WPMU DEV appear to have a lot of things covered in their free plugin offering.
Even without their membership there’s a lot of value to be gained, but it also makes considering their membership worthwhile.
This blog article from WPMU DEV does a neat job of explaining how their range of plugins fit into your plugin-mix
List of Free Plugins from WPMU DEV
- Smush Image Compression and Optimization
- Hummingbird Page Speed Optimization
- SmartCrawl SEO
- Defender Security, Monitoring, and Hack Protection
- Hustle – Pop-Ups, Slide-ins and Email Opt-ins
- Forminator Contact Form, Poll & Quiz Builder
Smush Image Compression and Optimization
This helps compress images, reducing file size and page load times.
Hummingbird Page Speed Optimization
This offers page speed optimisation tools, including GZIP compression, page caching, browser caching and file minifying.
Overall it’s about speeding up page load times.
Basically, an alternative to Yoast SEO. And that pretty much says it all.
Defender Security, Monitoring, and Hack Protection
A security plugin with a big claim. If you can find a free plugin which offers more security to your site, you get a free years membership.
Hustle – Pop-Ups, Slide-ins and Email Opt-ins
Delivering popups, opt-ins and fly-ins it’s an alternative to a bunch of plugins like Optin-monster or bloom thrown together.
Forminator Contact Form, Poll & Quiz Builder
Delivering more than a contact form solution, with the ability to create polls and quizzes. Not mainstream functionality, but maybe upping the game for contact form plugins.