klipse

v7.12.0

Published

2 months ago

A simple client-side code evaluator pluggable on any web page: clojure, ruby, javascript, python, scheme, es2017, jsx, brainfuck, c++, reagent, ocaml, reason, common lisp

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clojure repl snippets javascript ruby python reagent jsx

Klipse

Klipse is a JavaScript plugin for embedding interactive code snippets in tech blogs. See examples at https://blog.klipse.tech/

Technically, Klipse is a small piece of JavaScript code that evaluates code snippets in the browser and it is pluggable on any web page.

If you like this stuff, please consider a (small donation) on Patreon.

Plugin

The klipse plugin is a JavaScript tag (see details below) that transforms static code snippets of an html page into live and interactive snippets:

Live: The code is executed in your browser
Interactive: You can modify the code and it is evaluated as you type

The code evaluation is done in the browser: no server is involved at all!

Live demo

With the klipse plugin, the code is evaluated as you type...

Here is a live demo of the embedding of klipse in a web page.

|JavaScript | Ruby | |-------------------------|-------------------------| | abc | abc |

|PHP | Clojure | |-------------------------|-------------------------| | abc | abc |

Supported languages

JavaScript: evaluation is done with the JavaScript function eval and pretty printing of the result is done with pretty-format
Clojure[Script]: evaluation is done with Self-Hosted Clojurescript
Ruby: evaluation is done with Opal
C++: evaluation is done with JSCPP
Python: evaluation is done with Skulpt
Python3: evaluation is done with Pyodide
Scheme: evaluation is done with BiwasScheme
Prolog: evaluation is done with Tau Prolog
Common Lisp: evaluation is done with JSCL
PHP: evaluation is done with Uniter
SQL: evaluation is done with sql.js. See SQL example
Lua: evaluation is done with wasm_lua
Go: evaluation is done with Yaegi
BrainFuck
JSX
EcmaScript2017
Google Charts: See Interactive Business Report with Google Charts.

The code editing inside the interactive snippets is powered by CodeMirror.

How does it work?

JavaScript: A new way of blogging about JavaScript
Ruby: A new way of blogging about ruby
Clojure[Script]: How to klipsify a clojure[script] blog post

Integration

In order to integrate the klipse plugin on a blog, library documentation or any other web page, you have to follow 3 simple steps.

Make sure you have <!DOCTYPE html> at the top of your html file and <meta charset="utf-8"> right after your <head> (It is required in order to display properly the CodeMirror elements used by Klipse.)
Add css and custom configuration somewhere in the page (it could be in the <head> or in the <body>) before the <script> element of step #3. The selector keys are per language (see below for a list of supported languages) and the value are the CSS selector of the elements that you want to klipsify.

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_js: '.language-klipse-eval-js', // css selector for the html elements you want to klipsify
    };
</script>

Add the JavaScript tag at the end of the body tag :

For Clojure:

<script src="https://storage.googleapis.com/app.klipse.tech/plugin/js/klipse_plugin.js"></script>
</body>

For other languages:

    <script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>
</body>

Here is an interactive guide of the klipse snippets.

If you want to host Klipse JavaScript tag from your own server, see Host Klipse Locally.

If you want to use an older version of Klipse, see Use Older Versions.

JavaScript

Here is the full interactive guide of the klipse JavaScript snippets.

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_js: '.language-klipse-eval-js', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Here is a jsfiddle with Klipse plugin for JavaScript. And here are detailed explanations about a JavaScript live code editor in a blog post.

Clojure and ClojureScript in a web page

Pay attention: for Clojure interactive snippets, you must use the non-minified version of klipse as for the moment, self-host cljs doesn't support advanced compilation!

Here is the full interactive guide of the klipse clojure snippets.

You can manipulate the DOM inside KLIPSE: here is a tutorial.

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector: '.language-klipse'// css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin/js/klipse_plugin.js"></script>

ClojureScript project

If you want to integrate Klipse inside a Clojurescript project, it is recommended to consume Klipse as a Clojurescript library like any other Clojurescript lib, just like this .

