A little list of low cost development kits .

• FireAnt: With Trion T8 by Efinix
• IceStick: With Lattice Ice40
• Lichee Tang: With FPGA ANLogic EG4S20BG256
• LittleBee: With Gowin FPGA
• Tang Nano: With Gowin FPGA
• Analog Max: With Max10 by Intel
• OrangeCrab: With ECP5 by Lattice, and open source toolchain (Trellis project)
• Colorlight $15 ECP5 board: With ECP5 by aliexpress.

A list of high end (cost 😉 kits:

• M100PFEVP: PolarFire 4+1 cores 64bits RiscV. 23KLE to 245KLE for 700€