Shlack - Whoa, a bash shell inside Slack!
Mergefly - A modern UI for GitHub pull requests
Memonia - Automatic knowledge discovery and sharing for Slack
PullRequest.com - Code review as a service
OneBar - AI-powered Q&A knowledge base for Slack teams
Codementor - “Instant help from expert developers. Codementor is your instant 1:1 expert mentor helping you in real time.”