Open source. Open possibilities.

A collection of experimental web-based tools and simulations focusing on non-standard physics, decentralized networking, and productivity.

lolly-web is a Vite-powered PWA that serves as the reference web interface and capability bridge for the lolly shell ecosystem.

Simple Multi Apps - Kotlin is an open-source Android application featuring a modular collection of tools including a stopwatch, games, PDF reader, and video player.

EncodeX is a cross-platform multimedia conversion tool that provides a modern desktop interface for FFmpeg, supporting video/audio conversion, cutting, and image compression.

Lamitype is a free, open-source, privacy-first macOS speech-to-text app with local Qwen3-ASR on Apple Silicon, Traditional Chinese-first output, live captions, translation, proofreading, and optional cloud dictation.

Douvo is a lightweight macOS voice input app for Apple Silicon that uses Doubao ASR with optional local or remote AI post-processing for text cleanup, translation, and selected-text editing.

lolly-cli is a headless shell for the lolly tool catalogue, allowing tools to be rendered to files via a CLI interface without requiring a browser.

Provides an MCP server that fetches and analyzes Kotlin/Java library sources from Maven/Gradle, exposing API signatures, KDoc, source code, dependencies, and version listings via a set of tools for AI assistants and IDEs.

ImageCropKit is a privacy-first browser image cropper built with Next.js and the Canvas API. It handles single and bulk crops, aspect-ratio and platform presets, circle/oval shapes, and AI dataset sizes, exporting PNG, JPG, or WebP with no upload, signup, or watermark.

Offline-first winter navigation for Flutter with dead reckoning, Kalman filters, MBTiles maps, dual routing (OSRM/Valhalla), and weather advisories. Runs on Linux desktop; embedded Linux support in progress.

Gancho is a local-first clipboard history and curated snippet library for macOS, iPhone and iPad. It captures, searches and reuses copied content, syncs through the user's private iCloud, and keeps clipboard content out of logs, telemetry and diagnostics.

Automated job alert pipeline that polls 6 major company career APIs and ~1,200 ATS job boards, filters for US-based entry/mid-level software engineering roles, deduplicates against persisted state, and emails digest alerts on a schedule via GitHub Actions.

VectorMojo is a client-side design-file to SVG converter that runs in the browser. It reads PSD/PSB, PDF, modern Illustrator AI, EPS, SVG, PNG and JPEG, then exports SVG, PNG, PDF or copied SVG markup, keeping parsing, tracing and rendering in the tab.

HuFu is a cross-platform input method platform centered on Huaji code, currently supporting Windows. It integrates sentence input, neural reordering, multi-format code table compatibility, and graphical settings for a high-performance Chinese input experience.

Govote is a terminal-based user interface application designed for viewing voting information. It provides a simple command-line experience to access and display data related to votes, accessible via SSH.

AI Limits is a Chrome side-panel extension that tracks subscription usage and reset timing across twenty AI providers, normalizing each provider's quota into a single Used or Left view with local history graphs.

Kodama is a companion application designed for managing and supporting Bonsai contests.

QuotaBar is a macOS menu-bar utility for monitoring remaining subscription quotas for Cursor, ChatGPT, GLM, Grok, and OpenCode Go. It displays usage percentages in the status bar with a compact popover, supporting multi-account management and local credential storage without telemetry.

A no-backend static directory of licensed Florida massage establishments verified against the state DOH MQA portal, delivered as a web PWA, Chrome extension, Android, Android Auto, watch, and iOS apps, plus a client-side-encrypted watchlist of unlicensed businesses.

A lightweight Windows desktop application for rotating and syncing wallpapers from local collections or a remote server API.

A browser extension that saves the prompt you typed in an AI chat composer, keyed by conversation URL, and restores or appends it with a click or shortcut. Works on ChatGPT, Gemini, Claude, Perplexity, Grok, Mistral and DeepSeek; no popup, no account, no build step.

Browser-only PWA that compares live hourly rainfall forecasts against a register of 73 researched Gurugram flood points, returning time-windowed risk and route verdicts, with citizen reports gradually replacing estimated thresholds with measured ones.

Astra is a native Material You Expressive replacement for the DSBmobile app, showing school substitution plans with a clean, customizable Kotlin/Compose interface.

Zinnia is a cross-platform 7-Zip GUI built with Tauri, providing archive extraction and compression plus deep OS integration on Windows, macOS and Linux, including Explorer context menus, Finder Sync items and desktop actions.

A self-contained PHP class for converting strings into various named formats, including common programming casing and specialized identifiers.

