Flow.org Alternatives

Flow.org is described as 'Flow is a static type checker for JavaScript that we built at Facebook. The overall mission of Flow is to deliver an immersive coding experience for JavaScript developers—a fast edit-refresh cycle—even as the codebase evolves and grows' and is an website in the development category. There are more than 10 alternatives to Flow.org, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and BSD apps. The best Flow.org alternative is JavaScript, which is both free and Open Source. Other great sites and apps similar to Flow.org are TypeScript, Google Chrome Developer Tools, Firefox Developer Tools and Web Developer.

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Flow.org alternatives are mainly Programming Languages but may also be Web Debuggers or IDEs.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Flow.org.
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Flow is a static type checker for JavaScript that we built at Facebook. The overall mission of Flow is to deliver an immersive coding experience for JavaScript developers—a fast edit-refresh cycle—even as the codebase...

More about Flow.org
Flow.org alternatives page was last updated Oct 26, 2024
  1. JavaScript icon
     616 likes

    JavaScript (sometimes shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but also used in many non-browser environments.

    61 JavaScript alternatives
    JavaScript screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • BSD
    • iPad
    • AROS
    • Haiku

    Properties

    1.  Lightweight

    Features

    1.  Asynchronous
    2.  Multiplatform
    3.  Interpreted language
    4.  Dynamic typing
    5.  Programmers Documentation
    6.  Extensibility
    7.  Portable
    8.  Support for scripting
    9.  Prototype-based inheritance
    JavaScript iconFlow.org Icon

    JavaScript VS Flow.org

    Is JavaScript a good alternative to Flow.org?
     
    • JavaScript is the most popular Web-based, Windows, Android & Mac alternative to Flow.org.

    • JavaScript is the most popular Open Source & free alternative to Flow.org.

    • JavaScript is Free and Open SourceFlow.org is also Free and Open Source
    • JavaScript is LightweightFlow.org is not according to our users
  2. TypeScript icon
     61 likes

    TypeScript is a language for application-scale JavaScript development. It is a typed superset of JavaScript that compiles to plain JavaScript in any browser, any host, any OS and it is Open Source.

    15 TypeScript alternatives
    TypeScript screenshot 1

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Node.JS
    • JavaScript
    • BSD

    TypeScript Features

    1.  Support for Javascript
    2.  Typesafe
    3.  Typesetting
    4.  Object-oriented Language
    5.  Interpreter
    TypeScript iconFlow.org Icon

    TypeScript VS Flow.org

    Is TypeScript a good alternative to Flow.org?
     
    • TypeScript is the most popular Self-Hosted alternative to Flow.org.

    • TypeScript is Free and Open SourceFlow.org is also Free and Open Source
  3. Google Chrome Developer Tools icon
     154 likes

    The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome. The developer tools are developed partly through the WebKit open source project, where the tools are called...

    17 Google Chrome Developer Tools alternatives
    Google Chrome Developer Tools screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome

    Google Chrome Developer Tools Features

    1.  HTTPS Support
    2.  Support for Javascript
    3.  Web inspector
    Google Chrome Developer Tools iconFlow.org Icon

    Google Chrome Developer Tools VS Flow.org

    Is this a good alternative to Flow.org?
     
  4. Firefox Developer Tools icon
     41 likes

    Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

    18 Firefox Developer Tools alternatives
    Firefox Developer Tools screenshot 1

    License model

    • FreeOpen Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Lightweight

    Features

    1.  Syntax Highlighting
    2.  Firefox-based Browsers
    3.  Development API
    Firefox Developer Tools iconFlow.org Icon

    Firefox Developer Tools VS Flow.org

    Is this a good alternative to Flow.org?
     
  5. Web Developer icon
     47 likes

    The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Edge, Firefox, and Opera, and will run on any platform that these browsers support including Windows, macOS and Linux.

    13 Web Developer alternatives
    Web Developer screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Google Chrome
    • Mozilla Firefox
    • Microsoft Edge
    • Opera

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  Ad-free
    2.  No Tracking
    3.  Works Offline
    4.  No registration required
    5.  Inspect Element
    6.  DOM Inspector
    7.  Microsoft Edge extension
    8.  Opera extension
    9.  Live css editing
    Web Developer iconFlow.org Icon

    Web Developer VS Flow.org

    Is Web Developer a good alternative to Flow.org?
     
