CLion

CLion is ranked #6 of 62 in integrated development environments on Freedom251. It runs on Linux, macOS, Windows. There is a free plan. A free trial is offered. Paid plans start at $10.90/mo.

CLion plans and pricing

All plans

CLion Non-Commercial Free Free offer Individual non-commercial use · learning, self-education, open-source contributions without commercial benefits, content creation, and hobby development · support through public forums and a bug tracker jetbrains.com · 29 Sept 2026

CLion Commercial — Individual $10.90/mo Billed monthly Commercial development · free 30-day trial · support via private tickets, public forums, and a bug tracker jetbrains.com · 29 Sept 2026

Compared on integrated development environments

Free plan: Yes

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Free6.5

CLion

Purpose: CLion is a cross-platform IDE for C and C++ development.
Coding assistance: Its editor provides context-aware completion, code analysis, navigation, and automated refactorings.
Build systems: CLion supports CMake, Makefile, Bazel, Meson, and compilation database projects.
Debugging: CLion supports GDB and LLDB and includes memory and disassembly views, variable inspection, and core dump debugging.
Remote development: Remote workflows include a thin IDE client, full remote mode, Docker containers, WSL toolchains, and remote debugging.
Embedded development: Embedded development features include GCC ARM, IAR and custom toolchains, on-chip debugging, PlatformIO, STM32CubeMX, Zephyr, and FreeRTOS support.
Code analysis: CLion uses data flow analysis, Clangd-based checks, and Clang-Tidy, and integrates Google Sanitizers and Valgrind for runtime error detection.
Testing: CLion supports Google Test, Boost.Test, Doctest, and Catch with a built-in test runner.
Version control: CLion provides a unified interface for Subversion, Git, GitHub, Mercurial, CVS, and Perforce.
Additional languages: In addition to C and C++, CLion provides support for CMake, Python, JavaScript, XML, HTML, Markdown, and languages available through plugins.
Support: The non-commercial plan provides public forums and a bug tracker; the commercial plan also offers private tickets.
Usage limit: Commercial development requires a commercial subscription; the free plan is for non-commercial use.
Security and compliance: JetBrains says its Trust Center covers security practices, compliance certifications, data protection, and SOC 2 Type II and GDPR compliance.
System requirements: The installation guide lists Windows 10 or 11, macOS 15 or 26, and specified Linux distributions as supported operating systems.
Price from: $10.90/mo

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Where it ranks on Freedom251

Best Integrated Development Environments in 2026#6 of 62
Best IDE Software in 2026#8 of 51
Best C++ IDEs in 2026#4 of 22

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Sources

jetbrains.com/clion/· checked 29 Sept 2026
jetbrains.com/clion/features/· checked 29 Sept 2026
jetbrains.com/clion/buy/· checked 29 Sept 2026
jetbrains.com/legal/docs/privacy/trust-center/· checked 29 Sept 2026
jetbrains.com/help/clion/installation-guide.html· checked 29 Sept 2026