A whimsical date picker that lets you select your birth date by dragging Earth around the Sun in an elliptical orbit, following Kepler's Laws with a retro terminal aesthetic. Mobile-friendly with touch controls.

Local-first Chrome extension that tracks watched YouTube videos and hides, dims, or badges repeat recommendations; optionally filters Shorts, Playables, playlists, and Mixes without accounts or analytics.

Gosh Calc is a calculator for the COSMIC desktop built with libcosmic. It offers standard, scientific, and programmer modes with full keyboard support and a persistent history drawer. The app supports Flatpak installation and runs on non-COSMIC desktops.

GeeksPulse is a free, ad-free developer news aggregator that curates 50 hand-picked RSS feeds across 11 categories into a fast static site with a cyberpunk UI, AI summaries, bookmarks and keyboard shortcuts.

Zales is a personal VPN client for Android with a minimalist interface. It supports VLESS and Outline keys, automatically selects methods to bypass blockages, and restores connection when traffic is frozen. Keys are stored in hardware storage, and telemetry is absent.

Cian is a two-pane terminal file manager with a built-in shell and text editor, supporting macOS and Windows. It features fuzzy navigation, file comparison, SSH integration, and optional AI assistance, inspired by AFXW.

TidyMyMac is an open-source macOS disk cleanup utility for the terminal. It scans, reviews and reclaims space with a dry-run default, protected paths, modular cleaners, profiles, JSON/CSV export and script generation.

A browser-based tool to convert images into ASCII art locally, featuring multiple charsets and a CRT terminal aesthetic without uploading data.

A Go CLI for isolating and managing multiple Google Antigravity accounts via dynamic $HOME sandboxing, with real-time quota tracking and Herdr multi-agent integration.

A compact keyboard-layout picker for Omarchy Quattro that shows the active XKB layout, opens a native menu, and pulses after changes. Supports per-window layouts and configurable animation colors.

Termixion is an alpha-stage terminal emulator for macOS (Apple silicon) built with Rust, Tauri, and React. Features include tabs, split panes, customizable themes, command palette, and remote control. Unsigned builds require Gatekeeper bypass. In-app updates with signature verification.

DevKit Pro 是一款基于浏览器的开发者工具集，提供 DDL/JSON 转 Go Struct 与 Protocol Buffer、DDL 差异对比、Markdown 预览导出及多种实用开发小工具。

A lightweight sound notification plugin for DeepSeek Harness (DSH) that provides real-time audio alerts for Agent work events.

A desktop pet for Windows (macOS beta): a pixel cat or dog that sits in a transparent, click-through overlay, reacts to typing, scrolling, petting and cursor play, and delivers break timers, reminders and optional mail or calendar alerts. All sprites and sounds are generated in code.

A 100% client-side tool that reads a Con Edison "Download my data" Green Button CSV and shows, month by month for your actual usage, whether switching from Standard (SC1) to Residential Time-of-Use would lower your bill. Nothing is uploaded; all computation happens in the browser.

UScreen is an MIT-licensed Linux tool that turns an Android 8.1+ tablet into a real USB extended display and pressure-sensitive graphics tablet via ADB, with S Pen pressure, tilt, eraser and button support, built for KDE Plasma on Wayland.

LANMS is an open-source, self-hostable web application for managing LAN-party events, including tournaments, tickets, and guests. Currently in development, it offers Docker-based deployment and a modern rewrite of its legacy systems.

A static browser home page that lets you type a topic to instantly open it in AI engines like Google AI Mode, Perplexity, ChatGPT, or Claude. Supports custom prompts, browser extensions for new tabs, and optional cloud sync via magic-link sign-in without storing your search queries.

grubForge is a TUI application for Linux that simplifies GRUB bootloader management and customization. It offers a safe, clear, and user-friendly interface for configuring settings, managing boot entries, applying themes, and creating backups, all without needing root privileges for the main application.

CodexUserData 是一款 Windows 桌面悬浮窗工具，用于可视化本地 Codex 的 Token 用量、模型分布及账号额度。支持多种悬浮形态、自定义 HTML 界面及历史趋势分析，帮助用户实时监控 AI 编码助手的使用情况。

LogSquirl is a fast, open-source log explorer for Windows, macOS, and Linux. Search multi-gigabyte files, follow live logs, and chart patterns. Built with Qt6/C++, it's a fork of klogg and glogg.

A modern, fast, and user-friendly character builder for the Mutants & Masterminds 3rd Edition (M&M 3e) RPG system, featuring automatic PP calculation and PL compliance validation.

