Best Free Application Development Software of 2025

Plaid

Plaid is a global data network that powers the tools millions of people rely on to live a healthier financial life. Our ambition is to facilitate a more inclusive, competitive, and mutually beneficial financial system by simplifying payments, revolutionizing lending, and leading the fight against fraud. Plaid works with over 12,000 companies including fintechs like Venmo and SoFi, several of the Fortune 500, and many of the largest banks to empower people with more choice and control over how they manage their money. Headquartered in San Francisco, Plaid’s network spans over 12,000 institutions across the US, Canada, UK and Europe.

113 Ratings

Starting Price: Free

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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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Interfacing Enterprise Process Center (EPC)

Interfacing Technologies

Interfacing’s Digital Twin Organization software provides transparency and Governance to improve Quality, Efficiency, and ensure Regulatory Compliance. Map, analyze, and automate processes, manage regulatory compliance, assess risks within a single platform! Interfacing’s digital twin solution (Enterprise Process Center - EPC) is an enterprise management system that helps companies digitalize processes to streamline operations, increase productivity, and continuously improve. Interfacing’s digital business platform – Rapid Application Development (RAD) Tools, with its Low-Code Development methodology will optimize usage of your technical resources and maximize transparency for ongoing improvement. Discover how our Low-Code Rapid Application Development module provides all the tools to create and deploy Custom, Scalable, Secure, and Mobile ready Applications in Days vs. Months!

55 Ratings

Starting Price: $10/month/user

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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.

24,200 Ratings

Starting Price: Free

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Cody

Sourcegraph

Cody, Sourcegraph’s AI code assistant goes beyond individual dev productivity, helping enterprises achieve consistency and quality at scale with AI. Unlike traditional coding assistants, Cody understands the entire codebase, enabling deeper contextual awareness for smarter autocompletions, refactoring, and AI-driven code suggestions. It integrates with IDEs like VS Code, Visual Studio, Eclipse, and JetBrains, providing inline editing and chat without disrupting workflows. Cody also connects with tools like Notion, Linear, and Prometheus to enhance development context. Powered by advanced LLMs like Claude Sonnet 4 and GPT-4o, it optimizes speed and performance based on enterprise needs, and is always adding the latest AI models. Developers report significant efficiency gains, with some saving up to six hours per week and doubling their coding speed.

87 Ratings

Starting Price: $0

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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.

13 Ratings

Starting Price: $0/month/user

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Aikido Security

Secure your code, cloud, and runtime in one central system. Aikido’s all-in-one security platform is loved by developers and security teams alike with full security visibility, insight in what matters most, and fast/automatic vulnerability fixes. Teams get security done with Aikido thanks to: - False-positive reduction - AI Autotriage & AI Autofix - Deep integration into the dev workflow (from IDEs and task managers to CI/CD gating) - Automated Compliance Aikido’s covers the entire Software Development Lifecycle (SDLC), including: static application security testing (SAST), dynamic application security testing (DAST), infrastructure-as-code (IaC), container scanning, secrets detection, open source license scanning (SCA), cloud posture management (CSPM), runtime protection, and more.

71 Ratings

Starting Price: Free

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Kochava

Advertisers worldwide use Kochava to measure what matters most across any channel, any device, and any audience. Founded in 2011 as one of the first mobile measurement partners (MMPs), Kochava now supports campaign measurement on mobile and beyond. Tap into multi-touch attribution, modern MMM, and always-on incremental measurement disciplines to achieve a data-driven, privacy-durable growth strategy. Know which omnichannel tactics drive customer acquisition and retention across connected devices. Key features include: omnichannel app attribution & analytics, cost & ROI measurement, deep linking, marketing data management & ETL support, ad fraud detection & prevention, and strategic services. The Kochava library of software development kits (SDKs) provide out-of-the-box measurement support across mobile, CTV, web, and other connected devices. Built-in integrations enable clients to activate and measure campaigns with thousands of ad networks, CTV platforms, publishers & more.

