ContentFly - Simple and reliable content ordering platform for busy marketers. Only pre-vetted writers from USA & Canada and 14-day money-back guarantee.
Copydue - Top writers, on-demand for as low as $150/mo
VeryGoodCopy - 100s of proven copywriting principles & techniques, for free
Mailbutler - Mailbutler adds lacking functionality to email clients and increases your productivity
ScriptDoll - Making it easier to write great sales copy 📝
Free Marketing Email Copy - Marketing email copy from 500+ popular brands.