An open source engine for your digital products. Sell SaaS and digital products in minutes.
One-click Bitcoin Lightning networks for local app development & testing
A GCode sender (not only for lasers or plotters) for up to two GRBL controller. SVG, DXF, HPGL import. 6 axis DRO.
Fast multi-thread FEC simulator & library of efficient digital communication algorithms for SDR.
A Library for processing GPX, TCX, FIT and JSON files from services such as Strava, Movescount, Garmin, Polar etc
React Starter Kit built using React Router v7, Clerk, Convex & Polar
Heart rate variability (HRV) biofeedback with ECG chest straps.
Polar devices Python API and CLI.
Verilog Forward Error Correction Archive: BOX-Muller for fast AWGN generation, Universal Demapper from BPSK to QAM-512, different Forward Error Correction coders and decoders Hamming code, Golay code (24), 4-dimension 8-ary phase shift keying trellis coded modulation (TCM_4D_8PSK), BCH, CCSDS and recursive systematic convolutional (RSC) Turbo codes
A BLE Heart Rate Monitor bridge for Social VR, OBS, Data Logging, and more!
A library for polar codes in Python.
Calculates the sunrise and sunset for a given date and location (using GEO coordinates). This library uses the method outlined NOAA Solar Calculations Day spreadsheet found at http://www.esrl.noaa.gov/gmd/grad/solcalc/calcdetails.html.
Helpful tools for polar researchers
Reusable C++ coding-related code library
❇️ neatly composed rules for ai ides like cursor, windsurf, vscode microsoft github copilot, reliverse ai, etc. optimized for modern frontend development with next.js 15, react 19, typescript 5, tailwind 4, shadcn/ui, drizzle orm, better auth, polar, tanstack form, react query, etc.
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