Apps with 'Responsive design' feature Page 3 of 12

Many content management systems are focused on developer or site owner needs, but Concrete CMS truly delivers the best to both worlds. An in-context editing toolbar makes it easy to make changes as you navigate the live website.

Flow.ai is an independent chatbot building platform with an easy drag and drop interface driven by powerful NLP. Create and manage chatbots to automate customer service, marketing and CX across digital messaging channels like WhatsApp and Messenger.

Performs real-time mobile and tablet website debugging, offers 50+ device profiles, supports custom resolutions, and features built-in Dev Tools for simultaneous responsive testing.

Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, Facebook, Twitter, chat and e-mails.

Enables visual full-stack web app creation using only Python code, featuring a browser-based drag-and-drop UI builder, one-click deployment, and open-source local hosting.

Create an online store with multi-channel sales support, customizable themes, SSL security, varied payment methods, and automated fulfillment processes.

WoltLab Suite (formerly Burning Board) is an enterprise grade CMS built for communities and forums.

Godex is the instant cryptocurrency exchange service with more than 200 coins to exchange with Bitcoin, Monero, Ethereum, Zcash, XRP and others at a Fixed rate Without accounts

Build responsive, cloud-hosted websites with AI-generated designs, real-time visualization, and export options for platforms like WordPress.

Creates native Android and iOS apps from website URLs in under 24 hours, allowing easy Play Store and App Store submission without coding required.

Design visually appealing websites effortlessly with customizable templates, drag-and-drop editing, and SEO-friendly settings, all without coding.

Pixelesq is a radical new approach to website management. It’s the first AI-driven platform that puts the power of LLMs at your fingertips, enabling your team to create effortlessly, publish confidently, and grow exponentially.

Effortlessly sell digital products directly from your site with no per-sale fees. Integrates seamlessly with major payment platforms for smooth transactions.

WordPress plugin with a visual editor for building advanced forms, secure data collection, file uploads, payment handling, workflow automation, and conditional logic.

Adobe RoboHelp is an easy-to-use authoring and multichannel, multiscreen HTML5 publishing solution.

FacturaScripts is an open source ERP software for the cloud. Built on PHP, symfony components and bootstrap 4. And is distributed under the LGPL 3 license.

Polypane is a browser built from the ground up to create websites and apps. Polypane is the only browser that lets you develop a website for all viewports and devices at once, and gives you the best overview of them.

TYPO3 is an enterprise-class, open source CMS, used internationally to build and manage websites of all types, from small sites for non-profits to multilingual enterprise solutions for large corporations.

Create and optimize landing pages using a drag-and-drop editor, customizable templates, A/B testing, and AI-driven recommendations, with tracking by device and location.

UI component infrastructure and Material Design components for mobile and desktop Angular web applications.

Fomantic UI is a modern front-end development framework that helps create beautiful, responsive layouts using human-friendly HTML.

Create, market, and sell courses with customizable content and payment solutions, allowing branding and delivery under your own name across 70+ countries.

Create beautiful emails or newsletters in minutes with drag and drop features and ready-made modules. Speed up your email marketing campaigns. Generated and exported email templates are optimized for most popular email service providers and email clients (desktop and browsers).

Sup is a console-based email client for people with a lot of email. It supports tagging, very fast full-text search, automatic contact- list management, custom code insertion via a hook system, and more.

RosarioSIS is a free and open source, web based Student Information System designed for school administration. It features a multilingual and responsive interface, PDF reports, listings export to Excel, colorful statistical charts, online student registration.