Inside your code you have to require two namespaces and call a function:

(ns my.project
  (:require [klipse.run.plugin.plugin] ;; this namespace initializes Klipse. We require it for its side effects
            [klipse.plugin :as klipse-plugin]))

(klipse-plugin/init #js {:selector ".language-klipse"
                         :selector_reagent ".language-reagent"})

Here is an example of a tiny reagent demo project that integrates Klipse as a Clojurescript library.

Python

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_python_client: '.language-klipse-python', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Python3 (numpy, pandas)

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_pyodide: '.language-klipse-pyodide', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Ruby

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_ruby: '.language-klipse-eval-ruby', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Lua

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">
<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/lua.css">

<script>
    window.klipse_settings = {
        selector_lua: '.language-klipse-lua', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Go

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_golang: '.language-klipse-go, // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Scheme

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_scheme: '.language-klipse-eval-scheme', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

Prolog

Prolog code snippets are separated into two kinds:

Rules
Queries

In the query, you must omit the ?- characters.

See A new way of blogging about Prolog for a full example and guide.

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">
<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/prolog.css">

<script>
    window.klipse_settings = {
        selector_prolog_rules: '.language-prolog-rules', // css selector for the html elements that contain prolog rules
        selector_prolog_query: '.language-prolog-query', // css selector for the html elements that contain prolog queries
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js?v=7.7.1-a"></script>

Common Lisp

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_clisp: '.language-klipse-eval-clisp', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

OCaml

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
 	    selector_eval_ocaml: '.language-klipse-ocaml', // selector for ocaml evaluation snippets
	    selector_transpile_ocaml: '.language-transpile-ocaml' // selector for ocaml transpilation snippets
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

ReasonML version 3

Note: Code Snippets in Reason version 3 will automagically be upgraded to latest Reason version once a new version of Reason is released.

We have 4 kinds of ReasonML snippets:

Code Evaluation
Transpilation to JavaScript
Transpilation to Ocaml
Transpilation from Ocaml

Here is the JavaScript tag that you need to setup for embedding ReasonML snippets on your page:

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
 	     selector_transpile_reason_3: '.language-transpile-reason', // selector for reason transpilation snippets
         selector_transpile_reason_3_to_ocaml: '.language-transpile-reason-to-ocaml', // selector for reason transpilation into ocaml snippets
         selector_eval_reason_3: '.language-klipse-reason',  // selector for reason evaluation snippets
         selector_ocaml_to_reason: '.language-klipse-ocaml-to-reason' // selector for ocaml to reason snippets
   };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

ReasonML - Old Syntax(deprecated)

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
    	 selector_transpile_reason: '.language-transpile-reason', // selector for reason transpilation snippets
         selector_transpile_reason_to_ocaml: '.language-transpile-reason-to-ocaml', // selector for reason transpilation into ocaml snippets
         selector_eval_reason: '.language-klipse-reason' // selector for reason evaluation snippets
   };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

SQL

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">
<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/sql.css">

<script>
    window.klipse_settings = {
     selector_sql: '.sql',
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

PHP

<link rel="stylesheet" type="text/css" href="https://storage.googleapis.com/app.klipse.tech/css/codemirror.css">

<script>
    window.klipse_settings = {
        selector_eval_php: '.language-klipse-eval-php', // css selector for the html elements you want to klipsify
    };
</script>
<script src="https://storage.googleapis.com/app.klipse.tech/plugin_prod/js/klipse_plugin.min.js"></script>

https

If your site runs under https, you need to load the klipse plugin from https://storage.googleapis.com/app.klipse.tech instead of http://app.klipse.tech.

The reason is that the klipse plugin is hosted on Google Cloud Storage and for the moment SSL is not supported for custom domains.

Configuration

The klipse plugin is configurable both at the level of the page and at the level of the snippet.

