Mac OS X Softwares to Annotate screenshots

Collexio is a comprehensive platform designed for collecting, organizing, collaborating on, and sharing various forms of digital content. It empowers individuals and teams to curate knowledge, manage projects, and distribute information seamlessly across their network.

Monosnap is a powerful and versatile free screenshot and screen recording utility available for both macOS and Windows. It offers a comprehensive set of tools for capturing, annotating, and sharing visual content effortlessly.

Droplr is a comprehensive, cloud-based file sharing tool designed primarily for macOS, providing a seamless and efficient way to share screenshots, screencasts, files, and more.

Skitch simplifies capturing, annotating, and sharing screenshots and images. Its intuitive tools allow for quick edits and elaborations, making communication clearer and more efficient.

Lightshot is a lightweight and easy-to-use screenshot tool designed for speed and flexibility. It allows users to quickly capture, edit, and share screenshots with minimal effort. Ideal for fast communication and visual collaboration.

Jing is a free screencasting and screenshot utility from TechSmith, designed for quick captures and sharing. It provides basic annotation tools and direct upload options, making it easy to add visual context to conversations and online content.

Awesome Screenshot is a powerful browser extension for Chrome, Firefox, and Safari, offering a comprehensive suite of tools for capturing, annotating, and sharing screenshots and screen recordings. It simplifies visual communication, making it easy to grab, mark up, and share anything on your screen.