Listr - Listr lets you explore some of the best lists on Twitter, curated across your favorite categories.
1Password - 1Password can create strong, unique passwords for you, remember them, and restore them, all directly in your web browser.
Refined Twitter - A browser extension that improves the Twitter experience
Know Your Attack Surface - Your digital assets exposed to the internet create threats.
Blindfold - Make your life on Twitter more positive
Padlock - Padlock is an open-source password manager that is available as an app for multiple platforms. It can be used on Android and iOS devices, and it can also be installed as a Chrome extension.