NetBeans is a free, open‑source IDE for Java, PHP, HTML5, and more. Looking for other code editors or source‑code repository platforms? Below are 20 alternatives spanning lightweight editors, full‑featured IDEs, and repository hosting services.
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Microsoft’s free, extensible code editor with built‑in Git support, marketplace extensions, and debugging for many languages.
JetBrains’ free IDE focused on Java and Kotlin development, offering smart code completion and version‑control integration.
A mature, open‑source IDE primarily for Java but extensible via plugins for C/C++, PHP, and more, with built‑in Git tooling.
A fast, cross‑platform text editor with powerful shortcuts, multiple selections, and a rich plugin ecosystem.
GitHub’s hackable text editor with built‑in package manager, theming, and Git integration (now community‑maintained).
JetBrains’ free IDE for Python development, featuring code analysis, debugging, and Git integration.
A lightweight, collaborative IDE from JetBrains that can grow into a full‑featured environment, supporting many languages and Git.
A highly configurable terminal‑based editor with modal editing, extensible via plugins, and native Git integration via plugins.
A modern refactor of Vim offering async plugin architecture and improved UI integrations.
An extensible, Lisp‑based editor with powerful customization, Magit for Git, and IDE‑like features.
A lightweight Windows text editor with syntax highlighting, macro support, and basic source‑control plugins.
An open‑source editor focused on web development, with live preview and Git extensions.
A free, cross‑platform IDE for C, C++, and Fortran, featuring customizable build systems and version‑control plugins.
A lightweight IDE supporting many languages, with simple project management and optional Git integration.
The world’s largest Git hosting platform, offering pull‑requests, issue tracking, CI/CD via Actions, and project boards.
A complete DevOps platform with Git repository hosting, CI/CD pipelines, issue boards, and self‑hosted options.
Atlassian’s Git (and Mercurial) hosting service with built‑in CI (Pipelines) and tight Jira integration.
Microsoft’s cloud‑based Git repositories with pull‑request reviews, branch policies, and integration with Azure pipelines.
Fully managed source‑control service that hosts secure Git repositories with IAM‑based permissions.
A lightweight, self‑hosted Git service written in Go, offering issue tracking, wiki, and CI integration.