Page 18 | Best Free Application Development Software of 2026

ThemeSelection

ThemeSelection.com is an online platform offering a wide range of premium and free admin templates, UI kits, and SaaS boilerplates designed for developers, designers, and businesses. Their products are built using modern frameworks such as Bootstrap, Vue.js, React, Next.js, Laravel, and Django, focusing on creating high-quality, professional, and easy-to-use solutions for building web applications, particularly admin dashboards. The platform aims to save developers time and resources by providing fully coded, customizable, and scalable templates that are responsive across devices. Key offerings include popular templates like Sneat and Materio, available in various frameworks, with features such as light/dark themes, reusable components, and comprehensive documentation. They also provide free resources, such as Bootstrap 5 HTML admin templates, licensed under MIT for both personal and commercial use. ThemeSelection emphasizes modern design and flexibility.

Starting Price: $59

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Zed

Zed Industries

Zed is a next-generation code editor designed for high-performance collaboration with humans and AI. Written from scratch in Rust to efficiently leverage multiple CPU cores and your GPU. Integrate upcoming LLMs into your workflow to generate, transform, and analyze code. Chat with teammates, write notes together, and share your screen and project. Multibuffers compose excerpts from across the codebase in one editable surface. Evaluate code inline via Jupyter runtimes and collaboratively edit notebooks. Support for many languages via Tree-sitter, WebAssembly, and the Language Server Protocol. Fast native terminal tightly integrates with Zed's language-aware task runner and AI capabilities. First-class modal editing via Vim bindings, including features like text objects and marks. Zed is built by a global community of thousands of developers. Boost your Zed experience by choosing from hundreds of extensions that broaden language support, offer different themes, and more.

Starting Price: Free

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Specmatic

Specmatic offers a no-code, specification-driven, visual approach to API testing by leveraging API specifications to automatically execute positive and negative tests. Specmatic Studio offers broad format and protocol support across REST, SOAP, GraphQL, gRPC, WebSockets, and asynchronous messaging systems (message queues and event-driven APIs). The platform provides a comprehensive toolkit for API development and testing, utilizing specs as the single source of truth. Key features include: • Contract testing across various protocols • Service virtualization and mocking • Workflow and resiliency testing • Backward compatibility checks to prevent breaking changes • Open-source testing tools for OpenAPI, MCP and SOAP • Postman collection import for spec creation Specmatic focuses on functional correctness, contract compliance, resiliency, and compatibility testing. Genie assists API design, enabling interactive validation of the API spec prior to generating an MCP server.

Starting Price: $2500 per month (50 seats)

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ContentMesh

ContentMesh is a powerful no-code ETL and data transformation platform designed specifically for digital publishers, e-commerce businesses, and content managers. It simplifies the process of connecting, transforming, and syncing data between popular web content management systems (CMS) and e-commerce platforms such as Shopify, Magento, WordPress, and Contentful. With its user-friendly interface, ContentMesh allows non-technical users to automate bulk updates, schedule jobs, and integrate data from sources like Google Sheets, HubSpot, and REST APIs. The platform also offers secure credential management and flexible scheduling via CRON, making it an ideal solution for agencies and content-centric businesses looking to streamline their data workflows.

Starting Price: $29/month

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Lapce

Lapdev

Lapce is a cutting-edge, open-source code editor focused on delivering a fast and responsive experience, particularly for developers working with large projects or complex codebases. Written in Rust, Lapce leverages the performance advantages of native development to provide a smooth editing experience with minimal lag. It features a clean, modern interface and advanced functionality such as multi-caret editing, split views, and integrated terminal support. With built-in support for the Language Server Protocol (LSP), Lapce offers precise autocompletion, syntax highlighting, and code navigation across various programming languages, enhancing productivity. Its extensibility, support for plugins, and focus on performance make Lapce ideal for developers looking for a lightweight yet powerful editor that balances simplicity with capability, appealing to both beginners and seasoned professionals.

Starting Price: Free

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Refinder

Thinkfree Inc.

