jaywcjlove

I personally recommend this. This is a platform where you can compare apps side-by-side, you might get an idea by seeing other users recommendations. Please contribute if you find an application from this list!

Slant

http://appshopper.com/

MacStories

Quora

Learn about getting the most from your Apple technology with focused topics and workflow guests.

Mac Power Users

Simplifies finding, buying and installing apps for your Mac.

MacUpdate Desktop

The missing package manager for macOS.

Homebrew

Open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system.

MacPorts

GUI client for Homebrew. Install, check or remove apps, no command-line needed.

Cakebrew

Quick Look extension for highlight source code files. -

Syntax Highlight

Also a very nice community. If you are looking for some alternative apps FOR Windows or another platform, check this site.

alternativeTo

XtraFinder

The best apps for Mac in one suite.

Setapp

Unobtrusive menu bar app for OS X that allows MacBook Pro users to see which apps are affecting their battery life by using the more power-hungry graphics.

gfxCardStatus

Quick Look extension for Markdown files. -

QLMarkdown

List of useful Quick Look plugins for developers

quick-look-plugins

Proprietary computer software package for remote control, desktop sharing, online meetings, web conferencing and file transfer between computers.

TeamViewer

A beautiful Instagram experience for your Mac. The free version is good enough if you only want to do the browsing instead of posting.

Flume

The original and best software for remote access across desktop and mobile.