Best Free Application Development Software - Page 4
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Compare the Top Free Application Development Software as of May 2026 - Page 4
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1
TestMu AI
TestMu AI (Formerly LambdaTest)
TestMu AI (Formerly LambdaTest) is a Full Stack Agentic AI Quality Engineering platform that empowers teams to test intelligently and ship faster. Engineered for scale, it offers end-to-end AI agents to plan, author, execute, and analyze software quality. AI-native by design, the platform enables testing of web, mobile, and enterprise applications at any scale across real devices, real browsers, and custom real-world environments.Starting Price: $19.00/month -
2
GitGuardian
GitGuardian
GitGuardian is an end-to-end NHI security platform that empowers software-driven organizations to enhance their Non-Human Identity (NHI) security and comply with industry standards. With attackers increasingly targeting NHIs, such as service accounts and applications, GitGuardian integrates Secrets Security and NHI Governance. This dual approach enables the detection of compromised secrets across your dev environments while also managing non human identities and their secrets lifecycle. The platform supports over 450+ types of secrets, offers public monitoring for leaked data, and deploys honeytokens for added defense. Trusted by over 600,000 developers, GitGuardian is the choice of leading organizations like Snowflake, ING, BASF and Bouygues Telecom for robust secrets protection.Starting Price: $0 -
3
Appy Pie
Appy Pie
Appy Pie is an intuitive mobile app development solution that enables users to create an apple in three easy steps, without coding. This do it yourself (DIY) application builder allows users to develop stunning iPhones and Android apps using easy to integrate plugins and powerful features such as hyper local integration, push notifications, CRM integration, real estate IDX, virtual and augmented reality, app analytics, and more. -
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People Data Labs
People Data Labs
We build workforce data, so you don't have to. People Data Labs provides comprehensive workforce profiles built with quality, coverage, and depth in mind. We collect, standardize, and refresh data, so you can build innovative products.Starting Price: $0 for 100 API Calls -
5
Visual Studio Code
Microsoft
Visual Studio Code (VS Code) is Microsoft’s open-source AI code editor designed to make coding faster, smarter, and more collaborative. It supports thousands of extensions and nearly every programming language, offering developers a lightweight yet powerful environment for writing, testing, and debugging code. With AI-powered features like GitHub Copilot, Next Edit Suggestions, and Agent Mode, VS Code helps you code with precision, automate complex tasks, and streamline development workflows. It integrates seamlessly with cloud services, remote repositories, and tools like Git, Docker, and Azure. The editor is fully customizable, allowing you to personalize your layout, color themes, and keyboard shortcuts. Whether coding locally or in the browser, VS Code delivers a complete development experience for individuals and teams alike.Starting Price: Free -
6
Google Chrome
Google
Google Chrome is a fast, secure, and user-friendly web browser designed to help people get more done online. Built by Google, Chrome combines speed, performance, and simplicity across desktop and mobile devices. The browser includes built-in AI features like Gemini in Chrome, which helps users understand content, manage tasks, and work more efficiently directly from their tabs. Chrome integrates powerful tools such as Google Search, Google Lens, and autofill to streamline everyday browsing. Advanced security features like Safe Browsing, Password Manager, and Safety Check help protect users from threats and keep data secure. Chrome syncs seamlessly across devices, allowing access to bookmarks, passwords, and tabs anywhere. With frequent automatic updates, Chrome stays optimized with the latest features and performance improvements.Starting Price: Free -
7
Buddy
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.Starting Price: $75 per month -
8
Notion
Notion Labs
Notion is a highly versatile and collaborative workspace designed to help individuals and teams manage documents, wikis, projects, and tasks efficiently. It offers a wide array of features like customizable views for workflows, project tracking, and document creation, all within a single platform. Notion allows users to create a shared knowledge base, organize notes, and collaborate seamlessly on content creation. Additionally, its built-in AI assistance features help users summarize, write, and instantly search for relevant content, significantly enhancing productivity. The platform integrates effortlessly with other popular apps such as Slack, Google Drive, and Trello, providing a seamless experience for teams looking for an all-in-one platform to manage their projects, goals, and knowledge in an organized, collaborative environment.Starting Price: $12/user/month -
9
Postman
Postman
The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.Starting Price: $12 per user per month -
10
Zapier
Zapier
Zapier is an AI-powered automation platform designed to help teams safely scale workflows, agents, and AI-driven processes. It connects over 8,000 apps into a single ecosystem, allowing businesses to automate work across tools without writing code. Zapier enables teams to build AI workflows, custom AI agents, and chatbots that handle real tasks automatically. The platform brings AI, data, and automation together in one place for faster execution. Zapier supports enterprise-grade security, compliance, and observability for mission-critical workflows. With pre-built templates and AI-assisted setup, teams can start automating in minutes. Trusted by leading global companies, Zapier turns AI from hype into measurable business results.Starting Price: $19.99 per month -
