People who contributed to the project in one way or another, in alphabetical order:
André Carregal of the Kepler Project -
all sorts of advice
Bruno Guedes of Fabrica Digital - help with the stylesheet.
Dado Sutter of PUC-Rio and Plurall - Portuguese translation of the interface
ferrix - many bug fixes and new features.
Hisham Muhammad of LuaRocks - packaging work for Kepler, FastLCS library
Jérôme Vuarand - templates for the LuaUsers demo
Jim Whitehead - SQL backend for Versium and too many other changes to list here.
Maurício Bomfim of Fabrica Digital - early testing and debugging (the official First User).
Pierre Pracht - ideas for Versium/Saci and help in moving to git.
Sérgio Medeiros of LabLUA - LuaPOD and LuaSVN
Yuri Takhteyev - project leader, see Sputnik's background story.
Sputnik also uses a number of ready Lua modules and frameworks:
by Fábio Mascarenhas and André Carregal
Xavante by Javier Guerra, André Carregal, and the Kepler Team LuaRocks by Hisham Muhammad
Cosmo by Yuri Takhteyev and Fábio Mascarenhas
lbase64 by Luiz Henrique de Figueiredo
LuaDoc by Tomás Guisasola Gorham
LuaLogging by Thiago Ponte, Danilo Tuler and André Carregal
LuaPosix by Reuben Thomas LuaSocket by Diego Nehab Markdown by Niklas Frykholm
LuaFileSystem and MD5 by the Kepler Project
And a few components not specifically related to Lua:
Some packages and components that are not used at the moment but which were useful at some point: