App School for Xcode and iOS 10 Development lets you learn Xcode 8 and how to build apps for iOS 10 using Swift 3. The app includes video tutorials showing you how to build different kinds of apps and use different user interface elements. The tool comes with written tutorials and source codes, making it easy to follow along.
Debug Domain Name Servers with a handy networking developer tool.
SnailGit adds Git features to Finder, providing icon overlays to Git working copies and easy access to most used Git features.
Simple-to-use web form builder.
It defines a set of parsing rules for all markup, whether valid or invalid.
Search for, compare, and choose the right symbol from SF Symbols.
HTMLValidator is a Mac OS X app that validates web pages.
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