UI

ActionSheetPicker https://github.com/TimCinel/ActionSheetPicker

Objectice-C

libextobjc

<pre>

import "EXTScope.h"

// Do stuff
@weakify(self)
[self.context performBlock:^{
// Create a strong reference to self, based on the previous weak reference.
// This prevents a direct strong reference so we don't get into a retain cycle to self.
// Also, it prevents self from becoming nil half-way, but still properly decrements the retain count
// at the end of the block.
@strongify(self)

// You can just reference self as you normally would. Hurray.
NSError *error;
[self.context save:&error];

// Do something

}];
</pre>

iConsole
PureLayout
SVPullToRefresh
TMCache
TSMessages https://github.com/KrauseFx/TSMessages
FastCoding 把任意的object转成NSData

xcode

chisel - facebook lldb debug