A Swift Autolayout DSL for iOS & OS X

Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.

Koin - a pragmatic lightweight dependency injection framework for Kotlin

Declarative web scraping

a language for fast, portable data-parallel computation

(ARCHIVED) Rant – The all-purpose procedural text library

🍃 Write concise Autolayout code

The ExpressionLanguage component provides an engine that can compile and evaluate expressions.

TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning

Ruby finite-state-machine-inspired API for modeling workflow

⛓ Easy to Read and Write Multi-chain Animations Lib in Objective-C and Swift.

Java client for Kubernetes & OpenShift

🎈 A lightweight popup like tooltips, fully customizable with an arrow and animations.

A DSL for writing type-safe HTML, XML and RSS in Swift.

Lightweight Ruby web crawler/scraper with an elegant DSL which extracts structured data from pages.

Pattern language

Nice and simple DSL for Espresso in Kotlin

Kotlin DSL for HTML

Gherkin parser, written in PHP 5.3+ for Behat project

Rules engine for .NET, based on the Rete matching algorithm, with internal DSL in C#.

A Ruby DSL for prototyping card games.

🐤Dynamically Mock server behaviors and responses in Swift

Great UI test framework

A simple library for creating complex neural networks

An interesting go struct tag expression syntax for field validation, etc.

The RaftLib C++ library, streaming/dataflow concurrency via C++ iostream-like operators

A Scala library for scraping content from HTML pages

🚀 An easy-to-use, extensible Kotlin DSL for setting up and manipulating RecyclerViews.

convert sql to elasticsearch DSL in golang(go)

A HTML DSL library for Swift