IntelliJ IDEA is a powerful, feature‑rich IDE for JVM‑based languages and beyond. Whether you need a lightweight code editor, a different language‑focused IDE, or a modern Git‑centric repository tool, the list below offers 20 strong alternatives across code editing and source‑control management.
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Free, extensible, cross‑platform editor with a rich marketplace of extensions for languages, debugging, and Git integration.
Open‑source, modular IDE primarily for Java but supports many languages via plugins; includes built‑in Git tooling.
Free IDE with strong support for Java, PHP, JavaScript, and Maven/Gradle projects; includes Git, Mercurial, and Subversion integration.
Lightning‑fast, proprietary text editor with a powerful API, multi‑selection editing, and a large ecosystem of packages.
Hackable open‑source editor from GitHub, built on Electron, with built‑in GitHub integration and a vibrant package library.
Highly configurable terminal‑based editor known for its efficiency and extensibility via plugins and scripts.
Extensible, self‑documenting editor with a Lisp‑based extension system; supports virtually any programming language.
Full‑featured IDE for .NET, C++, Python, and more; includes advanced debugging, profiling, and integrated Git support.
Apple’s official IDE for macOS, iOS, watchOS, and tvOS development; includes Interface Builder and Git integration.
Official Android development IDE based on IntelliJ IDEA, with specialized tools for mobile app development and Git.
User‑friendly Git client that simplifies repository cloning, branching, and pull‑request workflows on Windows and macOS.
Cross‑platform Git GUI with visual commit history, built‑in merge conflict resolver, and integration with GitHub, GitLab, and Bitbucket.
Free Atlassian Git and Mercurial client offering a visual interface for repository management and branching.
Lightweight, collaborative code editor from JetBrains that can grow into a full IDE; supports remote development and Git.
Refactored Vim with modern architecture, asynchronous plugin support, and built‑in LSP integration.
KDE Advanced Text Editor offering multi‑document editing, syntax highlighting for many languages, and built‑in Git diff view.
Small, fast IDE that provides basic IDE features (syntax highlighting, build system, VCS integration) for many languages.
Open‑source editor focused on web development with live preview, preprocessor support, and Git extensions.
Free, cross‑platform C/C++ IDE with customizable plugins and built‑in support for Git via external tools.
Web‑based DevOps platform offering Git repository hosting, CI/CD pipelines, and an integrated code editor for quick edits.