Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted


Harp is a production-ready web server. Rapidly build static sites and client-side applications using , and more—no configuration necessary.
TokBox makes it easy to add video chat to your site or mobile application using either the OpenTok API or OpenTok Widgets. Supports WebRTC.
Web developers information website, with tutorials and references on web development languages such as CSS and JavaScript
SelectorGadget is an open source tool that makes CSS selector generation and discovery on complicated sites a breeze. Just install the Chrome Extension or drag the bookmarklet to your bookmark bar, then go to any page and launch it.
Oracle Application Express (Oracle APEX) is a rapid web application development tool for the Oracle database. Using only a web browser and limited programming experience, you can develop and deploy professional applications that are both fast and secure.

Droip is a no-code website builder for WordPress, designed to simplify and scale web creation. With its intuitive drag-and-drop visual editor, users can build responsive, accessible websites without writing code.




*Get data from web pages automatically: Diffbot's computer vision APIs turn the web into your database.
*AUTOMATIC APIs: Extract Automatically Get structured content from articles, products, and other familiar page types.



Ultimate CSS Gradient Generator is a powerful way to create CSS gradients right from your browser. With built-in templates and support for accessing gradients using url parameters, it's easy to share and edit existing gradients.

PowerShell Pipeworks is a Framework for making Sites and Services with Windows PowerShell.
Elm aims to make web development more pleasant. Elm is a type-safe, functional reactive language that compiles to HTML, CSS, and JavaScript.
Chaplin is an architecture for JavaScript applications using the Backbone.js library. Chaplin addresses Backbone’s limitations by providing a lightweight and flexible structure that features well-proven design patterns and best practices.
IETester is a free WebBrowser that allows you to have the rendering and javascript engines of IE11, IE10, IE9, IE8, IE7 IE 6 and IE5.5 on Windows 8 desktop, Windows 7, Vista and XP, as well as the installed IE in the same process.

JavaScript Library / HTML5 UI framework for developers with SpreadSheet, Pivot, Kanban, FileManager, Scheduler, Datatable, TreeTable and etc. widgets.

TemplateToaster is an advance web design software for designing Wordpress themes, Joomla templates, Drupal themes and HTML CSS websites. There is no need for you to get familiar with other web design and development tools on having TemplateToaster.




Xapian is an open source probabilistic information retrieval library, released under the GNU General Public License (GPL). It is a full text search engine library for programmers. It is written in C++, with bindings to allow use from Perl, Python, PHP, Java, Tcl, C#, Ruby, and...
OpenSearchServer is an open source application server allowing development of index-based applications like search engines. Main features of OpenSearchServer are : An integrated crawler for databases, web pages and rich documents; a user friendly GUI allowing development of most...



Build rich, interactive web applications quickly, with less code and fewer moving parts. Join our growing community of developers using Phoenix to craft APIs, HTML5 apps and more, for fun or at scale.

A toolchain for building reusable, scalable Design Systems. Generate small, blazing fast, and 100% standards based Web Components that run in every browser.
Create & annotate visual bug report tickets in your project management tool in seconds. Marker.io adds technical metadata & console logs for you, so developers can recreate & resolve faster. Developer-ready issues, even from non-technical reporters.








Prototype is a JavaScript Framework that aims to ease development of dynamic web applications. Prototype provides various functions for developing JavaScript applications. The features range from programming shortcuts to major functions for dealing with XMLHttpRequest.
A pastebin or text storage site is a type of online content hosting service where users can store plain text, e.g. to source code snippets for code review via Internet Relay Chat.

