Teamder - Tinder, but for creating teams at work.
Mergefly - A modern UI for GitHub pull requests
PullReminders - Review and release pull requests faster with Slack reminders and metrics.
PullRequest.com - Code review as a service
Monolist.co - The command center for engineers. Tasks, pull requests, messages, docs — all in one place
Codementor - “Instant help from expert developers. Codementor is your instant 1:1 expert mentor helping you in real time.”