TypeScript Alternatives (September 2025)

TypeScript extends JavaScript by adding types to the language. TypeScript speeds up your development experience by catching errors and providing fixes before you even run your code.

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3.
Transcrypt - Python in the browser - Lean, fast, open!
https://www.transcryp
.org/

The Transcrypt Python to JavaScript compiler makes it possible to program lean and fast browser applications in Python. Transcrypt applications can use any JavaScript library and can also run on top of Node.js or be used in combination with Django.

4.
PhpStorm: The PHP IDE by JetBrains
https://www.jetbrain
.com/phpstorm/

Explore the PhpStorm IDE for web projects. Get everything you need for PHP, JavaScript, and SQL coding out of the box

6.
Visual Studio Code - Code Editing. Redefined
https://code.visualstudi
.com/

Visual Studio Code is a code editor redefined and optimized for building and debugging modern web and cloud applications.  Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows.

7.
CodeLobster - Free portable cross-platform PHP IDE with support Drupal, Smarty, Twig, WordPress, Joomla, JQuery, CodeIgniter, HTML, CSS, JavaScript, AngularJS, CakePHP, TypeScript, Python, Node.js, Laravel, Phalcon, Symfony, Yii
https://www.codelobste
.com/

CodeLobster - Free portable cross-platform PHP IDE with support Drupal, Smarty, Twig, WordPress, Joomla, JQuery, CodeIgniter, HTML, CSS, JavaScript, TypeScript, AngularJS, CakePHP, Python, Laravel, Phalcon, Symfony, Yii

8.
Sublime Text - Text Editing, Done Right
https://www.sublimetex
.com/

Sublime Text is a sophisticated text editor for code, markup and prose. You'll love the slick user interface, extraordinary features and amazing performance.

10.
JavaScript Charts & Maps - amCharts
https://www.amchart
.com/

JavaScript charts and maps data-viz libraries for web, dashboards, and applications. Fast and flexible. React/Angular compatible. Since 2006.

11.
Brackets - A modern, open source code editor that understands web design.
https://bracket
.io/

Brackets is a lightweight, yet powerful, modern text editor. We blend visual tools into the editor so you get the right amount of help when you want it. With new features and extensions released every 3-4 weeks, it's like getting presents all year long.

12.
DHTMLX JS Library | JavaScript/HTML5 UI Framework | JavaScript UI Library
https://dhtml
.com/

DHTMLX UI libraries are pure JavaScript/HTML5 client-side widgets for high-speed web and mobile development. They are easily customizable and configurable via API.

13.
CodeSonar Static Application Security Testing (SAST) Software Tool | CodeSecure
https://codesecur
.com/our-products/codesonar/

CodeSonar is a leader in Static Application Security Testing, delivering multi-language SAST capabilities for enterprises where software quality and software security matter.

14.
JCppEdit - Best IDE for Beginners
https://www.jcppedi
.com/

JCppEdit – Best IDE for Beginners to code many programs under a single environment starting from C, C++, Java to HTML, CSS, JavaScript and XML.

15.
Komodo IDE By ActiveState - One IDE for All Your Languages
https://www.activestat
.com/products/komodo-ide/

Code faster with Komodo IDE from ActiveState. Best multi-language IDE for today's web languages - Python, PHP, Perl, Golang, Ruby and more.

16.
JavaScript diagramming library for interactive UIs – JointJS
https://www.jointj
.com/

A proven JavaScript/TypeScript diagramming library that helps developers and companies of any size build visual and No-Code/Low-Code applications faster.

18.
19.
React
https://reac
.dev/

React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.

20.
Semantic UI
https://semantic-u
.com/

Semantic empowers designers and developers by creating a shared vocabulary for UI.

21.
Cloud IDE · Online Code Editor · Codeanywhere
https://codeanywher
.com/

Save time by deploying a development environment in seconds. Collaborate, code, learn, build, and run your projects directly from your browser.

22.
JavaScript UI Components - Build Better Apps Faster - Progress Kendo UI
https://www.teleri
.com/kendo-ui/

Quickly build eye-catching web apps using Kendo UI's ultimate collection of JavaScript UI components with libraries for jQuery, Angular, React, and Vue.

24.
JetBrains Fleet: More Than a Code Editor
https://www.jetbrain
.com/fleet/

Built from scratch, based on 20 years of experience developing IDEs. Fleet uses the IntelliJ code-processing engine, with a distributed IDE architecture and a reimagined UI.

