Both have open APIs and can be easily connected. If your focus is on syncing trello cards to github issues (in multiple repos), there&#x27;s a small PHP tool[1] we hacked together to connect those APIs (shameless self plug). It also supports 2-way sync.<p>[1] <a href="https:&#x2F;&#x2F;github.com&#x2F;loopline-systems&#x2F;trello-github-issue-manager" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;loopline-systems&#x2F;trello-github-issue-mana...</a>