Mac Apps for Coding Utilities

AppHack

Free

Change property lists and icons of any app.

ExtendScript Toolkit

Free

scripting utility for developing JavaScript

XML/XSLT BBEdit Script collection

Free

BBEdit XSL coding facilities

[incr Tcl]

Free

Incr Tcl: Essential if you're still using Tcl

SCPlugin

Free

Integration of Subversion into the Finder.

Visual Studio Code

Free

Build and debug state-of-the-art Web and cloud applications with best-in-class, free source-code editor.

JSON Coffee Editor

Paid

Edit JSON data on your Mac.

Corona

Paid

Create mobile apps for iPhone, iPad and Android.

CodeBox

Paid

Feature-rich code snippet manager for developers and designers with an intuitive user interface.

SourceGear DiffMerge

Free

Visually compare & merge files.

OpenGL Extensions Viewer

Free

View OpenGL accelerator info.

Color Picker Pro

Trial version

Find hex, RGB & HSL color values for CSS/HTML.

JSON Validator

Free

Paste in some JSON that's giving you trouble and this will highlight in red where the problem is.

Tincta

Free

Modern, one-window, programmer's text editor.

Dialog Maker

Paid

AppleScripting utility which creates rich GUI commands quickly and easily.

Balsamiq Wireframes

Trial version

Organize yourself to work faster and smarter.

ElfData XML Editor

Free

DTD-validating XML building tool

GitKraken for Mac

Free

Make Git commands and processes easy, fast, and intuitive.

SvnX

Free

GUI wrapper for Subversion, a CVS replacement.

MindVision Installer VISE

Trial version

Build an installer with a few drag and drop.

Tapir

Paid

create global menu items that display command output

XTemplate

Free

XCode template builder

SCARD_Plugin

Free

REALbasic smart card plugin for implementation of PCSC

JIRA Client

Trial version

Interactive desktop client for Atlassian JIRA issue tracker.