TgGrow - Bot for Giveaways in Telegram.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
HeyTaco - Create stronger, happier teams that people love
Monkey Test It - Primate powered algorithms that scan your site for common bugs and SEO mistakes.
Karma bot for Slack - A bot that helps you build better people culture
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.