Bytefest is an annual meeting of the fans and users of various vintage computers, located in Prague.
For the last few years, it has been taking place in the Smichov Train Station and this year’s date is October 13-15th.
The platforms you can see on the partyplace are not limited. You can see e.g. Apple, Atari XL/XE, ST, TT, Falcon, 2600, 7800, Portfolio, Commodore 64, 128, Plus/4, 16, Sinclair ZX 81, Spectrum, Amiga, Sharp MZ, Sord M5, MSX, PMD 85, Enterprise 64/128, Matra Alice, Nintendo 64, NES, Famicom, SNES, Gameboy, Philips Videopac, Sega Master System, Mega Drive, and many, many others.
More information here