I have been studying about GAL, PAL and PLDs. I found these two CDs to download with various programs. Maybe there is something interesting.
For example:
"Welcome to Altera's FirstStep design kit, a free and simple
tool for easy PAL/GAL integration. FirstStep is a Windows
based utility program used to enter and compile designs for
Altera's EPM7032 high performance EPLD. "
https://archive.org/details/pld-start (ISO.image)
Contents:Altera: 1Step
Altera: PLDshell Plus
AMD: MachPro
AMD: MachXL
Data I/O: EasyABEL
Data I/O: Synario (Evaluation)
Isdata: LOG/IC (Evaluation)
Logical Devices: PALexpert
MicroSim: Design Center (Evaluation)
MicroSim + AMD: Design Center AMD (Evaluation)
National Semi: OPAL Jr
Quicklogic: pASIC
SH-Elektronik: GDS (Evaluation)
Texas Instruments: ProLOGIC
Xilinx: DS550
HiLo Systems: ALL07 programmer device list
https://archive.org/details/elrad-pld (ISO.image)
Contents:Synario: ABEL-Edu 5.03
HiLo Systems: ALL-07 programmer device list
Minc-IST: Asyl+VHDL Starter Kit
Pilkington Micro: August Design System 2.2
Xilinx: DS550 6.0
Translogic: Ease-VHDL 2.3
Altera: First Step 1.0
Schuster/Belte: FPGA-Pilot (Evaluation)
SH-Elektronik: GDS 3.5 (Evaulation)
Mettner: GLSIM 1.10
Lattice: ISP Starter Kit 2.71
Isdata: LOG/IC2 4.22 (Evalation)
AMD: MachXL 2.1
AMD: MachXL/210 3.0
AMD: PALasm 1.5
Altera: PLDshell 5.0
MicroSim: PLSyn 6.2 (Evaluation)
iNT: PSI 2.1 (Evaluation)
iNT: SCAT 2.1a (Evaluation)
Visual Software Solutions: StateCAD 2.10F (Evaluation)
iNT: STC 2.1 (Evaluation)
iNT: SVU 1.0 (Evaluation)
iNT: VGEN 2.1 (Evaluation)
Cypress: Warp2/371 3.3
Xilinx: XABEL-CPLD 6.0 (Evaluation)