Refinder AI transforms Slack and Google Chat into a productivity hub by automating tasks, managing knowledge, and reducing app switching. Connect your essential work apps to take actions faster and stay focused on important work without leaving chat. Key Capabilities • Create, update, and track tasks in chat • Summarize documents and reports instantly • Send and manage emails directly in Slack or Google Chat • Automate meeting scheduling with Google Calendar • Integrate with Jira, Confluence, Google Drive, Gmail and more • Search and access internal information instantly Refinder AI helps teams and professionals streamline workflows, improve collaboration, and centralize work in chat. Start working smarter and faster with Refinder AI, your AI assistant in Slack and Google Chat.

Starting Price: $20.9 per user/month

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holidays.rest

holidays.rest provides the most accurate and comprehensive holiday data delivered at blazing speed for customers at any scale. Cover national, public, and religious holidays for 190+ countries in milliseconds with our RESTful API. We take pride in delivering authentic, accurate data. Our API exclusively offers real historical information without artificial records. For example, it recognizes that October 3rd wasn’t German Unity Day in 1985 because Germany wasn’t unified at the time—something many other APIs fail to account for. We also don’t provide fictional data. The United Nations recognizes 195 countries, with an additional 9 partially recognized states. Unlike others, we don’t exaggerate by claiming to cover 250 countries. Our pricing is straightforward: all plans give you full access to the capabilities of our API, without restrictions on parameters or features. No hidden limitations—just simplicity.

Starting Price: $39/month

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CloudQix

CloudQix is a cloud-based no-code iPaaS integration platform designed to streamline how businesses connect and manage their software. With a drag-and-drop interface, users of all skill levels can build workflows and integrate software. Users can access a growing library of pre-built connectors and automate processes across sales, support, marketing, and more. CloudQix also provides users with full control over APIs and integrations. CloudQix's no-code solution helps build and deploy integrations with drag-and-drop functionality and reusable components. IT teams and non-technical users can configure, run, and monitor processes via an intuitive, self-service interface. CloudQix provides enterprise-grade security and meets PCI, HIPAA, SOC2, and ISO 27001 standards, keeping data protected at every step. Users can connect systems, streamline workflows, and provide teams with data.

Starting Price: 59

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Shiplight

Shiplight brings autonomous AI agents to quality-assurance workflows, generating, running, and maintaining end-to-end tests so development teams can “ship fast and break nothing.” It enables full test coverage in just days, with no scripting required; test flows are auto-generated from product flows, documentation, support tickets, and more; parallel execution and smart caching deliver fast, reliable feedback; and visual editors and natural-language prompts mean non-coders (product managers, QA analysts) can create, review, and manage tests without writing scripts. The underlying agent “learns” the application’s behavior over time, visually navigating UI elements, clicking through flows, filling in forms, and adapting to UI changes, so that maintenance burdens and flaky tests are dramatically reduced. It fits into existing CI/CD pipelines, supports an agent-driven execution layer.

Starting Price: Free

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Contact Form to Any API

Contact Form To API

Contact Form 7 to Any API allows WordPress users to send form submissions to any external API or CRM with precision and ease. The free version supports basic features such as single API endpoints, JSON payloads, headers, and logging. With the Pro version, you can configure multi-endpoint routing, conditional logic, nested JSON bodies, field mapping, custom headers per endpoint, and advanced response handling. Ideal for HubSpot, Mailchimp, ActiveCampaign, Zoho, and Pipedrive integrations. The optional OAuth 2.0 Add-On provides secure token handling and full authorization flows. Perfect for marketers, developers, and agencies seeking flexible, SaaS-free automation workflows.

Starting Price: $29.99

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Pensero

Pensero.ai is an AI-powered platform that gives objective visibility into how engineering teams actually perform, using real delivery data from across their existing stack. By connecting code, tickets, collaboration, and AI usage, it helps organizations understand what is being delivered, at what quality, and at what cost, including the real cost and efficiency of AI adoption. Through capabilities like benchmarking and calibration, Pensero enables teams to compare performance across engineers, teams, and peers, replacing subjective assessments with clear, data-driven insights. The result is continuous, evidence-based decision-making that improves performance, aligns teams around outcomes, and drives a more transparent, high-performing engineering culture.