25.
Source Insight Programming Editor and Code Browser
https://www.sourceinsigh
.com/

Source Insight is a programming editor & code browser with built-in live analysis for C/C++, C#, Java, and more; helping you understand large projects.

27.
Wing Python IDE - Designed for Python
https://wingwar
.com/

Full-featured Python IDE with editor, debugger, unit testing, error checking, refactoring, and much more. Designed for Python, for a more productive development experience.

30.
Code Quality, Security & Static Analysis Tool with SonarQube | Sonar
https://www.sonarsourc
.com/products/sonarqube/

Empower development teams with a code quality, security and static analysis solution that deeply integrates into your enterprise environment that enables you to deploy Clean Code securely, consistently and reliably.

31.
GraalVM
https://www.graalv
.org/

GraalVM is an advanced JDK with ahead-of-time Native Image compilation.

33.
JetBrains: Essential tools for software developers and teams
https://plugins.jetbrain
.com/

JetBrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including IntelliJ IDEA – the leading Java IDE, and the Kotlin programming language.

34.
Telerik & Kendo UI - .NET Components Suites & JavaScript UI Libraries
https://www.teleri
.com/

Save time building sleek web, mobile and desktop apps with professional .NET UI Components, JavaScript UI Libraries, Reporting and Automated Testing solutions.

35.
Brings Java, JavaFX, SWT, Netbeans, Applet to browser | Webswing
https://www.webswin
.org/

It only takes 15 minutes to run your desktop application in the browser. No need to change a single line of code.

37.
The Visual Studio Extension for .NET Developers
https://www.jetbrain
.com/resharper/

ReSharper is the most popular extension on Microsoft Visual Studio Marketplace with 2.5M+ downloads and has been boosting developer productivity since 2004

38.
BBBootstrap - Code snippets for Front end designers and developers
https://bbbootstra
.com/

Build your website faster and easier with ready made code snippets made with Bootstrap, Tailwind CSS, Vue.js, html, css, Javascript,Jquery.

39.
DeepSource: The Code Health Platform
https://deepsourc
.io/

Build maintainable, secure software with the code health platform. Trusted by 3,700+ companies. Try DeepSource and move fast without breaking.

40.
Amplify your Engineering Productivity with Typo | Software Engineering Intelligence Platform
https://typoap
.io/

Ship better software faster with AI-powered SDLC insights, automated developer workflows & business-aligned allocations. Connect your Git, JIRA, CI/CD, Slack within minutes & improve your engineering productivity. Try for FREE now!

41.
PyCharm: the Python IDE for data science and web development
https://www.jetbrain
.com/pycharm/

The Python IDE for data science and web development with intelligent code completion, on-the-fly error checking, quick-fixes, and much more.

42.
The Next Generation WYSIWYG HTML Editor | Rich Text Editor
https://froal
.com/

Froala's WYSIWYG Editor is a beautiful JavaScript web editor that's easy to integrate for developers and your users will fall in love with its clean design.

43.
Highcharts - Interactive Charting Library for Developers
https://www.highchart
.com/

Create interactive data visualization for web and mobile projects with Highcharts core, Highcharts Stock, Highcharts Maps, Highcharts Dashboards, and Highcharts Gantt, using Angular, React, Python, R, .Net, PHP, Java, iOS, and Android

45.
PHP IDE - NuSphere PhpED - Complete PHP IDE for PHP Development
https://nuspher
.com/

PhpED - PHP IDE integrated development environment for developing web sites using PHP, HTML, Perl, JScript and CSS that combines a comfortable editor, debugger, profiler with the MySQl, PostrgeSQL database support based on easy wizards and tutorials.Easy to use for debugging PHP scripts, publishing projects to remote servers through FTP, WebDAV, CVS. It is suitable for multiple developers and very large projects. Working with SOAP servers.

46.
Sourcegraph | Code Intelligence Platform
https://sourcegrap
.com/

Sourcegraph’s code intelligence platform makes it easy for devs to write, fix, and maintain code with Cody, the AI coding assistant, and Code Search.

47.
Codiga: Static Code Analysis in Real-Time
https://www.codig
.io/

Static Code Analysis in VS Code, JetBrains, VisualStudio, GitHub, GitLab and Bitbucket.

48.
Download Android Studio & App Tools - Android Developers
https://developer.androi
.com/studio/

Android Studio provides app builders with an integrated development environment (IDE) optimized for Android apps. Download Android Studio today.

