diff --git a/Sources/RediStack/Commands/PubSubCommands.swift b/Sources/RediStack/Commands/PubSubCommands.swift
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+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the RediStack open source project
+//
+// Copyright (c) 2019 RediStack project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of RediStack project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import NIO
+
+// MARK: Publish
+
+extension RedisClient {
+    /// Publishes a message to a specific Redis channel.
+    ///
+    /// See [https://redis.io/commands/publish](https://redis.io/commands/publish)
+    /// - Parameters:
+    ///     - message: The message content to publish on the channel.
+    ///     - channel: The name of the channel to publish to.
+    /// - Returns: A `NIO.EventLoopFuture` that resolves the number of subscribed clients that received the message.
+    @inlinable
+    @discardableResult
+    public func publish<Content: RESPValueConvertible>(
+        _ message: Content,
+        toChannel channel: String
+    ) -> EventLoopFuture<Int> {
+        let args: [RESPValue] = [
+            message.convertedToRESPValue(),
+            .init(bulk: channel)
+        ]
+        return send(command: "PUBLISH", with: args)
+            .convertFromRESPValue()
+    }
+}
+
+// MARK: PubSub Sub-commands
+
+extension RedisClient {
+    /// Lists all the channels that have at least 1 subscriber.
+    /// - Note: If no `match` pattern is provided, all active channels will be returned.
+    ///
+    /// See [https://redis.io/commands/pubsub#pubsub-channels-pattern](https://redis.io/commands/pubsub#pubsub-channels-pattern)
+    /// - Parameter match: An optional pattern of channel names to filter for.
+    /// - Returns: A `NIO.EventLoopFuture` resolving a list of active channel names.
+    @inlinable
+    public func activeChannels(matching match: String? = nil) -> EventLoopFuture<[String]> {
+        var args: [RESPValue] = [.init(bulk: "CHANNELS")]
+        
+        if let m = match { args.append(.init(bulk: m)) }
+        
+        return send(command: "PUBSUB", with: args)
+            .convertFromRESPValue()
+    }
+    
+    /// Resolves the total count of active subscriptions to channels that were made using patterns.
+    ///
+    /// See [https://redis.io/commands/pubsub#codepubsub-numpatcode](https://redis.io/commands/pubsub#codepubsub-numpatcode)
+    /// - Returns: A `NIO.EventLoopFuture` that resolves the total count of subscriptions made through patterns.
+    @inlinable
+    public func patternSubscriberCount() -> EventLoopFuture<Int> {
+        let args: [RESPValue] = [.init(bulk: "NUMPAT")]
+        return send(command: "PUBSUB", with: args)
+            .convertFromRESPValue()
+    }
+    
+    /// Resolves a count of subscribers for each given channel.
+    /// - Important: This command excludes clients that are subscribed through pattern matching.
+    ///
+    /// See [https://redis.io/commands/pubsub#codepubsub-numsub-channel-1--channel-ncode](https://redis.io/commands/pubsub#codepubsub-numsub-channel-1--channel-ncode)
+    /// - Parameter channels: A list of channel names to resolve the subscriber counts for.
+    /// - Returns: A `NIO.EventLoopFuture` resolving a map of channel names and their subscriber count.
+    @inlinable
+    public func subscriberCount(forChannels channels: [String]) -> EventLoopFuture<[String: Int]> {
+        guard channels.count > 0 else { return self.eventLoop.makeSucceededFuture([:]) }
+        
+        var args: [RESPValue] = [.init(bulk: "NUMSUB")]
+        args.append(convertingContentsOf: channels)
+        
+        return send(command: "PUBSUB", with: args)
+            .convertFromRESPValue(to: [RESPValue].self)
+            .flatMapThrowing { response in
+                assert(response.count == channels.count * 2, "Unexpected response size!")
+                
+                var results: [String: Int] = [:]
+                results.reserveCapacity(channels.count)
+                
+                // Redis guarantees that the response format is [channel, count, channel, ...]
+                // with the order of channels matching the order sent in the request
+                for (index, channel) in channels.enumerated() {
+                    assert(channel == response[index].string, "Unexpected value in current index!")
+                    
+                    guard let count = response[index + 1].int else {
+                        throw RedisClientError.assertionFailure(message: "Unexpected value at position \(index + 1) in \(response)")
+                    }
+                    results[channel] = count
+                }
+                
+                return results
+            }
+    }
+}