Last release (0.3.3) of Railz (2004-2005)

project: https://sourceforge.net/projects/railz.berlios/
download: https://sourceforge.net/projects/railz.berlios/files/
license: GPL-2.0

Last release (0.4.0) of Railz2 (2012-2014)

project: https://sourceforge.net/projects/railz2/
download: https://sourceforge.net/projects/railz2/files/
license: GPL-2.0

Last release (0.2.7) of FreeRails (2000-2005)

project: https://sourceforge.net/projects/freerails/
download: https://sourceforge.net/projects/freerails/files/jfreerails/0.2.7/
license: GPL-2.0

Last release (0.0.4) of FreeRails3 (2016)

project: https://sourceforge.net/projects/freerails3
download: https://sourceforge.net/projects/freerails3/files/release-0.0.4/
license: GPL-2.0

Last release (0.4.0) of FreeRails2 (2007-2008)

project: https://sourceforge.net/projects/freerails/
download: https://sourceforge.net/projects/freerails2/files/freerails2/v0.4.0/
license: GPL-2.0