PushOwl might be a bit more popular than Direct Mail. We know about 1 link to it since March 2021 and only 1 link to Direct Mail. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Another option, for Mac users: Direct Mail (https://directmailmac.com). Disclosure: I work there. - Source: Hacker News / over 2 years ago
We are looking for Frontend Developer at @pushowl https://pushowl.com/. Source: 12 months ago
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