Starting Price: $50 per month

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iALM.ai

iALM Software

A complete ALM platform utilizing AI to help software teams follow best software engineering practices in all aspects of system development. The full functionality of platform is available free of charge for up to 10 team members. You can also synchronize your Jira or ADO projects into iALM.ai to enjoy its powerful functionality while keeping your projects in Jira and ADO. The Platform supports the following functions: Project Management User Story and Requirement Management Test Design and Test Management Collaboration Document Management Issue Management and Bug Tracking Use Case Management Change Management

Starting Price: $3/month/user

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horizOn

ProjectMakers

horizOn takes the backend work off the hands of indie developers, small and mid range studios. Instead of dealing with servers, databases, and API endpoints, you drop an SDK into your game engine and get instant access to 9 ready-made features: user management, leaderboards, cloud saves, remote config, in-game news, gift codes, user feedback, crash reporting, and server logging. The backend runs on dedicated infrastructure across three regions (EU, US, Asia) with 99.98% uptime. The biggest difference compared to Firebase, Supabase, or PlayFab: pricing is fixed. You pay a flat monthly rate regardless of how many requests your game makes. There is a free starter tier, and if you prefer, you can self-host horizOn (simple version of our cloud solution) on your own server.

Starting Price: €0/month

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Amikoo

MuukLabs Inc.

Amikoo is an AI-powered QA agent toolkit designed to help engineering teams keep pace with AI-accelerated development. Instead of relying on brittle scripts or generic automation, Amikoo learns how your product works—exploring user flows, identifying test coverage gaps, and generating executable Playwright tests that reflect real usage. When code changes, Amikoo detects broken tests and automatically repairs or rebuilds them, keeping your test suite aligned without manual effort. By connecting to tools like GitHub, CI/CD pipelines, and product analytics, it builds the context needed to make accurate testing decisions and reduce false positives. The result is faster releases, more reliable coverage, and a QA process that scales with your team. Built on real-world QA learnings from MuukTest, Amikoo brings together intelligent automation and practical testing expertise in one continuous workflow.

Starting Price: $999 per month

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Keboola

Keboola is a serverless integration Hub for data/people and AI models. We provide a cloud-based data integration platform that is designed to support the entire workflow from data extraction, cleaning, warehousing, enrichment, to ML based predictions and loading. The whole platform is highly collaborative and solves the biggest hurdles of "IT" based solutions. Our seamless one click UI will take even the novice business users from data acquisition to building model in Python in a matter of minutes. Try us out! You will love the experience :)

Starting Price: Freemium

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Cloud Elements

Cloud Elements is an API integration platform engineered to connect software as a service (SaaS) and the digital enterprises with the applications used by their customers and partners. Offering a catalog of 115 plus pre-built integrations, Cloud Elements allows users to efficiently build client-facing connections for internal solutions using powerful API integration. Cloud Elements features formula management, resource management, element-builder functionalities, and “API Hubs” that gives users a repository of integrations grouped according to the type of services, such as accounting, finance, and customer relationship management.

Starting Price: $1200.00/month

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Knack

Knack is the most easy-to-use Application builder, designed for the non-developer business owner leader. Using the drag-and-drop feature, users can create intuitive apps for CRM/Lead Manager, Membership Directory, Project Manager, Inventory Manager, Quote/Order Manager or HIPAA compliant app. Existing users rave about how easy it was to take their entire app on the go, using an iOS or Android device. Larger teams with multiple admin users can also work more efficiently with the use of the collaboration function, which includes whiteboards, and tag & search tools. Finally, use the automated analytics report dashboard to monitor application usage and how your customers or staff interacts with it.

Starting Price: $39.00/month

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Funnel

Funnel is an automated data collection and marketing reporting software for marketers and data-driven companies. With Funnel, users can automatically gather all their advertising data from various platforms and sources and match them with conversion data, so they can more accurately analyze their online marketing spend and report ROI. Funnel offers integrations with more than 300 marketing and advertising platforms.

Starting Price: $199.00/month

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Swiftype

Swiftype Site Search offers businesses and their audience a flexible and fast site search experience. With Swiftype Site Search, businesses can add a search feature to their website to help customers, readers and followers find highly relevant results. The solution can be adapted to a business' specific needs--whether it's an online store looking to increase conversion rates or an online publication seeking to boost engagement.

