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# Our goal is to make collaborative editing the standard on the web
# Making collaborative editing the standard on the web
# About
Etherpad lite is a really-real time collaborative editor spawned from the Hell fire of Etherpad.
We're reusing the well tested Etherpad easysync library to make it really realtime. Etherpad Lite
is based on node.js ergo is much lighter and more stable than the original Etherpad. Our hope
is that this will encourage more users to use and install a realtime collaborative editor. A smaller, manageable and well
documented codebase makes it easier for developers to improve the code and contribute towards the project.
documented codebase makes it easier for developers to improve the code and contribute towards the project.
Etherpad Lite is optimized to be easy embeddable. It provides a [HTTP API](https://github.com/Pita/etherpad-lite/wiki/HTTP-API)
that allows your web application to manage pads, users and groups.
There are several clients in for this API:
* [PHP](https://github.com/TomNomNom/etherpad-lite-client), thx to [TomNomNom](https://github.com/TomNomNom)
* [.Net](https://github.com/ja-jo/EtherpadLiteDotNet), thx to [ja-jo](https://github.com/ja-jo)
* [Node.js](https://github.com/tomassedovic/etherpad-lite-client-js), thx to [tomassedovic](https://github.com/tomassedovic)
* [Ruby](https://github.com/jhollinger/ruby-etherpad-lite), thx to [jhollinger](https://github.com/jhollinger)
* [Python](https://github.com/devjones/PyEtherpadLite), thx to [devjones](https://github.com/devjones)
There is also a [jQuery plugin](https://github.com/johnyma22/etherpad-lite-jquery-plugin) that helps you to embed Pads into your website
**Online demo**<br>
Visit <http://beta.etherpad.org> to test it live
Here is the **[FAQ](https://github.com/Pita/etherpad-lite/wiki/FAQ)**
# Etherpad vs Etherpad Lite
**Etherpad vs Etherpad lite**
<table>
<tr>
<td>&nbsp;</td><td><b>Etherpad</b></td><td><b>Etherpad Lite</b></td>
@ -41,80 +24,93 @@ Here is the **[FAQ](https://github.com/Pita/etherpad-lite/wiki/FAQ)**
<tr>
<td align="right">RAM Usage immediately after start</td><td>257 MB (grows to ~1GB)</td><td>16 MB (grows to ~30MB)</td>
</tr>
</table>
</table>
Etherpad Lite is designed to be easily embeddable and provides a [HTTP API](https://github.com/Pita/etherpad-lite/wiki/HTTP-API)
that allows your web application to manage pads, users and groups. It is recommended to use the client implementations available for this API, listed on [this wiki page](https://github.com/Pita/etherpad-lite/wiki/HTTP-API-client-libraries).
There is also a [jQuery plugin](https://github.com/johnyma22/etherpad-lite-jquery-plugin) that helps you to embed Pads into your website
**Visit [beta.etherpad.org](http://beta.etherpad.org) to test it live**
Also, check out the **[FAQ](https://github.com/Pita/etherpad-lite/wiki/FAQ)**, really!
# Installation
## Windows
1. Download <http://etherpad.org/etherpad-lite-win.zip>
2. Extract the file
3. Open the extracted folder and double click `start.bat`
4. Open your web browser and browse to <http://localhost:9001>. You like it? Look at the 'Next Steps' section below
### Prebuilt windows package
This package works out of the box on any windows machine, but it's not very useful for developing purposes...
1. Download the windows package <https://github.com/Pita/etherpad-lite/downloads>
2. Extract the folder
Now, run `start.bat` and open <http://localhost:9001> in your browser. You like it? [Next steps](#next-steps).
### Fancy install
You'll need [node.js](http://nodejs.org) and (optionally, though recommended) git.
1. Grab the source, either
- download <https://github.com/Pita/etherpad-lite/zipball/master>
- or `git clone https://github.com/Pita/etherpad-lite.git` (for this you need git, obviously)
2. start `bin\installOnWindows.bat`
Now, run `start.bat` and open <http://localhost:9001> in your browser.
