PullApprove vs TravisBuddy: What are the differences?
PullApprove: Approve Pull Requests with a comment. Just start a comment with "Approved" (or a custom regular expression) to sign-off without ever leaving GitHub. PullApprove can be configured by a .pullapprove.yml YAML file in the root of your repo. With it, decide exactly what "approval" means to your team; TravisBuddy: Adds comments to failed pull requests, tells author what went wrong. TravisBuddy is a cloud service that creates comments in failed pull requests and tell the author what went wrong and what they can do to fix it.
PullApprove and TravisBuddy belong to "Tools for GitHub" category of the tech stack.
TravisBuddy is an open source tool with 252 GitHub stars and 131 GitHub forks. Here's a link to TravisBuddy's open source repository on GitHub.