CleanMyMac X is an user friendly Mac app that comes with a stylish design and helps you detect the junk files, but also user and system cache / log files, broken preferences or login items, apps that have universal binaries (you can remove the executable that is not suitable for your architecture), language files (you can keep only the one you actually employ).

Email clients that support Gmail aren't exactly rare, but the vast majority of them use the IMAP protocol to retrieve and manage your messages, which means they can't take advantage of Gmail-specific features such as inbox categorization, labels, and synchronized signatures.

Mimestream goes about it differently — it uses the Gmail API, allowing it to provide most, though not quite all, of the features you are familiar with from Google's mail client. It's also worth noting that the app is written in Swift, so it will integrate very well with macOS and provide a much smoother experience than, for instance, an Electron-based app.

The System Dashboard Pro is a modern reinterpretation of the System Dashboard and offers more information than ever. The app has been completely redeveloped and optimized for the latest systems.

NetWorker shows network information conveniently in the menu bar. It also features a window that shows additional information about the currently active network adapter.

WiFi Signal is a system menu bar application that provides easy access to your Wi-Fi connection details (name, channel, transmit rate, signal strength, noise, etc.), monitors the signal quality of your wireless network, and can find and recommend alternative channels for your network thus avoiding signal overlapping and channel conflicts that can result in connectivity issues and performance degradation.

The System Toolkit is an all-in-one information and maintenance app designed for macOS.

EdgeView 5 is fast image viewer has elegant user interface. EdgeView 3 is developed and designed for modern MacOS. It can open various image files such as JPEG, PNG, TIFF, BMP, and RAW file of DSLR, EPS and PDF, AI(Adobe Illustrator). Can open image files in archive directly without extraction.

Boxy SVG project goal is to create the best SVG editor for non-technical users as well as for professional designers and developers.

SVG is the standard format for storing vector graphics such as icons, banners, charts and illustrations.