Get in touch with the owner to discuss the tech stack, market size, or just make an offer!
Janitr will welcome new users in your Slack team by sending them the welcoming message you've set either publicly or in DM. Introduce your team, send them your team's policies or simply say hello.
Twitter bot that tweets future bitcoin value predictions. Whole algorithm + Twitter page.
QuoteFactory creates inspirational quote images for businesses to post on social media. It is a huge business on freelancing sites like Fiverr. There has been a similar successful site like this that you can read about here: https://goo.gl/wqib5L