Cardano developers channels
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A subreddit dedicated to everyone building on the Cardano blockchain.
Chat style conversations on Telegram in one of the oldest Cardano developer groups.
Dedicated channel for Marlowe developers and users. Marlowe is a specialized domain-specific language for financial smart contracts on Cardano. You can ask questions, participate in discussions and meet the team behind Marlowe.
CIPs - biweekly meetings
CIP meetings discuss Cardano Improvement Proposals every other week. Join Editors and community members in the dedicated discord server to keep up with the ongoing technical discussions regarding standards, processes and ongoing Cardano conversations.
Stake pool operator channels
Best practice workgroup on Telegram for stake pool operators. This group is hectic. A good resource to search for answers.