An adjustable height desk platform, comprising: a platform including a substantially flat work surface and a lower surface opposite to the work surface; a first leg member and a second leg member pivotably coupled to the lower surface of the platform, the first leg member and the second leg member each pivotable between a fully raised position and a fully lowered position; a rack and pinion gear system associated with the first leg member and the second leg member; and a latch mechanism associated with the rack and pinion gear system, the latch mechanism operable to engage and immobilize the rack and pinion gear system in one or more positions to retain the first leg member and the second leg member in the fully raised position or the fully lowered position or one or more intermediate positions, or to disengage the rack and pinion gear system to change the position of the first leg member and the second leg member with respect to the platform, wherein the rack and pinion gear system comprises: a first rack gear associated with the first leg member, the first rack gear slidably mounted to the lower surface of the platform; a second rack gear associated with the second leg member, the second rack gear slidably mounted to the lower surface of the platform; and a pinion gear in contact with the first rack gear and the second rack gear, wherein the latch mechanism comprises a latch member adapted to selectively engage the pinion gear, wherein the latch member is releasably biased into engagement with the pinion gear, the latch mechanism further comprising a handle operable by a user to disengage the latch member from the pinion gear, and characterized in that the latch member is a rectilinear sliding element. a platform including a substantially flat work surface and a lower surface opposite to the work surface; a first leg member and a second leg member pivotably coupled to the lower surface of the platform, the first leg member and the second leg member each pivotable between a fully raised position and a fully lowered position; a rack and pinion gear system associated with the first leg member and the second leg member; and a latch mechanism associated with the rack and pinion gear system, the latch mechanism operable to engage and immobilize the rack and pinion gear system in one or more positions to retain the first leg member and the second leg member in the fully raised position or the fully lowered position or one or more intermediate positions, or to disengage the rack and pinion gear system to change the position of the first leg member and the second leg member with respect to the platform, wherein the rack and pinion gear system comprises: a first rack gear associated with the first leg member, the first rack gear slidably mounted to the lower surface of the platform; a second rack gear associated with the second leg member, the second rack gear slidably mounted to the lower surface of the platform; and a pinion gear in contact with the first rack gear and the second rack gear, a first rack gear associated with the first leg member, the first rack gear slidably mounted to the lower surface of the platform; a second rack gear associated with the second leg member, the second rack gear slidably mounted to the lower surface of the platform; and a pinion gear in contact with the first rack gear and the second rack gear, wherein the latch mechanism comprises a latch member adapted to selectively engage the pinion gear, wherein the latch member is releasably biased into engagement with the pinion gear, the latch mechanism further comprising a handle operable by a user to disengage the latch member from the pinion gear, and characterized in that the latch member is a rectilinear sliding element.