As far as I know, Tito was not involved in any solo projects.
However, he was involved in the following albums :

Year of Release	Album Title	Record Label	Tracks	Album Cover	Buy This Now
1981	My Special Love LaToya Jackson	Polydor	Love Song Written by Tito Jackson, Mike McKinney & Jonathan P. Moffett Backup vocals: Marlon Jackson, Jackie Jackson, Randy Jackson & Tito Jackson Special Love Written by Marlon Jackson, Randy Jackson, Tito Jackson & Jackie Jackson	View cover	BUY NOW!
1984	Heart Don't Lie LaToya Jackson	Epic/Private I Records	Frustration Co-produced by Tito Jackson & Howard Hewett	View cover	BUY NOW!
1984	Dream Street Janet Jackson	A&M Records	Don't Stand Another Chance Backup vocals: Jackie Jackson, Michael Jackson, Tito Jackson & Dino Espinosa	View cover	BUY NOW!
1984	Dynamite Jermaine Jackson	Arista Records	Escape From The Planet Of The Ant Men Backup vocals	View cover	BUY NOW!
1986	Reaction Rebbie Jackson	CBS Records	Ain't No Way To Love Co-produced and arranged by Tito Jackson & Vassal Benford Instruments played: keyboard, guitar, digital synthesizer programming Always Wanting Something Co-produced and arranged by Tito Jackson & Vassal Benford Instruments played: keyboard, guitar, digital synthesizer programming	View cover	BUY NOW!