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    • Application development frameworks for android development.

      • Litho: Free Android Framework

        'Litho is a declarative framework for building efficient user interfaces (UI) on Android. It allows you to write highly-optimized Android views through a simple functional API based on Java annotations. Litho uses a declarative API to define UI components. You simply describe the layout for your UI based on a set of immutable inputs and the framework takes care of the rest. With code generation, Litho can perform optimisations for your UI under the hood, while keeping your code simple and easy to maintain.'

      • WhitestormJS: 3D App Development Framework

        WhitestormJS is a JavaScript framework for developing 3D web apps. It minimizes the 3D scene prototyping, has integrated physics with Worker, and you can work with Whitestorm.js and Three.js at the same time.

      • TruckJS: Mobile Applications Framework

        TruckJS is an open source framework for making mobile applications that features models, views, mediators, templates, components, promises, promises, and stacks more.

      • Phonon: Lightweight HTML5 Mobile Framework

        Phonon is an HTML5 hybrid mobile app framework that works with a page manager or router inspired by Android Activities. It supports Apache Cordova and PhoneGap and features material Design JS and CSS components.

      • Framework for Building Modern Web Apps with J...

        This resource is called Play Framework, and with it you can create compelling web applications with the help of Java & Scala. It is lightweight, user-friendly, and it consumes minimal CPU and memory and allows the creation of scalable apps.

      • MoSync SDK: Create Mobile Apps For Multiple P...

        This is a free, easy-to-use, and open source tool for building cross-platform mobile apps. Using HTML5, JavaScript and C++, it provides a development environment that makes it easy to create apps for all major mobile platforms from a single code base. The SDK enables mobile developers to build and compile apps for up to nine different platforms at once, even using a combination of both to create hybrid apps.

      • RhoMobile Suite: App Development Simplified

        Develop applications for mobile devices with the technology of Motorola. The suite constitutes a better way to build enterprise applications, which gives developers more time and interesting tools to write smarter apps. It helps organizations optimize their IT resources so they can create next generation solutions that help people and businesses be their best in the moments that matter.

      • LibGDX: Multiplatform Development Framework

        LibGDX it’s a desktop, Android, iOS, HTML5 and Java game development framework. Publish your games on Windows, Mac, Linux, Android or iOS all with the same code base. It is a cross platform, open source game development environment for writing 2D and 3D games without worrying about low-level details.

      • Titanium SDK: Mobile App Development

        The Titanium SDK provides community developers with the ability to create quality native, mobile web or rich hybrid applications to all platforms from a single code base, using JavaScript. With over 5.000 APIs, this platform allows you to deliver an immersive user experience at a fraction of the time compared with traditional native platforms. It is an open source SDK with more than 480.000 community developers contributing to enhance it.

      • Xamarin: Create Cross Platform Apps

        With Xamarin, you can write your apps entirely in C#, sharing the same code on iOS, Android, Windows and Mac. It delivers high-performance compiled code with full access to all the native APIs so you can create native apps with device-specific experiences. Anything you can do in Objective-C or Java, you can do in C# with Xamarin.

      • Corona SDK: Cross-Platform Mobile App Develop...

        Corona SDK is a powerful and high-quality 2D app development environment. Its extensive API library enables everything, from animation to networking, with a few lines of code. Whether you’re building games or business apps, you see changes instantly in the simulator and can iterate extremely quickly.

      • Lungo: HTML5 Cross Device Framework

        Here we have a framework for developers who want to design, build and share cross-device applications. The optimized apps created with the framework support open web standards, such as HTML5, CSS3 and JavaScript. It brings a consistent browser environment across mobiles, tvs and desktop devices.

      • eMobc: Mobile Application Development Framewo...

        This is an open source framework for generating web, mobile and native IOS and Android apps. With it, you can develop mobile applications quickly and easily using XML. Among its advantages are:- It's multiplatform- Screen oriented- Apps can be created online and offline- Lets you apply multiple styles- Allows easy advertisement- It's native- It's open source- It's extensible

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    • A collection of frameworks for Mobile development.

      • Litho: Free Android Framework

        'Litho is a declarative framework for building efficient user interfaces (UI) on Android. It allows you to write highly-optimized Android views through a simple functional API based on Java annotations. Litho uses a declarative API to define UI components. You simply describe the layout for your UI based on a set of immutable inputs and the framework takes care of the rest. With code generation, Litho can perform optimisations for your UI under the hood, while keeping your code simple and easy to maintain.'

      • Gendl: Knowledge-based Engineering Open-sourc...

        A generative programming and knowledge-based engineering open-source framework. It allows you to build complete mobile and web apps by using high-level declarative, object-oriented problem solving and including the ability to generate and manipulate 3D geometry.

      • Marionette.js: Backbone Mobile Apps JavaScrip...