Page level configuration

Here are the settings for the klipse plugin a page level:

window.klipse_settings = {
     eval_idle_msec: 20, // idle time in msec before the snippet is evaluated
     selector: '.language-klipse', // selector for Clojure evaluation snippets
     selector_js: '.language-klipse-js', // selector for Clojure transpilation snippets
     selector_reagent: '.language-reagent', // selector for reagent snippets
     selector_google_charts: '.language-google-charts' // selector for Google charts snippets
     selector_oblivion: '.language-oblivion' // selector for oblivion snippets
     selector_eval_js: '.language-klipse-eval-js', // selector for JavaScript evaluation snippets
     selector_eval_ruby: '.language-klipse-eval-ruby', // selector for Ruby evaluation snippets
     selector_lua: '.language-klipse-lua', // selector for lua evaluation snippets
     selector_es2017: '.language-klipse-es2017', // selector for EcmaScript 2017 evaluation snippets
     selector_jsx: '.language-klipse-jsx', // selector for JSX evaluation snippets
     selector_transpile_jsx: '.language-transpile-jsx', // selector for JSX transpilation snippets
     selector_render_jsx: '.language-render-jsx', // selector for JSX rendering snippets
     selector_react: '.language-react', // selector for React snippets
     selector_eval_php: '.language-klipse-eval-php', // selector for PHP evaluation snippets
     selector_eval_markdown: '.language-klipse-markdown', // selector for Markdown transpilation snippets
     selector_render_hiccup: '.render-hiccup', // selector for Hiccup rendering snippets
     selector_transpile_hiccup: '.transpile-hiccup', // selector for Hiccup transpiling snippets
     selector_eval_lambdaway: '.language-klipse-lambdaway', // selector for lambdaway transpilation snippets
     selector_eval_python_client: '.language-klipse-python', // selector for Python evaluation snippets
     selector_eval_cpp: '.language-klipse-cpp', // selector for cpp evaluation
     selector_eval_html: '.language-klipse-html', // selector for Html evaluation snippets
     selector_sql: '.language-klipse-sql', // selector for sqlite evaluation snippets
     selector_eval_scheme: '.language-klipse-scheme', // selector for Scheme evaluation snippets
     selector_brainfuck: '.language-klipse-brainfuck', // selector for Brainfuck snippets
     selector_eval_ocaml: '.language-klipse-ocaml', // selector for Ocaml evaluation snippets
     selector_transpile_ocaml: '.language-transpile-ocaml', // selector for Ocaml transpilation snippets
     selector_transpile_reason_3: '.language-transpile-reason', // selector for Reason transpilation snippets
     selector_transpile_reason_3_to_ocaml: '.language-transpile-reason-to-ocaml', // selector for Reason transpilation into ocaml snippets
     selector_eval_reason_3: '.language-klipse-reason', // selector for Reason evaluation snippets
     selector_ocaml_to_reason: '.language-klipse-ocaml-to-reason' // selector for Ocaml to reason snippets
     cached_ns_root: '/my-root', // the root of Clojure cached namespace, default: https://viebel.github.io/cljs-analysis-cache/cache/
     clojure_cached_macro_ns_regexp: /reagent.*/, // the regexp for Clojure macro namespaces that are cached
     clojure_cached_ns_regexp: /reagent.*/, // the regexp for clojure namespaces that are cached
     codemirror_root: '/my-codemirror-root', // the root of Codemirror files
     scripts_root: '/my-scripts-root', // the root of scripts files (e.g pretty_format.js, opal.js ...)
     re_evaluate_all_snippets_on_change: false, // Whether all snippets should be reevaluated when any one snippet is edited, since snippets might depend on each other
     editor_type: 'code-mirror', //the type of the editor for Klipse results (the element where the evaluation of the snippet is displayed). Allowed values:
                                 // "code-mirror": The input editor is codemirror. The output editor is codemirror
                                 // "html": The input editor is codemirror. The output editor is html
                                 // "dom": The input editor is plain text. The output editor is plain text


};

Additionally, you can configure CodeMirror input (snippet source code) and output (snippet evaluation) by setting codemirror_options_in and codemirror_options_out:

Currently, we support all the settings CodeMirror Configuration settings and part of the Addons settings: matchBrackets and autoCloseBrackets.

For instance, you can modify the indentUnit, lineWrapping, lineNumbers and autoCloseBrackets like this:

window.klipse_settings = {
    codemirror_options_in: {
        indentUnit: 8,
        lineWrapping: true,
        lineNumbers: true,
        autoCloseBrackets: true
    },
    codemirror_options_out: {
        lineWrapping: true,
        lineNumbers: true
    }
}

Clojure only

print_length: (default 1000) max number of items in collections to display - useful to prevent browser stuck when evaluating infinite sequences like (range)
beautify_strings: (default false) when evaluation result is a string - display the "interior" of the string without escaping the quotes.