11
IntelliJ IDEA
JetBrains
IntelliJ IDEA is a professional-grade integrated development environment (IDE) primarily designed for Java and Kotlin development. It helps developers write code faster by automating routine tasks and providing smart coding assistance. The IDE supports the full software development lifecycle, from design and coding to testing and deployment. IntelliJ IDEA stays up to date with the latest language features, such as full support for Java 24 and Kotlin K2 mode. It offers a smooth and enjoyable workflow that helps developers stay focused and productive. The platform also emphasizes data privacy and security, complying with industry standards like SOC 2.Starting Price: $19.90 per user per month -
12
Site Search 360
Zoovu (Germany) (formerly SEMKNOX)
Site Search 360 is a smart, ad-free search bar for your website. With a simple drag-and-drop integration, get your search up and running in no time! Let your visitors find exactly what they are looking for, right away. Features of Site Search 360 include: - Quick and easy visual configuration - Autocomplete and search suggestions - Low-to-no-code Search Designer for a customized search UX/UI - Faceted search results (filters) - Semantic search: built-in dictionaries in 19 languages + the ability to add your custom synonyms - In-depth Analytics to help you get the most out of your search: what your visitors look for the most, what results they click on, what queries bring no results, etc. - Full control over search results: boost, reorder, redirect them in no time with our low-to-no-code Result Manager - Integration with Google Analytics and Google Tag Manager - Import of Google Custom Search promotions - Awesome support: via live chat, email, or phoneStarting Price: $9.00/month -
13
Sublime Text
Sublime HQ
A sophisticated text editor for code, markup and prose. Use Goto Anything to open files with only a few keystrokes, and instantly jump to symbols, lines or words. Make ten changes at the same time, not one change ten times. Multiple selections allow you to interactively change many lines at once, rename variables with ease, and manipulate files faster than ever. The Command Palette holds infrequently used functionality, like sorting, changing the syntax and changing the indentation settings. With just a few keystrokes, you can search for what you want, without ever having to navigate through the menus or remember obscure key bindings. Sublime Text has a powerful, Python API that allows plugins to augment built-in functionality. Package Control can be installed via the command palette, providing simple access to thousands of packages built by the community.Starting Price: $80 one-time fee -
14
GitHub
GitHub
GitHub is the world’s most secure, most scalable, and most loved developer platform. Join millions of developers and businesses building the software that powers the world. Build with the world’s most innovative communities, backed by our best tools, support, and services. If you manage multiple contributors , there’s a free option: GitHub Team for Open Source. We also run GitHub Sponsors, where we help fund your work. The Pack is back. We’ve partnered up to give students and teachers free access to the best developer tools—for the school year and beyond. Work for a government-recognized nonprofit, association, or 501(c)(3)? Get a discounted Organization account on us.Starting Price: $7 per month -
15
HubSpot Operations Hub
HubSpot
As companies scale, systems break. Every team builds their own process, data gets siloed, and efficiency tanks. To grow better, operations teams need the tools that make them central to growth — not an afterthought. Whether you’re part of a central RevOps team or run Ops for a single department, Operations Hub gives you a unified toolset that connects apps, cleans customer data, and automates business processes under one central CRM platform. The result? An efficient, aligned, and adaptable business that delivers a friction-free customer experience. Keep your apps and data in sync in an easy, no-code package. Get bidirectional sync, custom field mappings, filtering, and historical syncing so all your teams stay aligned. Eliminate time-consuming data cleanup. Automatically fix date properties, format names, and more with new out-of-the-box automations. Enjoy the flexibility to store and customize all your data in HubSpot.Starting Price: $50 per month -
16
Mozilla Firefox
Mozilla
Mozilla Firefox is a free, open-source web browser developed by the Mozilla Foundation, a non-profit organization dedicated to internet health and privacy. Designed to prioritize user privacy and security, Firefox offers features like Total Cookie Protection, which provides outstanding privacy by default. The browser includes tools such as Firefox View, allowing users to see tabs open on other devices and access recent history, and built-in PDF editing capabilities, enabling form edits directly within the browser. Available across various platforms, including Windows, macOS, Linux, Android, and iOS, Firefox ensures a consistent and secure browsing experience. Its commitment to user-centric development and transparency makes it a preferred choice for those seeking a trustworthy alternative to proprietary browsers.Starting Price: Free -
17
ElectroNeek
ElectroNeek Robotics
ElectroNeek is an Intelligent Automation Platform transforming business process management in enterprises by integrating AI bots with employee workflows, automating routines, and helping humans to focus on more creative and strategic tasks. ElectroNeek provides a wide range of exciting low-code automation tools based on RPA, IDP, AI and GPT-4 (Conversational and Generative) technologies.Starting Price: $1450/month -
18
ProProfs Knowledge Base
ProProfs
