Based on our record, opsdroid seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Have a look at https://opsdroid.dev/ it has Slack support, you can then bridge Slack/Discord with matterbridge or something to get functionality from both sides. Source: over 2 years ago
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