* [OpenSEO v0.1.6](https://github.com/every-app/open-seo) – SEO tool focused on pay-as-you-go, self-hosted workflows for keyword research, domain insights, backlinks, and site audits.

* [all-in-one-seo-pack 5.0.1](https://github.com/awesomemotive/all-in-one-seo-pack) – WordPress plugin that provides comprehensive SEO tools and optimization features.