`vhdl-tools' provide a minor mode based intended to complete the great `vhdl-mode'. It adds an extra layer of functionality on top of the later, extensively using `ggtags' to manage a vhdl project. `vhdl-tools' relies on `helm', `imenu' and `outshine' features to ease navigating vhdl sources. Additionally, it provides `vOrg' mode too, which benefits of all `Org' features.