Abot is described as 'A simple tool for providing anonymous feedback messages within your Slack team. Whoever receives a feedback can reply to it without knowing who is the author. Slack team admins can customize the bot to prevent misuse of anonymous communication' and is an app. There are four alternatives to Abot for a variety of platforms, including Online / Web-based, Slack, SaaS, Android and iPhone. The best alternative is Standups, which is free. Other great apps like Abot are Meetoo, Incognito for Slack and Standuply.