| Title | Year | Album | Vocalist | Writer | Producer | Notes |
| "Dollhouse"(Tyler Joseph and Jocef) | 2009 | Unreleased | Yes | Yes | Yes | This project was recorded during Joseph's brief time in college alongside classmate Joseph Michael Langston. |
| "Live"(Jocef featuring Juda, Alon and Tyler J) | 2010 | In Search of: L.O.V.E. | Yes | Yes | No | Recorded during college between Joseph and Jocef, a Christian rapper. |
| "Rulers of Reverse"(Whittaker featuring Tyler Joseph) | 2014 | Clear | Yes | Yes | No | A worship album created by Travis Whittaker (known simply as "Whittaker") and the gospel band "New Albany Music" for the church "Five14" of which Joseph interned at. Joseph is featured in four out of thirteen tracks on the album Clear. |
| "Twenty-Nine"(Whittaker featuring Tyler Joseph) | Yes | Yes | No |
| "Lord of Glory"(Whittaker featuring Tyler Joseph) | Yes | Yes | No |
| "Producer"(Whittaker featuring Tyler Joseph) | Yes | Yes | No |
| "Dead Come Alive"(Whittaker featuring Tyler Joseph) | Non-album single | Yes | Yes | No | This song does not appear on the Clear album but was still recorded with Whittaker. |
| "Sickly Sweet Holidays"(Dallon Weekes featuring Tyler Joseph) | Xmas Jambz | Yes | No | No | In December 2014, Joseph contributed backing vocals to the song "Sickly Sweet Holidays" by Dallon Weekes (then-bassist of Panic! at the Disco). Joseph initially had an entire verse in the song, but it was excluded due to Joseph's label. The song was originally released as a single but then placed on Weekes' Christmas EP, Xmas Jambz. |
| "The Hardest Stone" (Shania Twain featuring Tyler Joseph) | 2023 | Queen of Me | No | Yes | Yes | On "The Hardest Stone", Joseph served as a co-writer, producer, and vocal engineer. He also assisted with production on other tracks within Queen of Me. Alongside Joseph, frequent collaborator Paul Meany served as a co-producer on track 12. |
| "Twenty-Four" (Switchfoot cover) | The Beautiful Letdown (Our Version) [Deluxe Edition] | Yes | No | Yes | On September 12, 2023, Jon Foreman posted a cover of "Stressed Out" on social media along with an announcement that Joseph would be covering his band Switchfoot's song "Twenty-Four". Joseph later described The Beautiful Letdown as one of his "favorite albums of all time," something that he would listen to "over and over again." |