: $63 per month

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MuleSoft Anypoint Platform

MuleSoft

Anypoint Platform by MuleSoft is a complete hybrid enterprise integration platform for SOA, SaaS, and APIs. With AnyPoint, developers can access a wide range of tools that enables them to design, build, and manage the entire lifecycle of their APIs, applications and products. Anypoint Platform is built with open technologies, with Mule as its core runtime engine.

1 Rating

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RAD Studio

Embarcadero

The Ultimate RAD environment loved by developers for quickly building high-performance native cross-platform applications in modern C++ and Delphi using powerful visual design tools and integrated toolchains. Smarter code navigation when refactoring. Auto code completion with Tab key. LSP awareness of Include files. Auto restart of LSP server. Class helper support. Array suggestions when assigning arrays. Inactive code highlighting in Code Editor. High-DPI support in the IDE, with full support for the latest 4k+ monitors, and cleaner and sharper fonts and icons throughout. Improved FMX High-DPI support for Windows and Desktop with a visibly superior desktop UI. Reduces the complexities of rapidly building and deploying a multi-tier turn-key enterprise REST API application server with Swagger support.

1 Rating

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Delphi

Embarcadero

Delphi is the ultimate IDE for creating cross-platform, natively compiled apps. Are you ready to design the best UIs of your life? Our award winning VCL framework for Windows and FireMonkey (FMX) visual framework for cross-platform UIs provide you with the foundation for intuitive, beautiful user interfaces that wow on every platform: Windows, macOS, iOS, and Android. Design your master UI layout once, then easily customize platform- and device-specific views without duplication of design effort. Drag-and-drop visual and non-visual components from the palette using our visual designer. Visually connect user interface elements to data sources using the LiveBindings Designer. Real-time design validation using Live On-Device Preview to broadcast the active form to multiple devices simultaneously. Add responsive design with resolution-aware components for desktop, tablets, and smartphones. Real, platform-specific native controls for an improved user experience.

1 Rating

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C++Builder

Embarcadero

C++Builder is a fast, integrated design and development suite for modern apps. Are you ready to design the best UIs of your life? Our award winning VCL framework for Windows and FireMonkey (FMX) visual framework for cross-platform UIs provide you with the foundation for intuitive, beautiful user interfaces that wow on every platform: Windows, macOS, iOS, and Android. Design your master UI layout once, then easily customize platform- and device-specific views without duplication of design effort. Drag-and-drop visual and non-visual components from the palette using our visual designer. Visually connect user interface elements to data sources using the LiveBindings Designer. Real-time design validation using Live On-Device Preview to broadcast the active form to multiple devices simultaneously. Add responsive design with resolution-aware components for desktop, tablets, and smartphones. Real, platform-specific native controls for an improved user experience.

1 Rating

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Scriptcase

Netmake

An efficient web development low-code platform. It helps you to create complete web systems and Business Intelligence solutions fast and easy! Scriptcase enables you to design, develop and elegant, responsive, database-driven applications using only your web browser. A powerful PHP generator for you to develop fast, simple, secure at a low cost. Connect with your database (MySQL, MariaDB, PostgreSQL, SQLite, Interbase, SQL Azure, Amazon Aurora, Firebird, Access, Oracle, MS SQLServer, DB2, SyBase, Informix or ODBC layer) and generate web applications based on your tables, simply and safely. Make the data access and maintenance an uncomplicated step! Scriptcase offers an XLS, CSV and ACCESS spreadsheet import and conversion features for the databases supported by Scriptcase. With this import tool you can easily transform your spreadsheets into system applications.

3 Ratings

Starting Price: $349

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DronaHQ

DronaHQ is a low-code platform to build internal tools and custom apps for the web and mobile. Developers and engineering teams use this platform to create admin panels, CRUD apps, GUI for Databases or APIs, forms, dashboards & operational apps. Key features include: - Customizable UI components - Mobile + Web app output - 10x faster app development - Seamless integration to any existing tech stack - Scalable cloud-based architecture - Over 50 Engineering Support Hours (UVP) - Free forever developer plans With 3000+ Apps built and 1 million+ users supported, DronaHQ is a platform trusted by global companies.

Starting Price: $0/month

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Betty Blocks

The number one platform to build advanced enterprise-grade applications: surprisingly easy, fast, and fun. The Betty Blocks platform is often used by corporate organizations, law firms, and legal teams to automate important business processes with bespoke applications, released in a rapid manner. The platform of Betty Blocks offers limitless solutions. From pre-built templates to personalized applications, we've got you! With use cases such as contract- and NDA generators, you can easily integrate document templates and define the variables you need to customize your documents. Our best-in-class integration with for example iManage, and Thomson Reuters HighQ, ensures our platform fits perfectly into your IT landscape. With Betty Blocks, you can lower your development lifecycle from months to weeks or even days! 100% in the cloud, 100% pushing your organization's needle on innovation.

Starting Price: $1500.00/month

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SDK.finance

SDK.finance is a white-label core payments platform, serving as a backbone for building fintech products on top. Available in cloud PaaS and on-premise with the source code license versions, the platform caters to businesses of all sizes - from startups seeking affordable software to SMBs and enterprises that need scalability and independence.

Starting Price: Contact us

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Best Application Development Software in the UK

Compare the Top Application Development Software in the UK as of June 2025

What is Application Development Software in the UK?

Appsmith

Cortex

Localazy

Intellimas

Rayven

Convertigo

Intrexx

MirrorFly

Jira

Buddy

IntelliJ IDEA

Comidor

Omnis Studio

1C:Enterprise

Neptune DXP

Felgo

Red Hat OpenShift Dev Spaces

Ambassador

JFrog Artifactory

Bonita

Enterprise Architect

Travis CI

MuleSoft Anypoint Platform

RAD Studio

Delphi

C++Builder

Scriptcase

DronaHQ

Betty Blocks

SDK.finance

Best Application Development Software in the UK

Compare the Top Application Development Software in the UK as of June 2025

What is Application Development Software in the UK?

Appsmith

Cortex

Localazy

Intellimas

Rayven

Convertigo

Intrexx

MirrorFly

Jira

Buddy

IntelliJ IDEA

Comidor

Omnis Studio

1C:Enterprise

Neptune DXP

Felgo

Red Hat OpenShift Dev Spaces

Ambassador

JFrog Artifactory

Bonita

Enterprise Architect

Travis CI

MuleSoft Anypoint Platform

RAD Studio

Delphi

C++Builder

Scriptcase

DronaHQ

Betty Blocks

SDK.finance

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