Eclipse is a free and open source IDE - Integrated Development Platform.

JetBrains PhpStorm is a commercial, cross-platform IDE for PHP built on JetBrains' IntelliJ IDEA platform.

Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment which is part of the SDK for the Qt GUI Application development fram…

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic.

Opera Dragonfly is a web development tool that was integrated into the Opera web browser.

Burp Proxy allows manual testers to intercept all requests and responses.

Firebug is a browser extension to debug web applications.

PyCharm Community Edition is an intelligent Python IDE with refactorings, debugger, code completion, on-the-fly code analysis and coding productivity orientat…

Komodo IDE is an integrated development environment (IDE) for dynamic programming languages.

Xamarin Studio allows you to design incredible user interfaces for iOS and Android and develop native iOS apps on Windows.

mitmproxy is an interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

kodeWeave is a HTML/ CSS playground app.