        Marionette is a simple backbone framework that allows you to create and organize mobile apps in terms of views, show filtered lists, share complex UI interactions across views and more. It was made with JavaScript.

      • Katana: iOS Swift Framework

        Katana is a modern Swift framework for writing iOS apps. It has components that resemble React and Redux, and give structure to all the aspects the app including the logic, UI and layout

      • mini.css: Minimal Mobile-first CSS Framework

        mini.css is a minimal CSS framework with tons of features and a tiny size (under 5KB), improving the load of its components. Every single detail of the provided modules can be changed, it is mobile friendly and doesn't use JavaScript.

      • Vue Material: Material Design Framework

        Vue Material is lightweight framework built according to the Material Design specs. Build powerful and well-designed web apps that can fit on every screen, and generate and use themes dynamically.

      • Skygear: Open Source Mobile Apps Backend Fram...

        An open source and backend framework for mobile and web apps with Database and Notification for developers. Focus on the front, make compelling apps and use the integrated chat, user management, geolocation, bots, and mobile CMS.

      • TruckJS: Mobile Applications Framework

        TruckJS is an open source framework for making mobile applications that features models, views, mediators, templates, components, promises, promises, and stacks more.

      • ResearchKit: iOS Research Apps Framework

        Research Kit is an open source framework for building iOS apps made by Apple. It intends to aid researchers around the world access health data and the tools for managing real-time investigations, relying on millions of users around the world. This framework can be used for free.

      • Mootor: Mobile App Development HTML5 Framewor...

        A neat mobile app development framework made in HTML5. It can be used along with Angular.js, has several UI components for easy manipulation and it's licensed under MIT, which makes it free to use in every way possible. It was created by Emilio Mariscal.

      • Mini2: Mobile Apps PHP Barebone

        Mini 2 is a PHP barebone for creating powerful applications without losing its simplicity. It is built on Slim, uses Twig as template engine, uses pure PDO instead of ORM, and it requires PHP 5.3+, MySQL, and mod_rewrite activated. It was created by Chris Panique.

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    • An extensive compilation of CSS frameworks for web development, so you can choose the right foundation to begin new designing endeavors.

      • Kernel.css: Unintrusive & Semantic CSS F...

        Kernel.css is a simple CSS framework that you can use to build any web element and style it easily. It is a unintrusive, lightweight and semantic framework inspired by the material design specifications. It uses a bit of JavaScript and has a GNU license.

      • mini.css: Minimal Mobile-first CSS Framework

        mini.css is a minimal CSS framework with tons of features and a tiny size (under 5KB), improving the load of its components. Every single detail of the provided modules can be changed, it is mobile friendly and doesn't use JavaScript.

      • core.css: Lightweight Responsive Website Fram...

        A lightweight foundation for building responsive websites that weighs under 1.3kb, minified and gzipped. The tool has no pre-styled elements or animations built-in, instead, it has a grid system.

      • funcssion: Atomic CSS Library

        Funcssion is a set of really simple CSS classes that attempt to avoid side-effects, making sure that adding up properties or complex classes to an element in CSS works as expected.

      • Fukol: Lightweight & Responsive CSS Grid...

        A lightweight, completely responsive, and progressive enhancement based CSS grid framework. The resulting grid is a fluid set of elements with excellent load time and responsiveness, adapting to any screen size. Its weight is 93 bytes minified.

      • Spectre.css: Responsive CSS Framework

        Spectre.css is a lightweight, responsive and modern CSS framework for faster and extensible development. It is a starting point for projects and prototypes. It has a flexbox, responsive and mobile-friendly layout.

      • Mobi.css: Lightweight & Flexible CSS Fra...

        Mobi.css is a CSS framework that shows mobile pages in desktop with a sidebar on the left or right. It is lightweight, easy to use, and works on all major mobile devices.

      • Wing: Minimal CSS Framework

        Wing is a framework to style basic elements. It was built for small projects, so it is lightweight and fast to use. It comes with a grid and fading animations, and is mobile friendly.

      • Hack: Simple & Lightweight CSS Framework

        A CSS framework for applying styles in an easy and fast way to websites. You can use it by adding a simple line of code on your HTML, and this will allow you to style buttons, forms, alerts, menu items, media, loading and more.

      • Shine CSS: Lightweight Easy-to-use CSS Framew...

        A lightweight and easy to use CSS Framework perfect for improving the design of your site. It weighs just 5.7 Kb when gzipped and includes elements like a responsive grid, buttons, form, tables, lists, texts, spacing and colors. The tool can be downloaded for free from Github.

      • Cutestrap: Tiny Minimal CSS Framework

        A tiny CSS framework based on Sass that features extremely minimal elements allowing you to build beautiful clean sites and apps. It weighs only 8kb.

