5. Beep Boop
Most important features:
Slack integration;
Beep Boop is the best developing environment for Slack integrations. Before you start building a chatbot, you will need to integrate your GitHub and Slack account and choose one of the three Beep Boop plans. The Tall is the only free plan, and it allows you to use your chatbot on three Slack teams. This plan also provides you with 150MB of free memory space, but you will need to restart it, on a regular basis. Paid plans, like Grande and Venti, offer other useful features.
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