Code · Vendor site 2026-10-04
CodeIgniter is a lightweight PHP web application framework aimed at developers who want a small footprint toolkit for full-featured apps. Version 4 ships with MVC-friendly structure, strong security defaults, clear documentation, and performance-oriented core libraries.
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Free
Free
Framework downloads and documentation are open source under the project site with no paid tier advertised on the homepage.
No retained pricing changes yet. A current price alone does not establish a historical trend.
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Yes. CodeIgniter has an ongoing free plan. Framework downloads and documentation are open source under the project site with no paid tier advertised on the homepage.
CodeIgniter is listed as free. No paid plan with a published price was found.
We could not confirm API access for CodeIgniter.