Regina (program)

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Regina

Original author(s)	Ben Burton, David Letscher, Richard Rannard, Hyam Rubinstein
Developer(s)	Ben Burton, Ryan Budney, William Pettersson
Initial release	December 2000
Stable release	7.3 / March, 2023
Repository	github.com/regina-normal/regina
Written in	C++, Python
Operating system	Linux, Unix-like, Mac, Microsoft Windows, iOS
Available in	English
Type	Mathematical Software
License	GPL
Website	regina-normal.github.io

Regina is a suite of mathematical software for 3-manifold topologists. It focuses upon the study of 3-manifold triangulations and includes support for normal surfaces and angle structures.^[1]