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Code::Blocks vs Eclipse IDE for C/C++ Developers: catalog facts
Code::Blocks	Eclipse IDE for C/C++ Developers
Free Free to use, with the project accepting donations.	Free Free and open source under the Eclipse Public License.
Windows, Linux	Windows
Dedicated support for C, C++ and Fortran Plugin framework makes it highly configurable	C and C++ tooling bundled in one package Open source with long-running foundation governance
Long gaps between major releases Focused on C-family languages and Fortran rather than general use	Heavier than a plain code editor The Eclipse workspace model takes some getting used to
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: EPL-1.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.