@rongcuid Thanks for your feedback. I have a website running 6 years, I want to try this Meili but I hope to I can get more feedbacks.. otherwise its a bit troublesome for us to test it in our public website..
The plugin repository is the one in nodebb admin. But the thing about it is that there is no moderation there - it's just npm packages that have nbbpm attribute and compatibility string. If the compatibility string is wrong, there is no way for NodeBB to verify that. You can learn about it here.
Other than that you can just search GitHub, NPM and GitLab for names starting with