Alternatives
Products that do what Open-source Android app to record raw data from Polar devices does
There seemed to be no open source app yet to record raw biosignals from polar devices, so I build one. It’s aimed at researchers, developers, and anyone interested in working with raw biometric signals. Would love any feedback!
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I love the idea of quantified self and recently decided to pull all of my data in one place. I pull all of my data from ActivityWatch, Wakatime, and Health Connect APIs :)
2023 · kshivendu.dev
- 12OY
We developed an open-source iPhone application that can collect and stream data from the iPhone’s sensory suite. Download it from the app store and try recording some data yourself! https://apps.apple.com/us/app/anysense/id6742254654 Specifically, we enable streaming and collection of: - RGB, depth and movement data - Audio data from internal or external microphones - External sensor data streamed over Bluetooth The gold star here is for apps like AnySense to help scale robotic data collection the same way that smartphones helped scale vision and language data.…
2025 · anysense.app
- 13LG
Hi! I'm a long-time Android dev and shorter-time iOS dev. I work on this cool project called Literal (https://www.literal.ai/devs). Demo available without any signup requirement: https://literal.ai/hn You can upload your own app recording or use a sample of the Calm app. Literal will map out the screens on an interactive canvas. I built Literal, because I often field a lot of questions from PMs and other folks about what the new app release looks like. I used to send out screenshots in Slack and manually document analytics events as well as what APIs were hit.…
2022 · literal.ai
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Yeah I know I hate the name too but I wasn't about to pay up for odyssey.app. It's an open source project so feel free to poke around with it / fork it. I talk about it more on the marketing website, but a few of us have been using it for the past month and kind of fun. Obviously there will be a slew of issues / feedback / nits that come from this, but c'est la vie. GH is here: https://github.com/johnlarkin1/odozi
Apr 2026 · odozi.app
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Greetings, HN! I have created a new kind of 360º video camera with GPS and live streaming capabilities. A device like this has never existed in this form factor or price point before. After launching on Kickstarter, it has gotten coverage in Techcrunch and Boingboing, and received 89% funding in the first 24 hours. I'd love to hear anyone's thoughts about the device, the Kickstarter campaign, and any ways of publicizing the campaign that I might be missing. I'm most interested in hearing anyone thoughts about how the Kickstarter page might be improved to boost conversions, as the clock is…
2012
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I've been working on an open source Android SDK that supports OpenTelemetry export. I'm excited about this as observability SDKs have traditionally used proprietary schemas that make it hard to export & analyse production data. Would be great to hear any feedback/comments folks might have! Here's the Android SDK: https://github.com/embrace-io/embrace-android-sdk There is also an iOS SDK, but I've been less directly involved in that: https://github.com/embrace-io/embrace-apple-sdk
2024 · github.com
- 18PA
Hi HN! After several months of work, I'm excited to share ProKZee, a free and open-source network security tool built with Go and React using Wails framework. ProKZee allows developers, security researchers, and penetration testers to intercept, inspect, and modify HTTP/S traffic — similar to tools like Burp Suite, OWASP ZAP, and Caido — but with a fast native UI, modern UX, and some unique features. https://github.com/al-sultani/prokzee
2025 · github.com
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Hey everyone, I wanted to share what I have been working on recently. I had this itch for a long time to figure out if terrain contour matching could help with ground navigation, by only only relying on iphone's sensors and public data. So far I have had decent results. This is a working prototype, but there is a lot that is in the pipeline. If you notice anything weird, let me know or open a PR. Any feedback, comments are welcome :)
Jun 2026 · github.com
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Hey HN, A long time ago, due to the lack of viable solutions with E2EE and offline-first syncing, I decided to dedicate my time to making one (which has its own story: https://yaad.one/blog/yaad-story). In the course of ~3 years, I developed a knowledge management app with these primary features: - Primitives: Notes, Tasks, Contacts - Grouping with "Boxes" - Offline-first - Multiplatform; currently available for Android, Windows (x64), macOS, and Linux (ARM). - Fully end-to-end encrypted (AES-256-GCM) - 13 Languages, 8 calendar systems - Light & dark mode Last night, I…
2024 · yaad.one
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MBCompass: A popular modern FOSS Compass and Navigation app without Ads, IAP, or Tracking New Release: MBCompass v1.1.12 This release and upcoming ones follow the feature roadmap proposed in the v2 design proposal. Features: - Shows clear cardinal direction and magnetic north as well as true north. - Displays magnetic strength in µT. - Live GPS location tracking on OpenStreetMap. - Sensor fusion for improved accuracy (accelerometer, magnetometer, gyroscope). - Light and dark theme support is controlled via Settings. - Keeps the screen on during navigation. - Landscape orientation supports -…
Nov 2025 · github.com
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Hi, Sometimes I want to wrap an existing website into an Android app quickly so I made a service that does just that https://html2apk.com/ If you find it useful I'll be happy to hear about that, if you have any other comments/suggestions I'll be happy to hear about that too. 10x, Gilad
2019
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We use an SDK (shake-to-report) to extract a lot of information (Session Recording, API/Network Calls, Crash Logs, Device Details, etc) when a bug is reported on Native Android/iOS. Then all these comprehensive bug reports can be viewed on our Dashboard, where there's also an AI suggested solution for all reported bugs. We need more contributors to expand this solution to React, Flutter, Unity, other cross-platform Frameworks.
2024 · github.com
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Definitely one of those "20 minute adventure gone wrong" projects where all I wanted initially was a quick wireless rubber ducky for bitlocker keys and the like and then I kept adding stuff like AES-256..... Currently working on adding WebAuthn/FIDO support because the hardware is already there and scope creep is a lifestyle at this point. Would love feedback, especially on the security side. Repo and PCB files are fully open source.
Jul 2026 · github.com
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