171 Ratings

Starting Price: FREE

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Sahi Pro

Tyto Software Pvt Ltd

Sahi Pro is a no-code test automation tool for web, desktop, mobile, and SAP applications. Sahi Pro empowers business testers and automation engineers to streamline their test automation processes. Sahi Pro reduces the time, effort, and complexity involved in test automation, making it an ideal choice for various domains including automobile, healthcare and BFSI. Features: 1. Non-flaky Test Execution - For reliable test results and reduced time wastage in analysis of false-positives or false-negatives. 2. Supports Multiple Technologies - Achieve end to end automation across technologies. 3. No-code Automation - Enable non-technical business testers to automate. 4. Integrations - Integrate and work with your existing ecosystem. Testers using Sahi Pro easily automate complex tests without writing code. With Sahi Pro, you can achieve faster release cycles, improved software quality, & reduced costs. Our customers love Sahi Pro for its speed, flexibility, and ease of use.

60 Ratings

Starting Price: $1499/year/user

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Thinfinity Workspace

Cybele Software, Inc.

Thinfinity® Workspace 7 is a comprehensive, secure platform that offers a zero-trust approach, enabling secure and contextual access to corporate virtual desktops, virtual applications, internal web apps, SaaS, and files, whether they are on Windows, Linux, or mainframes. It supports various deployment models, including cloud, on-premise, and hybrid settings, and can be deployed on any cloud provider of your choice. With its proprietary reverse gateway technology, Thinfinity® Remote Workspace 7 ensures secure reverse connections over SSL with TLS 1.3 encryption. This robust approach doesn't require client-side installations, firewall modifications, or the opening of inbound ports on your network, thereby enhancing the security infrastructure of your business. The platform ensures all browser-based connections are secured over HTTPS, offering a wide variety of authentication options, from straightforward User/Password to sophisticated Active Directory authentication.

14 Ratings

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Innoslate

SPEC Innovations

SPEC Innovations’ flagship model-based systems engineering solution can help your team reduce time-to-market, cost, and risk on even some of the most complex systems. This cloud or on-premise application uses a modern web browser, with an intuitive graphical user interface. Innoslate’s full lifecycle capabilities include: • Requirements Management • Documents Management • Modeling • Discrete Event Simulator • Monte Carlo Simulator • DoDAF Models and Views • Database Management • Test Management with full reports, status updates, results, and more. • Real Time Collaboration

73 Ratings

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DbVisualizer

DbVisualizer is one of the world's most popular database editors. With almost 7 million downloads and Pro users in 150 countries worldwide, it won't disappoint you. Free and Pro versions are available. Developers, analysts, and DBAs use it to elevate their SQL experience with modern tools to visualize and manage their databases, schemas, objects, and table data, auto-generate, write, and optimize queries, and so much more. It connects to all popular databases, such as MySQL, PostgreSQL, SQL Server, Oracle, Cassandra, Snowflake, SQLite, BigQuery, and 30+ others, and runs on all popular OSes (Windows, macOS, and Linux). A powerful SQL editor with intelligent autocomplete, visual query builders, variables, and more. You can fully control window layouts, key bindings, UI theme, mark scripts, and database objects as favorites for quick access or even work outside of DbVisualizer. DbVisualizer is also built to meet rigorous security standards, all configurable within the product.

488 Ratings

Starting Price: Free

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Windsurf Editor

Windsurf

The Windsurf Editor is a free AI-powered IDE and AI coding assistant that accelerates development by providing intelligent code generation and agents in over 70 programming languages and more than 40 IDEs, including VSCode, JetBrains, and Jupyter Notebooks. With Windsurf, developers can write code faster, eliminate repetitive tasks, and stay in the flow state—whether they're working with Python, JavaScript, C++, or any other language. Built on billions of lines of open-source code, Windsurf Editor understands and anticipates your coding needs, offering multiline suggestions, automated unit tests, and even natural language explanations for complex functions. It’s perfect for streamlining code writing, reducing boilerplate, and cutting down the time spent on documentation searches. Trusted by individual developers and Fortune 500 companies alike, Windsurf Editor is your go-to solution for boosting productivity and writing better code. Try Windsurf for free today!

