Kepler: Overview

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Kepler is a [[Developers|community]] of software developers building open software to help make [[Lua]] a viable option for development of web applications. Kepler was originally started by Fábrica Digital and PUC-Rio in 2004 but has had many other [[Credits|contributors]] since. While it initially was deployed as unified web platform, it has evolved into a collection of separate projects using a common set of standards. Most of the projects use [[LuaRocks]] for installing components and many use [[WSAPI]] as the server API.

## Applications and Frameworks

![app](http://sputnik.freewisdom.org/etc/cog.png) [WSAPI](http://wsapi.luaforge.net/) - an API that abstracts the web server from Lua web applications; the base for many projects.  
![app](http://sputnik.freewisdom.org/etc/cog.png) [Xavante](http://www.keplerproject.org/xavante/) - a Lua Web server that offers a WSAPI interface.  
![app](http://sputnik.freewisdom.org/etc/cog.png) [Orbit](http://orbit.luaforge.net/) - an MVC web framework for Lua, based on WSAPI.  
![app](http://sputnik.freewisdom.org/etc/cog.png) [Sputnik](http://sputnik.freewisdom.org/) - a wiki/CMS developed over WSAPI.

## Nuts and Bolts

![module](http://sputnik.freewisdom.org/etc/plugin.png) [Copas](http://www.keplerproject.org/copas/) - a dispatcher based on coroutines that can be used by TCP/IP servers.  
![module](http://sputnik.freewisdom.org/etc/plugin.png) [Cosmo](http://cosmo.luaforge.net/) - a "safe templates" engine that protects your application from arbitrary code in the templates.  
![module](http://sputnik.freewisdom.org/etc/plugin.png) [Coxpcall](http://coxpcall.luaforge.net/) - encapsulates Lua native `pcall` and `xpcall` with coroutine compatible ones.  
![module](http://sputnik.freewisdom.org/etc/plugin.png) [LuaFileSystem](http://www.keplerproject.org/luafilesystem/) - a portable way to access the underlying directory structure and file attributes.  
![module](http://sputnik.freewisdom.org/etc/plugin.png) [Rings](http://www.keplerproject.org/rings/) - a library which provides a way to create new Lua states from within Lua.

## Development Tools

* [LuaDoc](http://luadoc.luaforge.net/) - a documentation generator tool for Lua source code
* [LuaEclipse](http://luaeclipse.luaforge.net/) - an Eclipse based IDE for Lua
* [LuaProfiler](http://luaprofiler.luaforge.net/) - a time profiler for Lua
* [LuaRocks](http://luarocks.org/) - a deployment and management system for Lua modules. Used by most of the other projects here.
* [RemDebug](http://www.keplerproject.org/remdebug/) - a remote debugger for Lua
* [Shake](http://shake.luaforge.net/) - a simple and transparent test engine for Lua

## Other Projects

These projects are currently looking for maintainers. If you happen to be interested please contact us on the mailing list.

* [CGILua](http://www.keplerproject.org/cgilua/) - offers LuaPages and LuaScripts web page creation, based on WSAPI but no longer supported. Use Orbit, Sputnik or WSAPI instead.
* [LuaExpat](http://www.keplerproject.org/luaexpat) - a SAX XML parser based on the Expat library
* [LuaLogging](http://www.keplerproject.org/lualogging/) - a simple API to use logging features in Lua
* [LuaSQL](http://www.keplerproject.org/luasql/) - a simple interface from Lua to various DBMS
* [LuaZip](http://www.keplerproject.org/luazip/) - a library used to read files stored inside zip files
* [MD5/DES56](http://www.keplerproject.org/md5/) - MD5 and DES56 basic cryptographic facilities for Lua

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Esta página também está disponível em [Português](http://keplerproject.org/br/Kepler).

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