  6. B4X icon
     49 likes

    Cross platform development tools for native iOS, Android, desktop and server applications. B4X is a Rapid Application Development (RAD) tool for real world apps. The programming language is a modern version of Visual Basic.

    95 B4X alternatives
    IDE screenshot

    License model

    • FreemiumProprietary

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad

    B4X Features

    1.  Multiplatform
    2.  Code Completion
    3.  Native Java Libraries
    4.  Autocompletion
    5.  Syntax Highlighting
    6.  Code Formatting
    7.  Works Offline
    8.  Dark Mode
    9.  Ad-free
    10.  Rad
    B4X iconFlow.org Icon

    B4X VS Flow.org

    Is B4X a good alternative to Flow.org?
     
    • B4X is the most popular Android Tablet alternative to Flow.org.

    • B4X is Freemium and ProprietaryFlow.org is Free and Open Source
  7. Bosque icon
     2 likes

    The Bosque programming language is an experiment in regularized design for a machine assisted rapid and reliable software development lifecycle.

    50 Bosque alternatives
    Bosque screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • BSD

    Bosque Features

    1.  Command line interface
    2.  Support for scripting
    3.  Ad-free
    Bosque iconFlow.org Icon

    Bosque VS Flow.org

    Is Bosque a good alternative to Flow.org?
     
  8. MicroPython icon
     1 like

    MicroPython aims to implement the Python 3.4 standard (with selected features from later versions) with respect to language syntax, and most of the features of MicroPython are identical to those described by the “Language Reference” documentation at docs.python.org.

    64 MicroPython alternatives
    MicroPython on Unicorn

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
    • Self-Hosted
    • JavaScript
    • FreeBSD
    • OpenBSD

    Properties

    1.  Lightweight

    Features

    1.  Support for scripting
    2.  Python-based
    MicroPython iconFlow.org Icon

    MicroPython VS Flow.org

    Is MicroPython a good alternative to Flow.org?
     
  9. SplineTech Javascript Debugger icon
     5 likes

    SplineTech JavaScript Debugger is the fastest independent standalone JavaScript Debugger that enables you to debug JavaScript for IE completely independently of any add-ons, plug-ins, Java or any other third-party proprietary tools.

    8 SplineTech Javascript Debugger alternatives
    SplineTech Javascript Debugger screenshot 1

    License model

    Platforms

    • Windows

    SplineTech Javascript Debugger Features

    1.  Debugging
    SplineTech Javascript Debugger iconFlow.org Icon

    SplineTech Javascript Debugger VS Flow.org

    Is this a good alternative to Flow.org?
     
    • SplineTech Javascript Debugger is the most popular commercial alternative to Flow.org.

    • SplineTech Javascript Debugger is Paid and ProprietaryFlow.org is Free and Open Source
  10. Real-Time JavaScript Tool icon
     1 like

    Real-Time JavaScript Tool is a portable tool that allows JavaScript codes to be executed in Real-Time!

    64 Real-Time JavaScript Tool alternatives
    Real-Time JavaScript Tool screenshot 1

    License model

    • FreemiumProprietary

    Platforms

    • Windows
    Real-Time JavaScript Tool iconFlow.org Icon

    Real-Time JavaScript Tool VS Flow.org

    Is this a good alternative to Flow.org?
     
  11. Javascript Debugger (Venkman) icon
     1 like

    Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

    8 Javascript Debugger (Venkman) alternatives
    Javascript Debugger (Venkman) screenshot 1

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Firefox

    Javascript Debugger (Venkman) Features

    1.  Embedded debugger
    2.  Debugging
    3.  Live css editing
    Javascript Debugger (Venkman) iconFlow.org Icon

    Javascript Debugger (Venkman) VS Flow.org

    Is this a good alternative to Flow.org?
     
  12. DOMScope icon
     1 like

    DOMScope is an online web inspector and debugger for mobile web apps. Like Chrome's DevTools, it allows developers to navigate through the HTML, list applied CSS styles and execute JavaScript code inside any device's browser.

    11 DOMScope alternatives
    Landing page

    License model

    • FreeProprietary

    Platforms

    • Online

    DOMScope Features

    1.  Cross browser testing
    DOMScope iconFlow.org Icon

    DOMScope VS Flow.org

    Is DOMScope a good alternative to Flow.org?
     
12 of 14 Flow.org alternatives