Update to the latest version with `git pull origin`, then run `bin\installOnWindows.bat`, again.
[Next steps](#next-steps).
## Linux
You'll need gzip, git, curl, libssl develop libraries, python and gcc.
*For Debian/Ubuntu*: `apt-get install gzip git-core curl python libssl-dev pkg-config build-essential`
*For Fedora/CentOS*: `yum install gzip git-core curl python openssl-devel && yum groupinstall "Development Tools"`
**As root:**
<ol>
<li>Install the dependencies. We need gzip, git, curl, libssl develop libraries, python and gcc. <br><i>For Debian/Ubuntu</i> <code>apt-get install gzip git-core curl python libssl-dev pkg-config build-essential</code><br>
<i>For Fedora/CentOS</i> <code>yum install gzip git-core curl python openssl-devel && yum groupinstall "Development Tools"</code>
</li><br>
<li>Install node.js
<ol type="a">
<li>Download the latest <b>0.6.x</b> node.js release from <a href="http://nodejs.org/#download">http://nodejs.org/#download</a></li>
<li>Extract it with <code>tar xf node-v0.6*</code></li>
<li>Move into the node folder <code>cd node-v0.6*</code> and build node with <code>./configure && make && make install</code></li>
</ol>
</li>
</ol>
Additionally, you'll need [node.js](http://nodejs.org).
**As any user (we recommend creating a separate user called etherpad-lite):**
<ol start="3">
<li>Move to a folder where you want to install Etherpad Lite. Clone the git repository <code>git clone 'git://github.com/Pita/etherpad-lite.git'</code><br></li>
<li>Change into the directory containing the Etherpad Lite source code clone with <code>cd etherpad-lite</code><br></li>
<li>Start it with <code>bin/run.sh</code><br>&nbsp;</li>
<li>Open your web browser and visit <a href="http://localhost:9001">http://localhost:9001</a>. You like it? Look at the 'Next Steps' section below</li>
</ol>
1. Move to a folder where you want to install Etherpad Lite. Clone the git repository `git clone git://github.com/Pita/etherpad-lite.git`
2. Change into the new directory containing the cloned source code `cd etherpad-lite`
## Next Steps
You can modify the settings in the file `settings.json`
Now, run `bin\run.sh` and open <http://127.0.0.1:9001> in your browser.
If you have multiple settings files, you may pass one to `bin/run.sh` using the `-s|--settings` option. This allows you to run multiple Etherpad Lite instances from the same installation.
Update to the latest version with `git pull origin`. The next start with bin/run.sh will update the dependencies.
You should use a dedicated database such as "mysql" if you are planning on using etherpad-lite in a production environment, the "dirty" database driver is only for testing and/or development purposes.
You like it? [Next steps](#next-steps).
You can update to the latest version with `git pull origin`. The next start with bin/run.sh will update the dependencies
# Next Steps
Look at this wiki pages:
## Tweak the settings
You can modify the settings in `settings.json`. (If you need to handle multiple settings files, you can pass the path to a settings file to `bin/run.sh` using the `-s|--settings` option. This allows you to run multiple Etherpad Lite instances from the same installation.)
* [How to deploy Etherpad Lite as a service](https://github.com/Pita/etherpad-lite/wiki/How-to-deploy-Etherpad-Lite-as-a-service)
* [How to put Etherpad Lite behind a reverse Proxy](https://github.com/Pita/etherpad-lite/wiki/How-to-put-Etherpad-Lite-behind-a-reverse-Proxy)
* [How to customize your Etherpad Lite installation](https://github.com/Pita/etherpad-lite/wiki/How-to-customize-your-Etherpad-Lite-installation)
* [How to use Etherpad-Lite with jQuery](https://github.com/Pita/etherpad-lite/wiki/How-to-use-Etherpad-Lite-with-jQuery)
* [How to use Etherpad Lite with MySQL](https://github.com/Pita/etherpad-lite/wiki/How-to-use-Etherpad-Lite-with-MySQL)
* [Sites that run Etherpad Lite](https://github.com/Pita/etherpad-lite/wiki/Sites-that-run-Etherpad-Lite)
* [How to migrate the database from Etherpad to Etherpad Lite](https://github.com/Pita/etherpad-lite/wiki/How-to-migrate-the-database-from-Etherpad-to-Etherpad-Lite)
You should use a dedicated database such as "mysql", if you are planning on using etherpad-lite in a production environment, since the "dirtyDB" database driver is only for testing and/or development purposes.
