BotList - An app store for bots
Troops Slack Sales Gong - The most customizable Salesforce Gong in Slack
Slack App Directory - Your go-to for finding apps that work with Slack
Attentive - A marketing channel, built for retail & e‑commerce
ChatBottle - Chatbots Search Engine
StatusOk (Open source) - Get notified through Slack/email when your website is down