Snippet level configuration

The following attributes can be added to the DOM element of the snippet:

data-eval-idle-msec: (default 20) idle time in msec before the snippet is evaluated
data-loop-msec: (default undefined) the code is run in a loop every data-loop-msec msec
data-preamble: (default "") A string containing Clojurescript source code that should be run before the contents of this snippet, eg "(reset! canvas-id :canvas-2)". Useful for hiding implementation details from readers in blog posts, like e.g. setting a canvas-id atom to :canvas-2, or for performing any other setup operations that need to be done on a per-snippet basis
data-editor-type: (default "code-mirror") the type of the editor for the klipse result (the element where the evaluation of the snippet is displayed). Allowed values: ** "code-mirror": The input editor is codemirror. The output editor is codemirror ** "html": The input editor is codemirror. The output editor is html ** "dom": The input editor is plain text. The output editor is plain text

JavaScript only

data-external-libs: comma separated list of JavaScript libraries to load before snippet evaluation
data-async-code: (default false) when true, asynchronous calls to console.log append their result to the result cell

Clojure only

Here is a live demo of the different snippet level configuration options.

The following data attributes are supported on a klipse snippet DOM element:

data-static-fns: (default false) set to true for using static dispatch
data-external-libs: comma separated list of github repositories to resolve dependencies: you need to provide the full list of dependencies (including the dependencies of dependencies recursively). See for instance Lambda Calculus with clojure and Klipse
data-print-length: (default 1000) max number of items in collections to display - useful to prevent browser stuck when evaluating infinite sequences like (range)
data-beautify-strings: (default false) when evaluation result is a string - display the "interior" of the string without escaping the quotes.
data-verbose: (default false) passed to bootstrapped eval and compile :verbose opts
data-max-eval-duration: (default 1000) max number of milliseconds the snippet code is allowed to run synchronously before being interrupted.
data-compile-display-guard: (default false) when true, display the anti-starvation code inside result of compilation

Styling

The Klipse plugin can be easily styled with CSS, which can be applied both to the Klipse plugin's own elements, and to the CodeMirror editor's elements. Much of the styling you'll apply will be to CodeMirror, as it contains all the CSS classes to style the code itself. Surrounding CodeMirror is the Klipse plugin, the styles of which control the plugin's borders, and the executed code's output.

DOM elements

Each klipse snippet is associated with 4 HTML elements:

The klipse snippet itself: it has the class klipse-snippet.
The result: it has the class klipse-result.
A container: it has the class klipse-container and is accessible inside the klipse snippet through the global variable klipse_container (the global variable is dynamically bound to the correct klipse container).
A separator: it has the class klipse-separator.

Changing the style of CodeMirror

You can change the theme of the CodeMirror editor simply by modifying its CSS. If you don't want to create your own theme, Farhad Gayour has an awesome list of ready-made themes you can select from. Have a look at the different themes by selecting them from the drop-down. Once you've found one you like, head to the theme repo to copy the CSS, paste it into a CSS file, and link to it from the HTML page containing your Klipse plugin.

Changing the style of the Klipse plugin

To change the style of the Klipse plugin's borders and the console output, you'll need to add a few extra style rules to your CSS file. These are:

.CodeMirror - modify the plugin's borders and CodeMirror's containing div
.CodeMirror:last-child::before - modify the console's title (i.e. the bit that says Output:)
.CodeMirror:last-child - modify the console area (i.e. the area beneath Output:)

You can see an example of styling Klipse in demos/styling. And here is a live demo

Interactive slides with Klipse

You can build interactive slides by integrating Klipse with Reveal.js using this template for reveal.js and Klipse.