You can find more information in the [wiki](https://github.com/Pita/etherpad-lite/wiki). Feel free to improve these wiki pages
## Helpful resources
The [wiki](https://github.com/Pita/etherpad-lite/wiki) is your one-stop resource for Tutorials and How-to's, really check it out! Also, feel free to improve these wiki pages.
# Develop
If you're new to git and github, start by watching [this video](http://youtu.be/67-Q26YH97E) then read this [git guide](http://learn.github.com/p/intro.html).
Documentation can be found in `docs/`.
If you're new to node.js, start with this video <http://youtu.be/jo_B4LTHi3I>.
# Development
You can debug with `bin/debugRun.sh`
## Things you should know
Read this [git guide](http://learn.github.com/p/intro.html) and watch this [video on getting started with Etherpad Lite Development](http://youtu.be/67-Q26YH97E).
If you want to find out how Etherpads Easysync works (the library that makes it really realtime), start with this [PDF](https://github.com/Pita/etherpad-lite/raw/master/doc/easysync/easysync-full-description.pdf) (complex, but worth reading).
If you're new to node.js, start with Ryan Dahl's [Introduction to Node.js](http://youtu.be/jo_B4LTHi3I).
You know all this and just want to know how you can help? Look at the [TODO list](https://github.com/Pita/etherpad-lite/wiki/TODO).
You can join the [mailinglist](http://groups.google.com/group/etherpad-lite-dev) or go to the freenode irc channel [#etherpad-lite-dev](http://webchat.freenode.net?channels=#etherpad-lite-dev)
You can debug Etherpad lite using `bin/debugRun.sh`.
You also help the project, if you only host a Etherpad Lite instance and share your experience with us.
If you want to find out how Etherpad's `Easysync` works (the library that makes it really realtime), start with this [PDF](https://github.com/Pita/etherpad-lite/raw/master/doc/easysync/easysync-full-description.pdf) (complex, but worth reading).
Please consider using [jshint](http://www.jshint.com/about/) if you plan to
contribute to Etherpad Lite.
## Getting started
You know all this and just want to know how you can help?
Look at the [TODO list](https://github.com/Pita/etherpad-lite/wiki/TODO) and our [Issue tracker](https://github.com/Pita/etherpad-lite/issues). (Please consider using [jshint](http://www.jshint.com/about/), if you plan to contribute code.)
Also, and most importantly, read our [**Developer Guidelines**](https://github.com/Pita/etherpad-lite/wiki/Developer-Guidelines), really!
# Get in touch
Join the [mailinglist](http://groups.google.com/group/etherpad-lite-dev) and make some noise on our freenode irc channel [#etherpad-lite-dev](http://webchat.freenode.net?channels=#etherpad-lite-dev)!
# Modules created for this project
@ -122,9 +118,9 @@ contribute to Etherpad Lite.
* [channels](https://github.com/Pita/channels) "Event channels in node.js" - ensures that ueberDB operations are atomic and in series for each key
* [async-stacktrace](https://github.com/Pita/async-stacktrace) "Improves node.js stacktraces and makes it easier to handle errors"
# Donations
* [Etherpad Foundation Flattr] (http://flattr.com/thing/71378/Etherpad-Foundation)
* [Paypal] (http://etherpad.org) <-- Click the donate button
# Donate!
* [Flattr] (http://flattr.com/thing/71378/Etherpad-Foundation)
* Paypal - Press the donate button on [etherpad.org](http://etherpad.org)
# License
[Apache License v2](http://www.apache.org/licenses/LICENSE-2.0.html)