Apache NetBeans vs Arm Keil MDK

Apache NetBeans is a development environment, tooling platform, and application framework for Linux, macOS, and Windows. Its editor highlights code by syntax and meaning and supports refactoring. Editors, wizards, and templates cover Java, PHP, and other languages, with plugins and linked support for JavaFX and JavaScript. The NetBeans Platform is a modular framework for Swing applications, with state saving, menus, toolbars, keyboard shortcuts, and window management. The IDE and Platform are free for commercial and non-commercial use under the Apache License; the listed plan is free. Apache NetBeans 31, dated August 10, 2026, supports running on JDK 26, 25, or 21, with initial support for JDK 27. Downloads include platform-independent binary and source ZIPs, plus linked installers for Windows, macOS, and Linux. Those installers are provided by committers for convenience, not as Apache Software Foundation releases. The release page provides SHA-512 hashes and PGP signatures. Windows/ARM is not fully supported, and older releases are no longer supported.

Arm Keil MDK is a toolchain for embedded software targeting Cortex-M and Ethos-U processors. MDK v6 supports command-line, IDE, and continuous-integration workflows across major operating systems. It includes Keil Studio extensions for Visual Studio Code, Keil μVision, Arm Compiler for Embedded, and Arm Fixed Virtual Platform models. Software packs add device and board support, middleware, components, code templates, and example projects independently of the toolchain. Keil Studio supports CMSIS workflows with an integrated debugger and extensions for creating, building, and testing embedded applications. Listed integrations include CMSIS-FreeRTOS, Keil RTX5, MDK-Middleware, IoT clients, CMSIS-DAP, ULink, and third-party debug adapters. Community is for non-commercial use. The listed MDK v6 Essential plan costs $99 a month per license; Professional costs $199 a month per license and adds Arm Virtual Hardware, functional-safety compiler tools, and legacy tools including Arm Compiler 5. Keil μVision is available only for Windows hosts.