A PHP commandline helper for WordPress stuff and things.
(removed from WordPress' plugins list, see below)
A spam protector that replaces Askismet.
A plugin that generates a basic mobile-friendly theme.
It's not great, but it'll do for now.
Delete old revisions and optimize your WordPress database.
This halved the size of my database.
An operating system most notably on mobile phones, but also found on media boxes.
Fundamentally flawed - It is tethered to Google in as many ways as they've made possible. From a time server, to internet traffic compression. From google play requiring an account requiring your verified phone number. From hoops to download and install software from their store. It's fucking awful.
Became mandatory when Curse sold out to Twitch or some Zam-related shit.
A package manager, notably used by Debian.
Bookmarks > Reload Favorite Icons
A tool to make it ridiculously easy to not just find and edit broken links, but has other features to apply to them, like changing their style.
Recommended by Internet Archive, which is good enough for me.