49.
The Most Advanced WYSIWYG Editor | Trusted Rich Text Editor | TinyMCE
https://www.tin
.cloud/

TinyMCE is the most advanced WYSIWYG HTML editor designed to simplify website content creation. The rich text editing platform that helped launched Atlassian, Medium, Evernote and more.

50.
Website design software | Adobe Dreamweaver
https://www.adob
.com/products/dreamweaver.html/

Quickly create and publish web pages almost anywhere with Adobe Dreamweaver responsive web design software that supports HTML, CSS, JavaScript, and more.

51.
CodeSandbox: Instant Cloud Development Environments
https://codesandbo
.io/

CodeSandbox is a cloud development platform that empowers developers to code, collaborate and ship projects of any size from any device in record time.

52.
Migrate and Secure Code with Automated Refactoring at Scale
https://www.modern
.io/

Understand your code like never before. Automate fast, accurate fixes across 1,000s of repos at once. Become a 100x development team. Request a demo.

53.
Software | Arduino
https://www.arduin
.cc/en/software/

Open-source electronic prototyping platform enabling users to create interactive electronic objects.

55.
Gradle Build Tool
https://gradl
.org/

Accelerate developer productivity. Gradle helps teams build, automate and deliver better software, faster.

56.
Cody | AI coding assistant
https://sourcegrap
.com/cody/

Cody is the most powerful and accurate AI coding assistant for writing, fixing, and maintaining code.

57.
WYSIWYG HTML Editor with Collaborative Rich Text Editing
https://ckedito
.com/

Rock-solid, Free WYSIWYG Editor with Collaborative Editing, 200+ features, Full Documentation and Support. Trusted by 20k+ companies.

58.
What is .NET? An open-source developer platform.
https://dotnet.microsof
.com/en-us/learn/dotnet/what-is-dotnet/

.NET is a free, cross-platform, open-source developer platform. .NET has languages, editors, and libraries to build for web, mobile, desktop, games, and IoT.

60.
Bluefish Editor : Home
https://bluefish.openoffic
.nl/

Home of the Bluefish Editor, a powerful editor targeted towards programmers and webdesigners. It supports working with local and remote files, syntax highlighting and a WYSIWYN interface.

61.
EditPlus - Text editor with FTP, FTPS and sftp capabilities
https://www.editplu
.com/

EditPlus is a text editor for Windows with built-in FTP, FTPS and sftp capabilities. While it can serve as a good Notepad replacement, it also offers many powerful features for Web page authors and programmers.

64.
SonarCloud Online Code Review as a Service Tool | Sonar
https://sonarclou
.io/login/

SonarCloud extends your CI/CD workflow with an online code review solution that easily integrates into your cloud DevOps platform, to provide code review as a service & deliver clean code consistently and efficiently.

65.
JavaScript charts for web & mobile | FusionCharts
https://www.fusionchart
.com/

JavaScript charts for web and mobile apps. 95+ chart types, 1400+ maps and 20+ business dashboards with pre-built themes for any business use-case. Build fast, responsive and highly customizable data visualizations trusted by over 28,000 customers and 750,000 developers worldwide.

66.
IntelliJ IDEA – the Leading Java and Kotlin IDE
https://www.jetbrain
.com/idea/

IntelliJ IDEA is undoubtedly the top-choice IDE for software developers. It makes Java and Kotlin development a more productive and enjoyable experience.

67.
GitHub Copilot · Your AI pair programmer · GitHub
https://githu
.com/features/copilot/

GitHub is where people build software. More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects.

68.
Microsoft Build of OpenJDK
https://www.microsof
.com/openjdk/

The Microsoft Build of OpenJDK is a new no-cost long-term supported distribution and Microsoft’s new way to collaborate and contribute to the Java ecosystem.

70.
NINJA IDE | Tech Guides - Code - How To
https://ninja-id
.org/

Ninja-IDE is an open-source Python IDE. You will find guides on Windows, Cyber Security and Linux along with downloads for software and Apk.

71.
Summernote - Super Simple WYSIWYG editor
https://summernot
.org/

Super Simple WYSIWYG Editor on Bootstrap Summernote is a JavaScript library that helps you create WYSIWYG editors online.

72.
Zend Server: The All-In-One PHP Server | Zend by Perforce
https://www.zen
.com/products/zend-server/

Zend Server provides a complete PHP development platform including an integrated PHP stack, long-term PHP support, and other tools. Try our PHP server today.

