Slack App Directory - Your go-to for finding apps that work with Slack
Slack Jira Integration - Easily keep issues moving right from Slack
BotList - An app store for bots
Sortd for Slack - Get Trello-style project boards right in your Slack!
Slack Message Buttons - Making messages more interactive with buttons
Actions from Slack - Turn Slack messages into tickets, issues, tasks, and more.