https://tgstat.com/
Telegram channels and groups catalog — World — TGStat
The largest Telegram channels and groups catalog TGStat. More than 2 787 361 channels and groups, classified by countries, languages and categories
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https://whchannels.com/
WhatsApp Channels and Groups Directory | WHchannels.com
Free Directory of WhatsApp Channels and WhatsApp Groups
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