Cassowary alternatives and similar libraries

Based on the "Auto Layout" category.
Alternatively, view Cassowary alternatives based on common mentions on social networks and blogs.

SnapKit

9.9 4.1 L3 Cassowary VS SnapKit

A Swift Autolayout DSL for iOS & OS X
PureLayout

9.8 1.0 L4 Cassowary VS PureLayout

The ultimate API for iOS & OS X Auto Layout — impressively simple, immensely powerful. Objective-C and Swift compatible.

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Cartography

9.7 2.3 L5 Cassowary VS Cartography

A declarative Auto Layout DSL for Swift :iphone::triangular_ruler:
TinyConstraints

9.2 2.5 L4 Cassowary VS TinyConstraints

Nothing but sugar.
EasyPeasy

8.3 0.0 L4 Cassowary VS EasyPeasy

Auto Layout made easy
SwiftAutoLayout

6.1 0.0 L5 Cassowary VS SwiftAutoLayout

Tiny Swift DSL for Autolayout
EasySwiftLayout

4.6 1.2 Cassowary VS EasySwiftLayout

Lightweight Swift framework for Apple's Auto-Layout
Cupcake

4.5 0.0 Cassowary VS Cupcake

An easy way to create and layout UI components for iOS (Swift version).
MisterFusion

4.5 0.0 L5 Cassowary VS MisterFusion

MisterFusion is Swift DSL for AutoLayout. It is the extremely clear, but concise syntax, in addition, can be used in both Swift and Objective-C. Support Safe Area and Size Class.
QuickLayout

4.1 1.6 Cassowary VS QuickLayout

Written in pure Swift, QuickLayout offers a simple and easy way to manage Auto Layout in code.
DeviceLayout

3.5 0.0 Cassowary VS DeviceLayout

📱AutoLayout can be set differently for each device
Swiftstraints

3.0 0.0 L5 Cassowary VS Swiftstraints

Auto Layout In Swift Made Easy
VFLToolbox

3.0 0.0 L4 Cassowary VS VFLToolbox

fancy Swift implementation of the Visual Format Language.
KVConstraintKit

2.6 0.0 Cassowary VS KVConstraintKit

An Impressive Auto Layout DSL for iOS, tvOS & OSX. & It is written in pure swift.
Mortar

2.4 0.0 L2 Cassowary VS Mortar

A compact but full-featured Auto Layout DSL for Swift
Restraint

2.3 0.0 L5 Cassowary VS Restraint

Minimal Auto Layout in Swift
Bamboo

2.1 0.0 Cassowary VS Bamboo

Auto Layout (and manual layout) in one line.
WWLayout

1.8 4.2 Cassowary VS WWLayout

Swifty DSL for programmatic Auto Layout in iOS
FrameLayoutKit

1.6 5.7 Cassowary VS FrameLayoutKit

FrameLayoutKit is a super fast and easy to use autolayout kit
FormationLayout

1.6 0.0 L4 Cassowary VS FormationLayout

Yet Another Swift Auto Layout DSL
NorthLayout

1.0 0.6 Cassowary VS NorthLayout

The fast path to autolayout views in code
AutoLayoutPlus

0.9 0.0 L5 Cassowary VS AutoLayoutPlus

A bit of steroids for AutoLayout, powered by Swift.
EZLayout

0.7 0.0 Cassowary VS EZLayout

An easier and faster way to code Autolayout
SwiftyLayout

0.6 0.0 L5 Cassowary VS SwiftyLayout

Lightweight declarative auto-layout framework for Swift
Tails

0.5 0.0 L5 Cassowary VS Tails

Declarative Auto Layout in Swift, clean and simple
Swift-iOS-Localize-Constraint

0.3 0.0 L5 Cassowary VS Swift-iOS-Localize-Constraint

localize constraint on the fly
Draftsman

0.3 8.6 Cassowary VS Draftsman

Draftsman is a Layout builder based on AutoLayout with Declarative approach

* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.

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README

Cassowary Swift

A Swift port of the Cassowary linear constraints solver. Tested on OS X, iOS and Linux.

Example usage

let solver = Solver()

let left =  Variable("left")
let mid =   Variable("mid")
let right = Variable("right")

try solver.addConstraint(mid == (left + right) / 2)
try solver.addConstraint(right == left + 10)
try solver.addConstraint(right <= 100)
try solver.addConstraint(left >= 0)

solver.updateVariables()

// left.value is now 90.0
// mid.value is now 95.0
// right.value is now 100.0

try solver.addEditVariable(variable: mid, strength: Strength.STRONG)
try solver.suggestValue(variable: mid, value: 2)

solver.updateVariables()

// left.value is now 0.0
// mid.value is now 5.0
// right.value is now 10.0