Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community

Fredboat - FredBoat is one of the best online music bots for Discord.

UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system

Zandercraft - Zandercraft is an amazing discord bot that includes musical playback and a bunch of other cool features.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

BMO - BMO is a music Discord bot that offers a wide range of high-quality music, games, memes, and other entertainment.