137 Ratings

Starting Price: Free

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KrakenD

KrakenD is a high-performance API Gateway optimized for resource efficiency, capable of managing 70,000 requests per second on a single instance. The stateless architecture allows for straightforward, linear scalability, eliminating the need for complex coordination or database maintenance. It supports various protocols and API specifications, with features like fine-grained access controls, data transformation, and caching. Unique to KrakenD is its ability to aggregate multiple API responses into one, streamlining client-side operations. Security-wise, KrakenD aligns with OWASP standards and doesn't store data, making compliance simpler. It offers a declarative configuration and integrates with third-party logging and metrics tools. With transparent pricing and an open-source option, KrakenD is a comprehensive API Gateway solution for organizations prioritizing performance and scalability.

66 Ratings

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Matrix Requirements

For companies looking to accelerate development of their innovative medical device technologies, our Application Lifecycle Management and Quality Management Systems (eQMS) are easy-to-use, flexible, all-in-one software solutions designed to facilitate collaboration of employees on design control, and quality management to streamline medical device design. Innovate faster with a flexible item-based approach to documentation designed to control even the most complex SxMD (Software as/in a Medical Device) product design. Enhance quality management and ensure compliance with full traceability from design input to output with a purpose-built software platform that enables a collaborative quality culture across all teams. Ensure frictionless alignment between platforms with native integrations for Jira, GitLab, GitHub, Azure DevOps and more.

33 Ratings

Starting Price: $500 per month

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Titan

Bend, don’t break with Titan’s flexible business solutions and forms for Salesforce. Our scalable Salesforce Forms and software is rapidly developing a reputation as the gold-standard in Salesforce integration, and it’s easy to see why. Slash time to market, nuke code, and tackle any use case on a single platform. Our best-of-breed forms in Salesforce and applications cater to any industry and it’s our mission to provide custom solutions for difficult problems. Build web portals, sign documents, generate docs, send surveys, automate contracts, fill out forms in Salesforce, and so much more in just a few simple clicks. No code required and AI assisted! This is all 100% Salesforce integrated, empowering you to send data to the #1 CRM and pull it back in real-time. No other product on the market does it better or faster. Our customers and partners are the heartbeat of Titan. If you need a feature, simply request it via our Titan X Lab and we will consider it for our roadmap!

357 Ratings

Starting Price: $12 per month

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Kasm Workspaces

Kasm Technologies

Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web browsing. Kasm is not just a service; it is a highly configurable platform with a robust developer API and devops-enabled workflows that can be customized for your use-case, at any scale. Workspaces can be deployed in the cloud (Public or Private), on-premise (Including Air-Gapped Networks or your Homelab), or in a hybrid configuration.

123 Ratings

Starting Price: $0 Free Community Edition

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Kubit

Your data, your insights—no third-party ownership or black-box analytics. Kubit is the leading Customer Journey Analytics platform for enterprises, enabling self-service insights, rapid decisions, and full transparency—without engineering dependencies or vendor lock-in. Unlike traditional tools, Kubit eliminates data silos, letting teams analyze customer behavior directly from Snowflake, BigQuery, or Databricks—no ETL or forced extraction needed. With built-in funnel, path, retention, and cohort analysis, Kubit empowers product teams with fast, exploratory analytics to detect anomalies, surface trends, and drive engagement—without compromise. Enterprises like Paramount, TelevisaUnivision, and Miro trust Kubit for its agility, reliability, and customer-first approach. Learn more at kubit.ai.

33 Ratings

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Uptrends

ITRS Uptrends helps organizations achieve 24x7 reliability and performance for web services (websites, SaaS, APIs), so mission-critical transactions work from anywhere, anytime. ITRS Uptrends’ intuitive no-code/low-code transaction recorder simplifies the monitoring setup, driving rapid time-to-value even across multi-vendor/domain business services. We continuously monitor multistep user journeys from 368 nodes in 67 countries to provide full visibility beyond uptime. Alongside synthetic monitoring, our real user monitoring captures service usage and adoption to show IT's business impact. Integrating with our real-time observability portfolio, ITRS Uptrends offers end-to-end visibility of business services across hybrid infrastructures. As a SaaS solution, ITRS Uptrends is deployment-free unless private checkpoints are required to monitor from within a corporate network.