ProProfs Knowledge Base is a knowledge management software used to create highly-searchable online FAQ’s to improve customer service and reduce tickets. ProProfs helps centralize access to all your files, documents and how-to articles ensuring they can be accessed across multiple devices and platforms. Organizations can easily share important information to train their sales, customer service and support teams. It is also an effective method for introducing new hires to company procedures during the onboarding process. ProProfs Knowledge Base improves productivity by making it easy for employees and customers to instantly find what they're looking for, whenever and wherever they need it. ProProfs Knowledge Base Software eliminates the need to answer the same questions over and over again.Starting Price: $6 per user per month -
19
Figma
Figma
Where teams design together. Figma helps teams create, test, and ship better designs from start to finish. Fast and powerful, just like your work. Packed with design features you already love plus unique inventions like the Arc tool and Vector Networks, Figma helps you keep the ideas flowing. No need to stop to install, save, or export. It’s what any good cloud software should be. Bring your ideas to life faster in animated prototypes that feel like the real thing. Get insights from users and test concepts earlier and more often. Share a link to your design files or prototypes, and get feedback in context. Or, jump into the same file with your teammates—no matter where y’all are in the world—and co-edit live. Create a scalable design system that’s accessible for your organization and easy for you to manage. When all designers are speaking the same language, everyone’s more empowered to do their best work.Starting Price: $12.00/month/user -
20
Expertrec
Expertrec
Expertrec lets you add a custom AI search engine to your website/online store without any coding. It has a powerful control panel that lets you customise the look and feel of your search engine to match the theme of your website. It is able to injest your site/product data and answer questions. powerful merchandising options allows you to control ranking order. Prompt tweaks to infuse and guide the AI. Features: - Agentic AI search - Autocomplete - Spell correction - Voice search - Search as you type - Faceted search - PDF, XLS, DOCs search - Indexing behind login pages - Integrates across all major CMS platforms. WordPress / Joomla / Drupal/ Woocommerce/Shopify and more. - Multiple languages supported - Low latency high speed search Rated the best solution in our Category, with the highest customer ratings and success rates. Most cost-effective solution for your search needs.Starting Price: $49.00/month -
21
Qodo
Qodo
Qodo (formerly Codium) analyzes your code and generates meaningful tests to catch bugs before you ship. Qodo maps your code’s behaviors, surfaces edge cases, and tags anything that looks suspicious. Then, it generates clear and meaningful unit tests that match how your code behaves. Get full visibility of how your code behaves, and how the changes you make affect the rest of your code. Code coverage is broken. Meaningful tests actually check functionality, giving you the confidence needed to commit. Spend fewer hours writing questionable test cases, and more time developing useful features for your users. By analyzing your code, docstring, and comments, Qodo suggests tests as you type. All you have to do is add them to your suite. Qodo is focused on code integrity: generating tests that help you understand how your code behaves; finding edge cases and suspicious behaviors; and making your code more robust.Starting Price: $19/user/month -
22
Lunacy
Icons8
Lunacy is a vector graphic software for UI/UX and web design. It's faster than Figma, smarter than Sketch! Key features: * FREE for personal and commercial use * Runs on Windows, macOS, and Linux * WORKS ONLINE AND OFFLINE You can work both with cloud and local documents. It's up to you to choose. You can switch between the cloud and local modes whenever you want. * REAL-TIME COLLABORATION between users on different platforms * BUILT-IN GRAPHICS (Icons, Photos, Illustrations) and AI-POWERED TOOLS (Background remover, Image upscaler, Avatar & Text generators) * FULL SUPPORT of .SKETCH DOCUMENTS: Open, Edit, Save. * LOW SYSTEM REQUIREMENTS and MINIMUM LEARNING CURVE *NO BOUNDS Thanks to the native support for the Sketch format, you can use Lunacy with all major hand-off and version control tools like Avocode, Zeplin, Abstract, Simpli, etc. If it is necessary, you can easily import .sketch files to Figma or XD. -
23
Git
Git
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency. Git is easy to learn and has a tiny footprint with lightning fast performance. It outclasses SCM tools like Subversion, CVS, Perforce, and ClearCase with features like cheap local branching, convenient staging areas, and multiple workflows. You can query/set/replace/unset options with this command. The name is actually the section and the key separated by a dot, and the value will be escaped.Starting Price: Free -
24
Microsoft Azure
Microsoft
Microsoft's Azure is a cloud computing platform that allows for rapid and secure application development, testing and management. Azure. Invent with purpose. Turn ideas into solutions with more than 100 services to build, deploy, and manage applications—in the cloud, on-premises, and at the edge—using the tools and frameworks of your choice. Continuous innovation from Microsoft supports your development today, and your product visions for tomorrow. With a commitment to open source, and support for all languages and frameworks, build how you want, and deploy where you want to. On-premises, in the cloud, and at the edge—we’ll meet you where you are. Integrate and manage your environments with services designed for hybrid cloud. Get security from the ground up, backed by a team of experts, and proactive compliance trusted by enterprises, governments, and startups. The cloud you can trust, with the numbers to prove it. -
25
Ruttl
Brucira Softwares Pvt. Ltd.
