Keeping an eye on your Mac's hardware and resource usage is helpful, but there is no accessible way to do so without third-party utilities.

Stats is an open-source app designed to help you monitor temperature, voltage, power draw, battery level, as well as general resource usage, from the menu bar. It is fully configurable, unobtrusive, and quite easy to use.

PhotoSweeper helps quickly and efficiently eliminate similar or duplicate photos. It works with photos from iPhoto, Aperture and Adobe Lightroom libraries as well as photos from your Mac.

Yate was developed for people who want complete control over their tagging experience. Supports audio in AIFF, DFF, DSF, FLAC, M4A, M4B, MP3, MP4, STEM.MP4 and WAV files. Supports video in M4V and MP4.

n-Track Studio 10 Suite provides musicians and producers with a complete DAW environment for recording, editing, and mixing with an easy workflow and audio resolution up to 24-bit / 192 kHz. It supports an unlimited number of audio and MIDI tracks, as well as plug-ins including VST, VST3, DirectX, AU, and ReWire.

GIFfun is a GIF maker that allows you to create animated GIFs from your life photos and videos. It's the best GIF editor to animate your photos/videos in a few seconds.