Letsfind might be a bit more popular than Upcoming.org. We know about 1 link to it since March 2021 and only 1 link to Upcoming.org. 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.
Https://upcoming.org/ covers this use case. It was sold to Yahoo a while back but then after shutting it down, Yahoo offered to sell it back to the original authors. https://upcoming.org/about. - Source: Hacker News / almost 3 years ago
This (https://letsfind.app/) would've been perfect but I don't see an option to let you lock the vote to only one option. Source: about 2 years ago
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