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PostureGuard
Your quiet posture coach, running locally
PostureGuard monitors your posture in real time using your webcam, but everything stays on your machine. No accounts, no recordings, no cloud processing, just a short calibration, silent background monitoring, and native OS notifications when you start slouching. Built with Python + MediaPipe and fully open source.
I built PostureGuard because I kept catching myself hunched over my laptop for hours without noticing.
I did not want another reminder app, browser extension, or wearable. I wanted something that would quietly run in the background, learn my baseline, and only speak up when I actually started slipping into bad posture.
That is what this does:
• short calibration on launch
• real-time posture checks from your webcam
• local processing only, no video storage
• native system notifications when posture drifts
• no accounts, no tracking, fully open source
It is intentionally simple and privacy-first. Everything runs on your machine, and the webcam frames are discarded immediately after analysis.
I would love feedback from people who spend long hours at a desk: does this solve the problem in a way that feels useful, or is there something missing that would make it genuinely stick?
About PostureGuard on Product Hunt
“Your quiet posture coach, running locally”
PostureGuard was submitted on Product Hunt and earned 2 upvotes and 3 comments, placing #124 on the daily leaderboard. PostureGuard monitors your posture in real time using your webcam, but everything stays on your machine. No accounts, no recordings, no cloud processing, just a short calibration, silent background monitoring, and native OS notifications when you start slouching. Built with Python + MediaPipe and fully open source.
On the analytics side, PostureGuard competes within Health & Fitness, Productivity, GitHub and Tech — topics that collectively have 1.4M followers on Product Hunt. The dashboard above tracks how PostureGuard performed against the three products that launched closest to it on the same day.
Who hunted PostureGuard?
PostureGuard was hunted by Matheus Santos. 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.
For a complete overview of PostureGuard including community comment highlights and product details, visit the product overview.
Matheus Santos