Most interesting in IDE

Free
Java monitoring and troubleshooting tool that supports JDK 1.4+ and uses lightweight technologies fo
Vim
Free
A screen-based text editor for various documents.
Write and edit code in a simplified manner.
Free
Fast, clever, and free Hex Editor that has many unique features: Insert...
Free
A powerful application that allows users to edit TeX files.

Top rated in IDE

CocoaDialog
Free

OS X application that allows the use of common GUI controls such as file selectors...

Snippets
Free

Snippets stores the valuable pieces of code you can reuse in different projects.

FormEntry
Free

Create products for iPad, iPhone, or iPod touch.

Nvu
Free

A handy tool used for writing, editing and publishing web content.

Thonny
Free

Thonny is a new Python IDE meant for teaching/learning programming.

Docs for Xcode
Free

Install additional docsets into Xcode 5 and keep them up to date.

Xojo
Free

Development tool to create applications for Mac OS X, Windows, Linux, & the web.

InstaSign
Free

Process jailbroken iOS apps to install them.

TitaniumStudio
Free

Build, Test, and Deploy Mobile Cloud Apps in a Single Development Environment

Workspace.
Free

Workspace is a packaged e-commerce software for integrated e-business solutions.

Python
Free

Interpreted, interactive, object-oriented programming language.

UltraEdit
Free

Write, read, and edit projects in multiple languages.

Doxygen
Free

Create documents from annotated C++ sources.

MyScriptTrainer
Free

With MyScript Trainer Extension you can create your personal writing profile!

Bellhop
Free

Bellhop is a system utility that lets you write Mac OS X services.

MacGDBp

Debugging a live, running PHP application has never been so easy!

Platypus
Free

Create applications by wrapping command-line scripts.

RAGE ButtonDesign
Free

A utility for creating web buttons; exports can be made as CSS and HTML.

GitX
Free

It currently features a history viewer like gitk and a commit GUI like git gui.

jEdit
Free

A programmer’s tool supporting a wide array of languages.