ClojureScript is a compiler for Clojure that targets JavaScript. It is designed to emit JavaScript code which is compatible with the advanced compilation mode of the Google Closure optimizing compiler. ClojureScript combines the reach of the JavaScript platform, the flexibility and interactive development of Clojure, and the whole-program optimization of Google Closure to provide the most powerful language for programming the web.

Clojurescript - Clojure to JS compiler

Leiningen is for automating Clojure projects without setting your hair on fire. It offers various project-related tasks and can Create new projects, Fetch dependencies for your project,   Run tests, Run a fully-configured REPL, Compile Java sources (if any), Run the project (if the project isn't a library), Generate a maven-style "pom" file for the project for interop, Compile and package projects for deployment, Publish libraries to repositories such as Clojars and lot more.

Leiningen - Automate Clojure projects without setting your hair on fire.

Riemann monitors distributed systems. It aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception raised by your code. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite.


Riemann - Monitors Distributed Systems

Jepsen is a Clojure library. A test is a Clojure program which uses the Jepsen library to set up a distributed system, run a bunch of operations against that system, and verify that the history of those operations makes sense. Jepsen has been used to verify everything from eventually-consistent commutative databases to linearizable coordination systems to distributed task schedulers. It can also generate graphs of performance and availability, helping you characterize how a system responds to different faults. 
A Jepsen test runs as a Clojure program on a control node. That program uses SSH to log into a bunch of db nodes, where it sets up the distributed system you're going to test using the test's pluggable os and db. 

Once the system is running, the control node spins up a set of logically single-threaded processes, each with its own client for the distributed system. A generator generates new operations for each process to perform. Processes then apply those operations to the system using their clients. The start and end of each operation is recorded in a history. While performing operations, a special nemesis process introduces faults into the system--also scheduled by the generator. 

Finally, the DB and OS are torn down. Jepsen uses a checker to analyze the test's history for correctness, and to generate reports, graphs, etc. The test, history, analysis, and any supplementary results are written to the filesystem under store/<test-name>/<date>/ for later review. Symlinks to the latest results are maintained at each level for convenience.

Jepsen is a Clojure library. A test is a Clojure program which uses the Jepsen library to set up a distributed system, run a bunch of operations against that system, and verify that the history of those operations makes sense. Jepsen has been used to verify everything from eventually-consistent commutative databases to linearizable coordination systems to distributed task schedulers. It can also generate graphs of performance and availability, helping you characterize how a system responds to different faults.

Jepsen - A framework for distributed systems verification, with fault injection

A minimalistic Clojure client for ElasticSearch, supports both HTTP and native transports.

Elastisch - A minimalistic Clojure client for ElasticSearch

A logic programming library for Clojure & ClojureScript. core.logic offers Prolog-like relational programming, constraint logic programming, and nominal logic programming for Clojure. At its heart is an original implementation of miniKanren as described in William Byrd's dissertation Relational Programming in miniKanren: Techniques, Applications, and Implementations as well as the extensions described in cKanren and αKanren. It is designed to be easily extended to forms of logic programming beyond the ones provided.

core.logic - A logic programming library for Clojure & ClojureScript

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Clojurescript - Clojure to JS compiler

Leiningen - Automate Clojure projects without setting your hair on fire.

Riemann - Monitors Distributed Systems

Jepsen - A framework for distributed systems verification, with fault injection

Elastisch - A minimalistic Clojure client for ElasticSearch

core.logic - A logic programming library for Clojure & ClojureScript

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Clojurescript - Clojure to JS compiler

Leiningen - Automate Clojure projects without setting your hair on fire.

Riemann - Monitors Distributed Systems

Jepsen - A framework for distributed systems verification, with fault injection

Elastisch - A minimalistic Clojure client for ElasticSearch

core.logic - A logic programming library for Clojure & ClojureScript

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