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The best alternatives to PSTMRK are SLOWLY, and Penpal Café.
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Best alternatives to PSTMRK
  • SLOWLY is created for those who yearn for meaningful conversations, lacking in the era of instant messaging. It connects people around the world at a slower but better pace – one letter at a time.
  • Penpal Café is a place to use the magic of the internet to find a penpal. For the first season, the café is open until April 14. Navigation hint: click the image.