Open-source DePIN driver safety network with real-time fatigue/distraction detection via edge AI, IoT telemetry, and tamper-evident incident logging on Solana. Go backend, SvelteKit dashboard, full...
A proof of concept for SSH-public-key web authentication: log in to a website by signing a server-issued challenge with the SSH key you already have — no password at all. Includes SDKs in Python,...
A local-first, free, open-source PDF toolkit — merge, split, sign, redact, and more. Runs entirely on the user's machine; nothing leaves the computer.
A local app for music, TV, movies, and photos with automatic metadata matching. A single Go binary with SQLite storage — no accounts, no external services required.
A smooth, configurable gaze target for eye-movement work — a desktop app that plays a playlist of movement patterns. Runs entirely on the user's machine.
Heavy is a framework for easily generating audio plugins for use in interactive sound and music applications such games, instruments or installations. It aims to reduce the dependency on low-level ...
Perseus Vault is a single ~8MB Rust binary that gives AI agents durable, portable memory across sessions with no Docker, no Postgres, and no cloud. It is MCP-native (55 tools), local-first, and ful...
A local-first, open-source Markdown vault editor for Windows, macOS and Linux. Plainva opens existing Obsidian vaults without migration, adds Notion-style databases over plain notes, and syncs thro...
An open document format, with a reference implementation in Rust, that puts a whole document (text, media, declared interaction, and a built-in accessibility structure) in one portable file that wo...
Apache 2.0 licensed open-source platform for reliable edge-to-cloud data synchronization.
Turn an AI eval result into one signed, tamper-evident, offline-verifiable receipt. Proves authorship and integrity — never truth. One JSON file, no server.
Open-source trust layer for cross-border B2B trade on the XRP Ledger. Provides non-custodial escrow, ed25519 multi-signature custody (3/3 oracle release), and on-ledger anchoring of a Digital Produ...
The Electron/React desktop companion (Windows, macOS, Linux) at full feature parity with mobile, including the end-to-end encrypted Friends & Sync networking. Desktop and phone pair as devices with...
A self-hostable Go relay node built on libp2p (DHT discovery, GossipSub presence, relay streams between nodes). Nodes form a mesh so users on different relays can still reach each other; the app-fa...
The core mobile app (React Native, iOS + Android), live on both app stores with roughly 5,000 users. Front tracking with history and statistics, member profiles with custom fields, journals, polls,...
A C++ metaprogramming framework enabling zero-overhead compile-time composition for embedded/IoT systems. Separates container traversal from operation logic under a single evaluation model, letting...
An open source menu/UI library for embedded and IoT devices (AVR, ESP32, STM32, and other MCU targets), used wherever a device needs a navigable on-device UI: buttons, encoders, LCD/OLED/TFT displa...
The open-source screen-time browser extension for Chrome, Brave, and Firefox. It tracks how long you actually spend on sites (counting only active viewing time), blocks sites in groups with usage-b...
A local-first, vendor-neutral coordinator for AI coding agents. You build your own specialized agents, orchestrate them across your repositories (Codex, Claude Code, Kimi), and run them unattended ...
A fully autonomous six-agent economic governance system powered by Qwen-Plus, PID control theory, and a three-layer safety framework. Q-EOS implements the Dynamic Control Buyback Mechanism (DCBM, a...
Siddhartha Rajbongshi
Alexander4, LLC
