While I would typically lean to using something like Dash’s snippet due to its ability to integrate with Alfred Workflows, I have found myself using SnippetsLab for almost a year now. Its ability to run in the background reduces clutter and can be quickly called up with Alfred or Spotlight. Alternatively, can quickly access all your snippets through its menu bar icon. Other features that keep me using it are the nice themes and supports syntax formatting and highlighting for a huge list of languages. Lastly, the new markdown viewer is great and allows for complete cutomization of styling. Nice job guys! Oh, and it has never crashed on me, that I can recall.