I like to mirror open-source software versions that may be hard to find one day.

Go

1.19.4

File name SHA256
go1.19.4.src.tar.gz eda74db4ac494800a3e66ee784e495bfbb9b8e535df924a8b01b1a8028b7f368
go1.19.4.darwin-amd64.pkg 3ca65ff0606054b076c009d3bb3b8aba0032b75ac690de716be5c44ce57da052
go1.19.4.darwin-arm64.pkg 63f5dd4f94c2a6cde1b035c2373da4d0b95f933f3a0a7169f9f78da953efbb59
go1.19.4.linux-amd64.tar.gz c9c08f783325c4cf840a94333159cc937f05f75d36a8b307951d5bd959cf2ab8

PHP

Version Link Signature
5.6.40 https://cdn.x6c.co/tar.gz/php/php-5.6.40.tar.gz
7.4.30 https://cdn.x6c.co/tar.gz/php/php-7.4.30.tar.gz asc
8.0.21 https://cdn.x6c.co/tar.gz/php/php-8.0.21.tar.gz asc
8.1.8 https://cdn.x6c.co/tar.gz/php/php-8.1.8.tar.gz asc

Primes

Prime Link
M82589933 https://cdn.x6c.co/primes/M82589933.txt