Solo - Personal kanban boards hosted on your own server

Mio - Powering seamless communication between workplace chat apps.

Cash App - The easy way to send, spend, bank, and invest.

Slackin - Create your own public Slack chat community

Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

Chats.Directory - A curated list of the best Slack groups for professionals