125 Ratings

Starting Price: $17.50/month

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Highcharts

Highsoft

Highcharts is a JavaScript charting library that allows developers to create interactive and visually appealing charts for web applications. It offers a wide range of chart types, including line charts, bar charts, pie charts, scatter plots, and more. It also supports different types of data, including CSV, JSON, and even live data streams. One of the key features of Highcharts is its ability to customize the look and feel of the charts. Developers can easily change the colors, font sizes, and other visual elements to match their brand or design. Additionally, it offers a variety of options for making charts responsive, so they look great on any device. Another great feature is the ability to add interactive elements to charts, such as hover effects, tooltips, and click events. This allows developers to create charts that are not only informative, but also engaging for users. Highcharts also supports exporting charts as PNG, JPEG, PDF, or SVG, making it easy to share or print them.

111 Ratings

Starting Price: $0

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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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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.

47 Ratings

Starting Price: $0 for 100 API Calls

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Swiftify

Apple rolled out Swift in 2014 to replace Objective-C. There are still plenty of apps and projects that use Objective-C, and developers are faced with the prospect of either starting again from scratch or attempting to convert them to Swift. Swiftify for Xcode automates the conversion process, handling the task of replacing the syntax while letting you focus on the other aspects of project migration. As the name suggests, the service can be accessed directly from Xcode's Editor menu. You can convert a code selection or a whole file. You can paste Objective-C as Swift. It's also possible to convert files directly from Finder without booting up Xcode. Select the files and start the conversion from the context menu. Finally, the Advanced Project Converter app included in Swiftify for Xcode is designed to help you manage an entire project. It lets you explore the project in a dedicated UI and select files to be converted. Processed files are automatically added to the project.

18 Ratings

Starting Price: $49 per month

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EEZ Studio

Envox d.o.o.

EEZ Studio represents a unique solution when both rapid development of an attractive GUI and remote control of devices for test and measurement (T&M) automation is required. Created by a team with first-hand experience in designing resource-constrained complex embedded devices, EEZ Studio enables the design of responsive desktops and embedded GUIs using the “drag & drop” and flowcharting (EEZ Flow) visual programming. A series of in-house developed Widgets and Actions as well as LVGL support and read-to-go project templates and examples enable rapid prototyping as well as development of final applications. The EEZ Studio contains everything you need to quickly create, test and debug attractive and responsive GUIs, regardless of the level of complexity, and can meet even the most complex requirements. Depending on the type of application, several types of projects are offered in order to simplify development and successfully address the challenges of the chosen target platform.

5 Ratings

Starting Price: Free

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GigSheets

Gigsheets is the only tool you need to manage your agile project successfully. With all the built-in features on Gigsheets, managing your agile project has never been easier. The built-in timer on Gigsheets automatically tracks changes on tickets, columns and sprints. Each entry will show the name of what you're working on (tickets, columns, etc.), so you will have a clear view of your progress. You can easily export your timesheet to give your clients full transparency on your project. When it comes to tickets, there are various options to customize: - “Watch” Tickets - Link a ticket to an “epic” - Choose the type of ticket (Story, Task, Bug, or Suggestion) - Add checklists - Prioritize, assign, label, and upload attachments Let Gigsheets help you to save time, stay focused and have full transparency into your team's workflow. Be the hero! Sign up for Gigsheets

4 Ratings

Starting Price: $2.50/per user, per month

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CSS HTML Validator

AI Internet Solutions LLC

CSS HTML Validator for Windows, Mac, and Linux is a fast, powerful, highly user configurable, and easy to use web development tool that checks HTML, CSS, SEO, spelling, accessibility (including WCAG 2.0/2.1/2.2), PHP, XHTML, JavaScript, htmx, and links. CSS HTML Validator includes batch processing (in the Pro edition), integrated HTML/CSS editing, and much more. It works offline so it's super-fast and your privacy is protected because your documents are not uploaded to a server for checking. CSS HTML Validator Pro has superior customization features so you can configure the validation to your liking. You can even add your own validator messages, recognize your own HTML elements and attributes, and much more. Try CSS HTML Validator Pro for Windows free for 200 validations or 30 days, whichever comes first. A FREE limited version of htmlval for Mac and Linux is also available.

