Radio23 was a non-commercial, freeform radio station[1] founded by Programming Director Jeff Hylton Simmons[3] and launched in 2009.

The successor called Freeform Portland went on air in April 2016.

Based out of Portland, Oregon, where it supported the local artists[5] and community,[1][6] the station's goal was to provide an international artistic platform for home broadcasters around the world,[7][8][9][10] and to teach anyone around the world how to create radio with a computer and an internet connection.

Radio23's shows include Cinema Terrorisme,[23][24] Ola's Kool Kitchen[19][21][25] and Nine 11 Thesaurus.

[6] Radio23's programming included types of popular music that include rock, indie, jazz, folk, R&B, experimental music, and hip-hop.