Tango music & information
- TANGO-DJ.AT Database
- TANGO-DJ.AT Membership
- Tango Time Travel
- Tango Tunes
- Crackling Tunes Tango Club
- Todo Tango (Lot's of Information about tango orchestras, singers, interprets, lyrics, discographies)
- DAHR (Discography Of American Historical Recording)
- Tango.info (Tango database)
- Hermanotango (Tango Lyrics)
- SADAIC (Sociedad Argentina de Autores y Compositores de Música)
- El Recodo (Tango music quiz)
- Francisco Canaro by Christoph Lanner (Largest and most up to date Canaro discography)
- Online Discographical Project (discographical listings of various record labels)