Status bar menu applications are extremely useful because you have access to their capabilities at all times, without having to disrupt your work, or deal with complicated tools.

Magic Battery supports all Apple input and audio devices. Battery information will be shown in the menu bar and the main window.
The App Magic Battery shows the battery level of supported input devices and headphones that are connected via Bluetooth in the menu bar. Internal batteries are also supported.

It's like Serial Box, which has SN's but KCN also has cracks and patches. It would be best to have both of these collections, as this often has serials you cannot find in Serial Box.

KeePassXC is a community fork of KeePassX, a native cross-platform port of KeePass Password Safe, with the goal of extending and improving it with new features and bugfixes to provide a feature-rich, fully cross-platform, and modern open-source password manager.

QLab is a streamlined and intuitive macOS application that provides the required tools and features to create complex designs that can bring your audio and video content to life.