Starting Price: $299.00/month

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Orcanos ALM and QMS

Orcanos

Deliver products on time and on budget with Orcanos, an integrated software for ALM (Design Control) and quality management (QMS). An affordable cloud solution, Orcanos supports Requirements Management, Test Management, Document Control, Risk Management, and Quality Management procedures, on a single repository. Orcanos also features dashboards and real-time alerts, to help businesses keep track on their ongoing projects and gain real-time visibity on their progress. Orcanos e-DMS is an all-in-one document control software system that has been designed to allow end users to create, trace, search, archive and approve all documentation that is related to every stage of a medical device product launch. The e-DMS ensures that documents relating to the planning, design, development, manufacturing and service of a particular product can be quickly accessed, increasing the effectiveness of quality processes and reducing the time to market.

Starting Price: $69.00/month/user

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Bizness Apps

Bizness Apps is the leading app builder for small business. With its drag-and-drop interface, Bizness Apps enables businesses across any industry to build their own apps and create beautiful mobile experiences for their end users without needing any developer. Some of the features businesses can incorporate in their apps are mobile ordering, loyalty programs, reviews, integrations, and more.

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Qliktag Platform

Qliktag Software Inc.

The Qliktag Platform is a one-of-a-kind platform to enable everyday consumer products as IoT Connected Smart Products that can be interacted with digitally. For any item equipped with tags such as ordinary 2d barcodes, NFC tags, RFID, QR Codes, Data Matrix, smart packaging sensors, IoT sensors, watermarks or other triggers, the Qliktag Platform can help assign an internet identifier and a "digital twin" with a unique web link for each batch, product or serial instance. This enables the product to send or receive information over the internet through it's lifecycle. The Qliktag Platform also lets you develop a wide range of smart applications & business processes from traceability, transparency, authentication, trust, customer engagement, re-order and more in a low code environment that is highly scalable across billions of items, secure & flexible.

Starting Price: $275/month

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ManageEngine Mobile Device Manager Plus

ManageEngine

ManageEngine Mobile Device Manager (MDM) Plus is designed to help enterprises empower their workforce with mobility. A leading enterprise mobile device management solution, ManageEngine MDM is suitable for managing multiple mobile platforms from a single interface, including iOS, Android, and Windows devices. The solution is available as an on-premise and cloud offering and includes features like mobile device management, application management, email management and device containerization.

Starting Price: $2.00/month

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Back4app

Store and query relational data on the cloud. Make it accessible over GraphQL and REST with a scalable, open-source backend. Store and query relational data through GraphQL, REST, or Parse SDKs. Add business logic using cloud functions. Make apps faster without managing infrastructure. Build relational data models in minutes, and perform complex relational queries in a truly serverless platform. Our engineer team is ready to guide you on each step of the process. From database to cloud functions we help you to migrate in the smoothest way. Keep costs in check even when you scale your apps with affordable, predictable pricing. Scaling happens automatically and, we guide the process to ensure that nothing goes wrong. Build your app exactly the way you'd like, without getting bogged down in the backend. Of course, you do. Keeping data safe is more important than ever.

Starting Price: $4.99 per month

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devtodev

devtodev is an ultimate product analytics platform for data-driven teams to get valuable insights and influence user decisions. With devtodev you can convert users into paying users, improve in-app economics, predict churn, revenue and customer lifetime value, as well as analyze and influence user behavior.

Starting Price: Free

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CloudBoost

HackerBay

You can install CloudBoost anywhere you like. We have a Docker Compose file that can help you get started with CloudBoost in few minutes and with just one command. You can use this compose file to install the service locally on your local dev machine, or you can install the service to Azure, AWS, DigitalOcean, Softlayer, Packet and more. Create a config folder in project root if it does not exist. You need to create a new file cloudboost.json under config folder and save that file with MongoDB and Redis configuration. Once the server is running. You'll see the ClusterKey and SecureKey on the console which means you've successfully started CloudBoost. If you don't see any of these keys, please raise a GitHub issue and let us know.

