Sigma Plus
Want to see how good of a mathematician you are?
Sigma Plus launched on July 27, 2015 with 58 votes, #1,287 of 4,208 launches that month and more than 50% of that year's launches. The site was not reachable when checked in September 2026.
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A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
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Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
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Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
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Source: Product Hunt launch ↗
Launched alongside, July 2015
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Hotjar▲1,312See how visitors are using your site and get visual feedback
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Spot the Drowning Child▲1,215Can you spot the drowning child in this crowded wave pool? To the untrained eye, drowning looks like swimming. The Instinctive Drowning Response is frequently missed, even by people nearby.
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Docker implemented in around 100 lines of bash. Contribute to p8952/bocker development by creating an account on GitHub.
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Guida completa ai siti scommesse americani 2026: scopri i migliori bookmaker USA, licenze, bonus, sport americani, metodi pagamento e consigli utili.
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