Trae is an adaptive AI IDE that transforms how you work, collaborating with you to run faster.




Project IDX is described as 'Entirely web-based, integrated development environment. IDX can help you build and deploy applications in various tech stacks without the tedium of setting up development environments for yourself and others on your team' and is a Code Editor in the development category. There are more than 50 alternatives to Project IDX, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux, BSD and Flathub apps. The best Project IDX alternative is Notepad++, which is both free and Open Source. Other great sites and apps similar to Project IDX are Visual Studio Code, Sublime Text, VSCodium and Vim.
Trae is an adaptive AI IDE that transforms how you work, collaborating with you to run faster.




JetBrains WebStorm is a commercial IDE for JavaScript, CSS & HTML built on JetBrains' IntelliJ IDEA platform.





A powerful IDE for data science, Zasper excels with massive concurrency support, enabling numerous simultaneous connections, minimal memory usage, and speedy performance. Suited for REPL-style data apps like Jupyter notebooks, fully supported on Mac with limited Linux support.




CodeEdit is a code editor built by the community, for the community, written entirely and unapologetically for macOS. Features include syntax highlighting, code completion, project find and replace, snippets, terminal, task running, debugging, git integration, code review...




Bluefish is a powerful editor targeted towards programmers and webdesigners, with many options to write websites, scripts and programming code. Bluefish supports many programming and markup languages, and it focuses on editing dynamic and interactive websites.



PSPad is a freeware programmers editor in 8 languages for Microsoft Windows operating systems. Some features are highlighted syntax, ftp, projects and so on. Code explorer for Pascal, C/C++, INI, HTML, XML, PHP and more in development, internal web browser with APACHE support.




UltraEdit is the ideal text, HTML and HEX editor, and an advanced PHP, Perl, Java and JavaScript editor for programmers. An industry-award winner, UltraEdit supports disk-based 64-bit file handling (standard) on 32-bit Windows platforms (Windows 2000 and later).




UltraEdit is the most popular commercial alternative to Project IDX.
SciTE is a SCIntilla based Text Editor. Originally built to demonstrate Scintilla, it has grown to be a generally useful editor with facilities for building and running programs. It is best used for jobs with simple configurations - I use it for building test and demonstration...


Squircle CE is a fast, lightweight code editor and file manager with support for over 30 programming languages, remote file access via SFTP/FTP(S) and Git VCS integration. Whether you're a student, hobbyist, or professional developer, Squircle CE lets you write, manage, and...



Phoenix Code is a text editor designed to make coding as intuitive and fun as playing a video game - specially crafted for web developers, designers, and students.

Phoenix Code is the most popular Self-Hosted alternative to Project IDX.
With Theia you can develop one IDE and run it in browsers or native desktop application from a single source. Theia is designed in a modular way to allow extenders and adopters customizing and extending every aspect of it.