Starting Price: $49 per month

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Assertible

The easiest way to test and monitor your web services. Gain confidence in critical infrastructure by using Assertible's automated QA tools to test and monitor your web services across deployments and environments. Assertible provides a reliable first line of defense against web service failures by providing simple and powerful assertions to test and monitor your APIs and websites. Lower the number of false positives in your automated QA tests and be confident your APIs are healthy. Keeping your tests up to date can be a burden, but with Assertible you can automatically sync your API tests with the latest changes in your specification. As you add and update responses, parameters, headers, and more, updating your Assertible API tests is as easy as clicking sync. Assertible integrates with the tools you're already using and lets you do things like execute your web app tests when you push code to GitHub, or send alerts to Slack if failures happen.

Starting Price: $25 per month

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Frugal Testing

Test your web application, rest API & mobile application in three simple steps. Enter your API and/or URLs to test. Configure your load test in aspects of number of concurrent users, duration, bandwidth simulations etc. Choose multiple locations, from where you want to generate load and start your load test. We will take care of the rest for you! That's it, your test results are ready. Go on and analyze while load testing, inspect JMeter logs or save results at any time as a PDF snapshot. No installation required. Create scenarios inside your browser. Entirely in the cloud. Pay as you go. Simulate lakhs of simultaneous users from multiple geographical locations with bandwidth simulation too. Inspect results and discover bottlenecks as your test runs. Download detailed reports any time. NO migration effort from JMeter. Import any JMX project in Frugal Testing and export it anytime. Continually improve your product and your business with Frugal Testing.

Starting Price: $48

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Mobiscroll

Responsive UI components for web & mobile developers used and loved by more than 7700 companies, small & large. More efficient than building it yourself or cheap plugins. Better for mobile and more simple than bloated libraries.

Starting Price: $225

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RasPiEsi

Epesi

RasPiEsi is The World's Smallest Open Source ERP Application Server powered by Epesi and running on Raspberry Pi Zero with 1 core and 512MB RAM only. Part of Epesi ENS - the first FOSS Enterprise Nervous System. Epesi BIM on LLMP stack: - Linux - Lighttpd - MariaDB - tuned - PHP 7.4 FPM + memcached and ZRAM neofetch, mc, ncdu added and updated 77 packages on November 4, 2023 for version 1.1 ("Józiu") RasPiEsi is the smallest possible Epesi Node I was able to build with the smallest RAM usage of only 133MB! Thanks to the excellent DietPi distro this tiny server runs Epesi surprisingly well especially on a fast SD card. It should run unmodified on any Raspberry Pi - from the lowest end $5 RPi Zero with no WiFi and 1 CPU and 512 MB of RAM (used to create this disk image), to the high end RPi 4. Tested fine on RPi 3 - unmodified, just swapped between units! MIT License • Copyright (c) 2024 by Janusz Tylek and Karina Tylek

Starting Price: $0

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Best Free Application Development Software - Page 18

Compare the Top Free Application Development Software as of May 2026 - Page 18

ThemeSelection

Zed

Specmatic

ContentMesh

Lapce

Refinder

holidays.rest

CloudQix

Shiplight

Contact Form to Any API

Pensero

iALM.ai

horizOn

Amikoo

Keboola

Cloud Elements

Knack

Funnel

Swiftype

Orcanos ALM and QMS

Bizness Apps

Qliktag Platform

ManageEngine Mobile Device Manager Plus

Back4app

devtodev

CloudBoost

Assertible

Frugal Testing

Mobiscroll

RasPiEsi

Best Free Application Development Software - Page 18

Compare the Top Free Application Development Software as of May 2026 - Page 18

ThemeSelection

Zed

Specmatic

ContentMesh

Lapce

Refinder

holidays.rest

CloudQix

Shiplight

Contact Form to Any API

Pensero

iALM.ai

horizOn

Amikoo

Keboola

Cloud Elements

Knack

Funnel

Swiftype

Orcanos ALM and QMS

Bizness Apps

Qliktag Platform

ManageEngine Mobile Device Manager Plus

Back4app

devtodev

CloudBoost

Assertible

Frugal Testing

Mobiscroll

RasPiEsi

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