4 Ratings

Starting Price: $79 (one time)

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Alpha TransForm

Alpha Software Corporation

The Alpha TransForm no-code app builder lets anyone create cross-platform mobile apps. The software offers unmatched speed, power, and flexibility in the no-code segment, and doesn’t require programming knowledge. Apps can leverage smartphone features (GPS, photos, bar code scanning, audio, digital ink, etc.), and integrate with existing databases and software. Whether you’re looking to collect more accurate data or streamline workflows, Alpha TransForm lets you design, build, and deploy mobile apps with ease: - pre-built app templates you can customize - powerful analytics engine with dashboards you can customize - built-in offline operation - a programming language for adding advanced capabilities - scale-able, secure and reliable cloud deployment. Developers can use Alpha Software's complimentary low-code platform (Alpha Anywhere) which integrates with Alpha TransForm, to build more advanced mobile apps and web apps.

4 Ratings

Starting Price: $30/User/Month

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Visure Requirements

Visure Solutions, Inc.

Visure Solutions, Inc. is a leading provider of requirements management tool suites offering a comprehensive collaborative ALM Platform for system engineering industries. Visure’s value proposition is nothing less than the total innovative technology in key functions: standard compliance for safety-critical and business-critical systems. - Requirements and Traceability Management - Test Management - Bug & Issue Tracking - Risk Management - Collaboration Management - Centralized data base, Review/Approval process - Certification Management (Support of many Standard Templates ISO26262, IEC62304, IEC61508, CENELEC50128, DO178/C, FMEA, GAMP5, SPICE, CMMI, etc. + Tool Qualification Package) - Configuration Management, Baselining, History Tracking, Requirements Versioning - Dashboards + Report Customization - Integrated with DOORS, Jama, Siemens Polarion, PTC, Perforce, JIRA, Enterprise Architect, HP ALM, Microfocus ALM, PTC, TFS, Word, Excel, Test RT, RTRT, VectorCAST, LDRA, etc.

3 Ratings

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getcss

getcss - An intuitive CSS framework. Create responsive web apps with getcss. It's simple, easy to use, free, and open source. Features: * Accelerate your development - Write less, get more * Zero dependencies * Latest technologies - Supports latest browsers, HTML5, CSS3 * Easy to learn, easy to use - as easy as 1-2-3 * Free and Open Source - Develop for yourself or your client * Responsive User Interface - Developed with mobile first approach * Media queries and Flexbox based.

1 Rating

Starting Price: Free

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Repeato

Repeato is a no-code mobile app testing tool that automates and simplifies mobile UI testing, and helps reduce time, cost, and energy invested. Using computer vision and machine learning, tests can be created via record & play, just within a few minutes. Unlike other testing frameworks, Repeato does not require any coding skills and allows forwarding testing to non-technical staff. Thus, Repeato saves time and money and developers can finally do what they do best: building great apps. BENEFITS For the company - ship apps faster with less bugs - save time and money for testing - keep staff motivated and reduce fluctuation For developers and testers - easy mobile app testing - no broken tests - less tedious, repetitive testing - forward tedious testing to non-technical staff - make more time for the exciting part: building great apps For non-technical testers - no coding knowledge needed - easy to understand and handle - simple UI For the end user - great UX

Starting Price: €50/user/month

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Best Free Application Development Software

Compare the Top Free Application Development Software as of June 2025

What is Free Application Development Software?

Plaid

Appsmith

Interfacing Enterprise Process Center (EPC)

Jira

Cody

Pdftools

Aikido Security

Kochava

Sahi Pro

Thinfinity Workspace

Innoslate

DbVisualizer

Windsurf Editor

KrakenD

Matrix Requirements

Titan

Kasm Workspaces

Kubit

Uptrends

Highcharts

Localazy

People Data Labs

Swiftify

EEZ Studio

GigSheets

CSS HTML Validator

Alpha TransForm

Visure Requirements

getcss

Repeato

Best Free Application Development Software

Compare the Top Free Application Development Software as of June 2025

What is Free Application Development Software?

Plaid

Appsmith

Interfacing Enterprise Process Center (EPC)

Jira

Cody

Pdftools

Aikido Security

Kochava

Sahi Pro

Thinfinity Workspace

Innoslate

DbVisualizer

Windsurf Editor

KrakenD

Matrix Requirements

Titan

Kasm Workspaces

Kubit

Uptrends

Highcharts

Localazy

People Data Labs

Swiftify

EEZ Studio

GigSheets

CSS HTML Validator

Alpha TransForm

Visure Requirements

getcss

Repeato

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