ruttl is the fastest way for product, marketing, sales and support teams to collect visual feedback, collaborate, and manage ideas through tools like website feedback, bug tracking and mobile app feedback. Users can leave comments directly on live websites/apps and make real time edits so they can give precise change values to the developers. Currently, to review and track bugs on websites and mobile apps, people often resort to traditional methods such as taking screenshots, creating lengthy email threads, or having time-consuming meetings with developers. These methods can be frustrating and often lead to miscommunications and delays in the entire process. That's why we built ruttl! With its powerful features, users can now easily edit content, replace images, and make design changes to web elements while seamlessly sharing all kinds of changes that need to be implemented by developers. With over 15000+ users, ruttl has transformed the visual feedback process.Starting Price: $8/month/user -
26
Notepad++
Notepad++
Notepad++ is a free source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GNU General Public License. Based on the powerful editing component Scintilla, Notepad++ is written in C++ and uses pure Win32 API and STL which ensures a higher execution speed and smaller program size. By optimizing as many routines as possible without losing user friendliness, Notepad++ is trying to reduce the world carbon dioxide emissions. When using less CPU power, the PC can throttle down and reduce power consumption, resulting in a greener environment.Starting Price: Free -
27
Lucidchart
Lucid Software
Lucidchart is an advanced diagramming tool designed to help businesses and teams optimize their processes, systems, and workflows with intelligent, data-driven diagrams. The platform combines powerful AI features, such as AI-generated diagrams, data linking, and real-time collaboration, to make visualizing complex systems and architectures faster and more efficient. Lucidchart supports multiple use cases, including process maps, flowcharts, technical diagrams, organizational charts, and systems planning. Its seamless integrations with popular apps like Jira, Confluence, Slack, and Teams allow for enhanced collaboration, enabling teams to align on priorities and act on insights quickly. Lucidchart is the perfect tool for anyone looking to create professional diagrams in less time, while fostering better decision-making and innovation.Starting Price: $7.95/month/user -
28
Userback
Userback
Userback is the leading user feedback and bug tracking solution for software teams looking to understand users and build better products. With Userback, you can collect metadata-enriched visual feedback and gain deep insights into your user's sentiment and behavior with in-app surveys like NPS, CES, and CSAT metrics. Add deep context to any piece of feedback via full session replay features. Create user segments and track every user from the moment they log in. Survey only the cohorts that are important to you and understand your user experiences throughout the entire lifecycle from trial to churn. Wrap it all up with branded feature portals, and public roadmaps, and a centralized location for all your feedback to reduce feedback overhead by 70% and increase feedback closure times by 10X. No code? No problem. Start instantly with a code-free browser extension, perfect for internal QA and bug tracking.Starting Price: $7 per month -
29
Pdftools
PDF Tools
Whether you have thousands of documents or millions, Pdftools has the products and services to help make processing a breeze. Designed for document-heavy industries, Pdftools’ suite of SDKs and APIs are here to make your document workflows easier, faster, and stress-free. Built on SDKs and APIs, the Pdftools products integrate seamlessly into your existing (or new) systems and applications. Process thousands of documents every minute. Our tools are precision-engineered to be efficient and run at blazing speeds. We’re engineers at heart, so we’re only satisfied with the most reliable, orderly, and usable, and well-documented platforms. Shrink file sizes down, but keep the quality and interactivity. Your documents will always be compliant for long-term archiving. We’ve obsessed over every detail in our products, and documented everything so it’s easy to get started.Starting Price: $0/month/user -
30
Make
Make
Make is a visual platform for anyone to design, build, and automate anything—from tasks and workflows to apps and systems—without coding. SMBs, startups, scaleups, teams, and enterprises around the world use Make to scale their business faster than ever. Make enables people to connect and create workflows at the speed of their ideas. With Make, anyone can build like a developer, launching solutions across all industries and business areas at a fraction of the cost and time. Make allows teams to visualize, modify, and collaborate on processes that scale as quickly as their organization. Whether you’re integrating sales and marketing tools, automating a customer journey, improving business operations, or building a custom back-end system—creating on Make is powerful, intuitive, and playful. As our Maker community has shown us, when the experience of building sparks as much joy as the solution, there are no limits to what's possible.Starting Price: $9 per month