Klipse Community

Here are a couple of examples of blogs using the klipse plugin:

Clojure: Procedural Dungeon Generation: A Drunkard's Walk in ClojureScript
Python: Drawing fractals with a turtle
Clojure: Island Generator
ClojureScript transpiled: blog.ducky.io - More about protocols in ClojureScript
Ruby: jessewaites.com - interactive ruby snippets
Clojure: z.caudate.me - live documentation with klipse
Ruby, Javascript, Clojure: blog.klipse.tech
Prolog: A new way of blogging about Prolog
Clojure documentation: Anonymous functions in clojure
JavaScript: Untangled.io - Advanced ES6 destructuring techniques with live examples
Clojure: Klipse for Kids: A fun way to learn computer programming
JavaScript Immutable.js: An Introduction with examples written for humans
Clojure: Yet another scheme dialect written in Clojure and ClojureScript
JavaScript: Try Partial Lenses with KLIPSE
JavaScript: Clause.js, a JavaScript contract system, documentation created with klipse
Clojure: Reagent deep dive part 1 2 3 4
ClojureScript: Visualising Bézier Curves
Clojure: core.async fun tutorial
ClojureScript: reagent and reframe playground
JavaScript: chai unit tests playground
Clojure: polynomial macro
Prolog: A scientific paper with interactive code snippets: [Continuous Reasoning for Managing Next-Gen Distributed Applications] (http://eptcs.web.cse.unsw.edu.au/paper.cgi?ICLP2020.22.pdf)

Ask us any question about the klipse plugin (integration, feature requests...) on

Access the CodeMirror editors programmatically

Each code snippet is wrapped into a CodeMirror editor.

The CodeMirror editors are accessible via the JavaScript global variable: klipse_editors. This is an array that contains the CodeMirror editors wrapping the original code snippets. For instance, you can modify the content of the code snippet i by calling: klipse_editors[i].setValue('let a = 1');

Here is a jsfiddle that shows it in action.

The evaluation of each snippet is also wrapped into a CodeMirror editor. The CodeMirror editors that wrapped results are accessible via the JavaScript global variable: klipse_results. This is an array that contains the CodeMirror editors wrapping the results of the evaluation of the code snippets. For instance, you can read the content of the code snippet i by calling: klipse_results[i].getValue();

Here is a jsfiddle that shows it in action.

Use older versions

Since version 6.8.0, Klipse is published on npm. Therefore you can access the klipse files of a specific version from unpkg - a cdn for stuff that is published to npm.

For instance, The urls are for the version 6.8.0 are:

JavaScript minified: https://unpkg.com/[email protected]/dist/klipse_plugin.min.js
JavaScript non-minified: https://unpkg.com/[email protected]/dist/klipse_plugin.min.js
Css: https://unpkg.com/[email protected]/dist/codemirror.css

Host Klipse locally

You can download klipse with npm or bower.

In order to serve Klipse from your own server, you have to:

Include in your page all the assets that you need from the dist folder: codemirror.css, klipse_plugin.js or klipse_plugin.min.js, javascript.inc.js (CodeMirror JavaScript addon), pretty_format.js (JavaScript beautifier)
set klipse_settings.no_dynamic_scripts=true;

If you need more assets that are usually dynamically loaded by klipse, please download them manually.

Klipse App - Clojure Web Repl

Here is the information about the Klipse app

The Web REPL is live at http://app.klipse.tech

Here is the manual for the KLIPSE web repl.

Languages supported in the REPL: Clojure and ClojureScript.

License

If you like this stuff, please consider a (small donation) on Patreon.

See the LICENSE file for license rights and limitations (GNU General Public License v3.0).

Published

Vulnerabilities

Links

Maintainers

Keywords

Readme

Klipse

Plugin

Live demo

Supported languages

How does it work?

Integration

JavaScript

Clojure and ClojureScript in a web page

ClojureScript project

Python

Python3 (numpy, pandas)

Ruby

Lua

Go

Scheme

Prolog

Common Lisp

OCaml

ReasonML version 3

ReasonML - Old Syntax(deprecated)

SQL

PHP

https

Configuration

Page level configuration

Clojure only

Snippet level configuration

JavaScript only

Clojure only

Styling

DOM elements

Changing the style of CodeMirror

Changing the style of the Klipse plugin

Interactive slides with Klipse

Klipse Community

Access the CodeMirror editors programmatically

Use older versions

Host Klipse locally

Klipse App - Clojure Web Repl

License