73.
JavaScript Charting Library | AnyChart JS Charts | AnyChart
https://www.anychar
.com/products/anychart/overview/

AnyChart JS Charts is an award-winning JavaScript charting library with great API, docs & support. Easy data visualization for any web, desktop & mobile apps.

74.
DevExtreme - JavaScript UI Components for Angular, React, Vue and jQuery by DevExpress
https://js.devexpres
.com/

DevExtreme documentation and online developer guides are available for Angular, React, Vue, and jQuery. Select your target JavaScript framework and get started with DevExtreme today.

76.
Tabnine AI code assistant | Private, personalized, protected
https://www.tabnin
.com/

Tabnine is the AI code assistant that accelerates and simplifies software development while keeping your code private, secure, and compliant.

77.
ApexCharts.js - Open Source JavaScript Charts for your website
https://apexchart
.com/

ApexCharts is a a free and open-source modern charting library that helps developers to create beautiful and interactive visualizations for web pages.

78.
Retiring the Nuclide Open Source Project | Nuclide
https://nuclid
.io/

Nuclide is built as a single package on top of Atom to provide hackability and the support of an active community. It provides a first-class development environment for React Native, Hack and Flow projects.

79.
Klocwork for C, C++, C#, Java, JavaScript, Python, Kotlin | Perforce
https://help.klocwor
.com/

Klocwork is a static code analysis and SAST tool. This tool for C++, C#, Python, Kotlin JavaScript, and Java static code analyzer identifies software security, quality, and reliability issues helping to enforce compliance with standards.

80.
Flutter - Build apps for any screen
https://flutte
.dev/

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

81.
Doc-O-Matic - Source Code Documentation and Help Authoring Tool
https://www.doc-o-mati
.com/

Doc-O-Matic is a software source code documentation and Help authoring tool. It takes source code and comments, adds conceptual topics and external input and produces documentation from it. With its single-source approach it generates many different kinds of output from a single documentation base.

83.
Next generation code analysis | CodeScene
https://codescen
.com/

CodeScene is a code analysis and visualization tool. Measure and improve code quality, team dynamics, and delivery. Effectively reduce technical debt, deliver clean code.

84.
Xojo: Cross-platform App Development Tool
https://www.xoj
.com/

Xojo is a cross-platform development tool and object-oriented programming language for creating powerful, native applications for macOS, Windows, Linux, the web, iOS, Android and Raspberry Pi.

85.
Polypane, The browser for ambitious web developers
https://polypan
.app/

A stand-alone browser and devtool that helps you build better sites in less time. All the tools you need in one app.

87.
89.
Free online proofreading and essay editor
https://typel
.com/

Typely is a free online proofreading application that helps you write better English

90.
IDL Software Programming Language | Interactive Data Visualization
https://www.nv5geospatialsoftwar
.com/products/idl/

Understand your data with IDL programming language software. This interactive visualization solution transforms numerical data into meaningful insights.

92.
Descript | All-in-one video & podcast editing, easy as a doc.
https://www.descrip
.com/

There are simple podcast & video editors and there are powerful ones. Only Descript is both & it features magical AI, so you can skip the hard part of editing. Get started for free.

94.
Codeium · Free AI Code Completion & Chat
https://codeiu
.com/

Codeium offers best in class AI code completion, search, and chat — all for free. It supports over 70+ languages and integrates with your favorite IDEs, with lightning fast speeds and state-of-the-art suggestion quality.

95.
Home - Eiffel Software - The Home of EiffelStudio
https://www.eiffe
.com/

Eiffel Software is the leader in making software projects predictable and controllable. EiffelStudio enables software developers to quickly develop systems that work the first time around and that are easy to adapt when the world and the needs change.

96.
What is NI LabVIEW? Graphical Programming for Test & Measurement - NI
https://www.n
.com/en/shop/labview.html/

LabVIEW is a graphical programming environment that provides unique productivity accelerators for test system development, such as an intuitive approach to programming, connectivity to any instrument, and fully integrated user interfaces.

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Novu - Open-source notifications infrastructure and framework
https://nov
.co/

Novu empowers developers and product teams to collaborate seamlessly on notification management. Its unified platform provides centralized content, type-safe schemas, and reusable components, facilitating efficient workflows. With code-first and no-code tools, teams can easily customize and deploy notifications across multiple channels like email, SMS, push, chat, and in-app. Novu enhances communication, reduces friction, and ensures reliable, scalable, and personalized user experiences while maintaining full visibility and control over notifications.