      • Aleut.css: Scalable CSS Framework

        Aleut.css is a CSS framework designed with scalability and performance in mind. It generates just the absolutely necessary lines of code, you can implement it in little or huge projects as you want, and letting you have the control all the time.

      • Grd: Flexbox CSS grid framework

        A CSS grid framework using Flexbox, it contains easy to use Flexbox features, provides just 2 base classes Grid, Cell and some other modifiers. It is included in a lightweight file.

      • Min: CSS Smallest Framework

        A tiny framework written in LESS and Sass, and compiled to CSS to make pretty websites, it includes buttons, inputs, navbars, tables, icons, grids, headings, and standardization of these elements across the "Big 5" browsers (Chrome, Firefox, Opera, Safari, and Internet Explorer).

      • Bulma: Flexbox CSS Framework

        Bulma is a modern CSS framework based on Flexbox with several features such as a simple grid system, flexible navbar that will remain vertically align no matter what, versatile media objects, easy vertically align in fullscreen and you can compose your elements with modifier classes.

      • Feather: Minimal CSS Framework

        Minimal CSS framework that is as light as a feather. Comes with a simple grid system, buttons, components, animations, AND some minimal styles and typography.

      • Milligram: Minimalist CSS Framework

        Milligram is a CSS framework featuring a minimal setup of styles for a fast and clean start, specially designed for better performance and higher productivity with fewer properties to reset. Milligram is available to install using Bower and npm.

      • Office UI Fabric

        Office UI Fabric makes easy to create a new app or updating an existing one. You can apply the Office Design Language this responsive, mobile-first, front-end framework and it's meant to be consumed as CSS. All JavaScript is presentational.

      • Neutron: Website Lay-outing Sass Framework

        An effortless Sass framework that allows you to create layouts with simple and clean semantic commands reducing to zero the amount of litter in your code.

      • Foundation: Responsive CSS Framework

        Foundation is a CSS framework that provides you with plenty of tools for your website and web application projects including mailing features.

      • Bootstrap CSS Framework

        Bootstrap 4's main updates are the use of Sass instead of Less, improved grid systems to better target mobile devices, Opt-in flexbox support, consolidated reboot function, and plenty more features.

      • Lightning Design System: CSS Framework

        Design System is a CSS framework which you can build custom applications with. It features several sorts of layouts, spinners, stencils, tabs, trees, modals, plenty of motion effects and a huge collection of components and utilities.

      • Outline: Clean and Simple CSS Framework

        Outline is quite a complete, clean and simple CSS framework which features Sasy grid add-on, Font Awesome, several mixins, media embedding among other features.

      • Material Design Lite Web Component Kit

        Google's very complete kit provides you with web components to put together in your website, such as templates, menus, loading bars, tables, among many more fully guided, stylable, customizable elements in CSS, HTML and JavaScript.

      • CSSPlus: A Flexbox-based CSS Framework

        cssPlus is a CSS framework that provides you with a way to make a flexible layout based on flexbox modeling. It features extensiveness, table approach, alignments and overflow designation.

      • Thao: Powerful Responsive CSS Framework

        Thao is a lightweight, powerful and simple CSS framework which features grids, layouts, lists, menus, tables and several sorts and styles of callouts, buttons and inputs. This framework was released under the Apache 2.0 license.

      • Baseguide: Lightweight CSS Framework

        Baseguide is a lightweight and robust CSS framework powered by Sass. It basically gathers components such as list types, forms, buttons, embedded media, among others into a small package.

      • Scally: Sass, BEM, and OOCSS Framework

        Scally is a CSS framework that uses Sass, BEM, and OOCSS. It allows responsive layouts, and you can build solid, stable and reusable user interfaces fastly. It is licensed under the Apache v2.0 license.

      • Penguin: Lightweight & Extensible Sass F...

        Penguin is a lightweight and extensible framework made out of Sass for beautiful front end development. It is focused on developers, including a small Gruntfile for compiling SCSS easily and several Sass mixins.

      • Primer: CSS Web Development Framework

        Primer is a CSS toolkit for creating websites and platforms. It is the base of Github itself, including several tools, elements and guidelines for easy web development and scalability.

      • Blackhole: Minimalistic & Powerful SCSS ...

        Blackhole is a minimal SCSS framework that focuses on semantics and intends to provide a clean way of writing code. It is modular, flexible, scalable, responsive and lightweight.

      • Ratchet: Mobile App Web Development Framework

        Ratchet is a minimal framework for crafting mobile apps using CSS, HTML, and JavaScript components. Its ease to use allows you to compile websites in no time.

      • Turret: Semantic Front-end CSS Framework

        Turret is a front-end framework that helps you create beautiful websites that are accessible, semantic, and responsive. It features browser behaviour normalisation, giving the possibility to accessible websites rapidly.

