Delfi of GTATools
has been hard at work to create the San Andreas TXD Workshop 3.3. It's still in beta form but you're able to open "practically any GTA: San Andreas texture dictionary out there!"
Saving TXD's will be implemented at a later date. Have fun modding everyone!
Warning as it says in the readme this version is quite unstable so use at your own risk.
Download Links: TXD Workshop 3.3 Beta
or our mirror - Here