Next Limit Technologies is a computer software company based in Madrid

Madrid

Madrid is the capital and largest city of Spain. The population of the city is roughly 3.3 million and the entire population of the Madrid metropolitan area is calculated to be 6.271 million. It is the third largest city in the European Union, after London and Berlin, and its metropolitan...

, Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. Founded in 1998 by engineers Victor Gonzalez Sanchez and Ignacio Vargas the firm now creates cross-platform particle simulation and light simulation software for fluid and rigid body modeling, and accurate visual rendering. The company's projects are Maxwell Render

Maxwell Render

Maxwell Render is a software package that aids in the production of photorealistic images from computer 3D model data; a 3D renderer. It was introduced as an early alpha on December 2004 and it utilized a global illumination algorithm based on a metropolis light transport variation.- Overview...

 (a light simulator), XFlow (a fluid simulator for engineers and scientists), and RealFlow

RealFlow

RealFlow is a fluid and dynamics simulator for the 3D industry, created by Madrid-based Next Limit Technologies. Currently at version 2012, the stand-alone application can be used to simulate fluids, water surfaces, fluid-solid interactions, rigid bodies, soft bodies and meshes...

 (a physics simulator for the 3D industry); the latter of which was used in the films: The Lord of the Rings: The Return of the King

The Lord of the Rings: The Return of the King

The Lord of the Rings: The Return of the King is a 2003 epic fantasy-drama film directed by Peter Jackson that is based on the second and third volumes of J. R. R. Tolkien's The Lord of the Rings...

, Charlie and the Chocolate Factory

Charlie and the Chocolate Factory (film)

Charlie and the Chocolate Factory is a 2005 film adaptation of the 1964 book of the same name by Roald Dahl. The film was directed by Tim Burton. The film stars Freddie Highmore as Charlie Bucket and Johnny Depp as Willy Wonka...

, and Robots

Robots (film)

Robots is a 2005 American computer-animated comedy film produced by Blue Sky Studios for 20th Century Fox, and was released theatrically on March 11, 2005. The story was created by Chris Wedge and William Joyce, a children's book author/illustrator. The two were trying to create a film version of...

.