      • Papier: Responsive Web Elements CSS Library

        Papier is a responsive and semantic library made in CSS for styling web elements. It is lightweight, non-intrusive, and it uses normalize.css. Moreover, it has rapid prototyping and has no custom styles for elements.

      • Materialize: Material Design Front-end Framew...

        Materialize is a Material Design front-end framework that's also responsive. It helps accelerating the development of websites, it is focused on usability, it's really easy to implement and use, and it is constantly updated.

      • Skyline: CSS Frameworks Building Starter Kit

        Skyline is a compelling kit for starters that helps you in the process of creating CSS frameworks. It allows and maintains a robust CSS architecture that can be used as a base of your newly created designs. It is written in SCSS using the BEM notation, and it’s object-oriented. It is licensed under MIT.

      • Bootflat: Bootstrap-based CSS UI Framework

        Bootflat is an open source project UI kit CSS package in a flat, simple design. It is based on Bootstrap, offering support for Sketch users since the original comes in PSD formats only.

      • UIkit: Modular Front-end Framework

        UIkit is a modular front-end framework that allows easy use and implementation of elements. It is written in LESS featuring small and responsive components to fit across multiple devices screens.

      • Material UI: Material Design CSS Framework

        A CSS framework inspired in Google's Material Design and React that allows you to add custom styling to your elements for resembling the Material Design appearance.

      • Semantic UI: Frontend Development Framework

        Semantic UI is a development framework that uses Less and jQuery to create, style, animate and manipulate user interface elements that focus on visual interaction to achieve results.

      • One Nexus CSS Framework

        Nexus One is a front-end development framework that allows you to create modern and responsive websites created for developers who want to make simple websites, providing the most commonly used features.

      • Kickstart: CSS Framework

        A cool CSS library that uses semantic CSS mixins or CSS classes for styling. It is an extendable library that comes with basic functionality, but can be improved via the Kickstart Store, and it can be used along with popular technologies like Rails, NodeJS, HTML5 and others.

      • Schema UI Frontend Framework

        Schema is a lightweight and responsive modular front-end framework that allows you to build complex web interfaces. Schema gives you the foundation and components to design a responsive web project quickly.

      • Kouto Swiss: Stylus CSS Framework

        Kouto Swiss is a CSS framework for stylus that provides lots of mixins, utilities and functions so anyone can develop projects faster. It includes Grunt and third-party tools like CodeKit or Prepros.

      • Pure: Responsive CSS Modules Set

        Pure is a set of CSS modules that are responsive and lightweight, fitting any web project with neat design elements. It also has mobile devices in mind, letting you create responsive environments quickly and effortlessly.

      • CSS Library for Stylizing Web Elements

        Picnic CSS is a library for creating HTML5 and CSS3 elements by integrating semantic code. This library was built in pure CSS featuring the usage of Normalize.css and UI elements as plugins.

      • Gumby: Flexible and Responsive CSS Framework

        Gumby is a flexible, responsive CSS framework built with Sass which gives you new tools to customize quickly and build on top of the Gumby Framework. It is flexible and simple to use and up to date since changing the entire design of our UI kit is as simple as adding a few Sass variables and assigning the appropriate classes to your markup structure.

      • HTML KickStart

        An open source framework that enables you to quickly build templates and web designs putting performance as the main objective. It supports HTML, CSS and jQuery elements that allow countless possibilities with little customization.

      • Topcoat: Clean and Fast CSS Apps

        With Topcoat, you can design clean and quick CSS web application. Performance is the key, so every component has been benchmarked in order to achieve the best results. Among it's many options, we can highlight the possibility to customize the theme, the inclusion of a PSD file with all its components, open source fonts and much more.

      • Almost Flat UI

        Almost Flat UI is based on the Foundation framework containing tons of design elements for websites and apps, that feature a nice minimal stylized design.

      • Metro UI CSS

        Metro UI CSS is a group of styles that will help you develop projects with an interface that resembles the one seen in Windows 8, the now-famous Metro style that bases itself on the global flat design trend that's taking over the modern web.

      • Kube CSS Framework

        Kube is a CSS framework that lets you focus on your creations with a great capability for customization​ and control in order to make the projects as functional and beautiful as possible.

      • Fbootstrapp Toolkit

        If you are a Facebook developer, this toolkit will help you with the creation of iFrame application for multiple devices, in the classic Facebook look and feel. Fbootstrapp offers base CSS and HTML for buttons, navigation, tables, grids and many more elements.

      • BootMetro Framework

        BootMetro is a framework that allows you to develop web projects in a stripped-down and intuitive way, using the clean look and feel of Windows 8's Metro design style, including the flat grids and one-color icons.

      • InK: Quick Development of Web Interfaces

        Ink is an interface kit for quick development of web interfaces, simple to use and expand. It is used for building layouts that are content-focused and user-friendly.

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