No, I did not get access to the source, but there are no good FOSS options for search engines (what do you have in mind?) -- although there are for Google accounts and Slack, but I don't blame you for using these.
I don't blame you either for looking for the best or most convenient options nostr:note1vgm0ve3hrudkxgeq2c8n3dz4plujp9vayxvwqwd2ycdye4vc5mmqpqcrq7