ZX Spectrum - Wikipedia
https://en.wikipedia.org/wiki/ZX_Spectrum
The ZX Spectrum (UK: /zɛd ɛks/) is an 8-bit personal home computer released in the United Kingdom in 1982 by Sinclair Research. Referred to during development as the ZX81 Colour and ZX82...
ZX Online - Publish your ZX Spectrum products to distribute worldwide
https://zxonline.net/
ZX Online is a publishing platform for ZX Spectum lovers who want to distribute their products (games, applications, images, music etc) online. The publishing platform for ZX Spectrum fans.
World of Spectrum
https://worldofspectrum.org/
The official world archive for the Sinclair ZX Spectrum and the largest on-line gaming center on the Internet.