Yandex also suffered a security breach and their source code is available[0] although utilizing it in any way is ethically and legally dubious (at best). [0] -

Yandex also suffered a security breach and their source code is available[0] although utilizing it in any way is ethically and legally dubious (at best). [0] - https://arstechnica.com/information-technology/2023/01/massive-yandex-code-leak-reveals-russian-search-engines-ranking-factors/amp/ https://arstechnica.com/information-technology/2023/01/massi...