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Système D (STM-D) is a free, independent web application built for sound technicians, live sound engineers, audio students, and sound system enthusiasts. It's completely free, independent, and ad-free. Built independently, for the audio community.
Hey Product Hunt! 👋
I'm the creator of Système D (STM-D), a free web application I built for sound technicians, live sound engineers, audio students, and anyone passionate about sound.
I wanted to bring useful audio tools together in one place — from practical calculators and learning resources to measurement tools and a 3D stackbuilder for visualizing speaker configurations.
The goal is simple: make everyday audio work easier and make useful tools accessible to everyone, without ads or paywalls.
STM-D is an independent project, built out of a genuine passion for audio and a desire to create something useful for the community.
I'm sharing it here to reach more people in the audio world, get honest feedback, and keep improving the platform.
If you work with sound, I'd love for you to give it a try and tell me what you think!
🚀 Check it out: https://stm-d.com
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About Système D on Product Hunt
“Free Audio Tools for Sound Technicians”
Système D was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #251 on the daily leaderboard. Système D (STM-D) is a free, independent web application built for sound technicians, live sound engineers, audio students, and sound system enthusiasts. It's completely free, independent, and ad-free. Built independently, for the audio community.
Système D was featured in Productivity (665.4k followers), Education (79.5k followers) and Audio (2.2k followers) on Product Hunt. Together, these topics include over 220.7k products, making this a competitive space to launch in.
Who hunted Système D?
Système D was hunted by hzcore. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Système D stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
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