FaceAttend is a locally hosted classroom attendance system that uses video-based face recognition to identify enrolled students.

Gestune is a touch-free system volume controller that uses hand gestures to adjust audio levels without a keyboard or mouse.

Zara is an experimental local-first AI assistant and Linux desktop copilot that combines symbolic logic (Prolog) with LLMs for intent handling and reasoning.

TawkType is a local voice typing tool for Windows that converts speech to text directly into the active application. It uses NVIDIA Parakeet or OpenAI Whisper engines locally, ensuring privacy with no telemetry or accounts. Features include multiple text modes, smart cursor fitting, history management, and optional AI cleanup.

A collection of lightweight, zero-dependency, and tree-shakable TypeScript utility functions for general-purpose JavaScript and TypeScript projects.

An open-source workspace of focused web utilities and PWAs, ranging from media tools and AI experiments to developer utilities.

A Windows batch image resizer and converter that processes whole folders in one pass, with dimension presets, aspect-ratio locking, JPEG/PNG/WEBP/BMP output, quality control and filename templating.

An advanced, system-level personal security and anti-coercion suite for Android. Running as a systemless priv-app with LSPosed hooks, it provides duress PINs, hardware tripwires, and remote SMS control.

A Qt-based application launcher for Hyprland on Arch Linux that utilizes semantic search for finding and launching apps.

A fully offline, deterministic MCP server that gives AI agents local tools for exact math, date and timezone handling, unit and base conversion, subnet math, text distance and token counting — no network calls, telemetry or API keys.

A standalone Windows utility for searching and downloading synchronized subtitles using video fingerprinting and metadata matching.

Profer is a local-first AI Agent desktop app built on the Claude Agent SDK and Pi dual runtime, supporting multi-model integration, collaborative sub-agents, scheduled automation, mobile remote access, and team workspaces.

A tool for clipboard synchronization and content transfer (text and images) between various devices.

Aletheia is a cross-platform game save backup and sync tool for backing up and restoring saves across Steam, Heroic Games, Lutris, itch.io, GOG Galaxy and Xbox.

A native desktop app that scans a folder tree and lists every video without a matching subtitle, grouped by folder. Supports exclusion lists, sorting, file manager access, and saving reports. Configurable and cross-platform.

A privacy-first JSON formatter and validator that runs entirely in the browser, offering one-click formatting, invalid-JSON error messages, clipboard paste and copy, in-editor search, file upload, and light and dark themes.

A translation dashboard for MDN Web Docs that tracks content updates across supported languages, helping translators identify pages needing translation or synchronization.

VeloTrack is a free, MIT-licensed Android app for offline GPS cycling maps and ride recording, built with MapLibre and Protomaps — downloadable maps, GPX export, no accounts or analytics.

onerec is a lightweight Windows utility that records and mixes audio from a microphone and an output device into a single MP3 file. It supports various quality presets, native Win32 UI with DPI scaling, and portable execution.

HashVerifier is a cross-platform tool for generating and verifying file checksums, supporting 13 algorithms including SHA-256, MD5, and BLAKE3. It offers both a command-line interface and a GTK3 graphical interface with features like recursive directory processing, symbolic link support, and real-time progress tracking. Available for Linux, Windows, and macOS.

findDupes is a Go command-line tool that finds duplicate files by SHA-256 content hash across one or more directories concurrently, filtering candidates by file size and a 4 KiB prefix hash before fully hashing matches.

AurexTranslator is a cross-platform, real-time screen translator for Windows and Linux (X11/XWayland). It translates text captured by OCR, from the clipboard, or hooked directly out of a game process through injectable engine-specific plugins.

A curated collection of Zapret client modifications (FluxRoute, Zapret-Zen, Zapret-Hub-Continuation, Zapret-Discord-YouTube) with pre-configured bypass rules for gaming, streaming, and other blocked services.

Free open-source Windows app for downloading videos, lessons, and full courses from GetCourse as MP4 files.

Bundle is a privacy-first web toolkit providing PDF, image, developer, and text tools that run entirely in the browser without server uploads.

manygit is a terminal UI for managing multiple git repositories at once. It scans a folder tree, shows each repo's branch and status (ahead/behind/dirty), and lets you fetch, pull, push, checkout branches, view commit graphs, run scripts, and browse GitHub PRs—all from one screen. No config file needed; it discovers repos automatically.

A web printing service based on Python Flask and CUPS, providing an HTTP graphical interface for CUPS print servers. It converts USB printers into network printers, supporting file upload, online preview, print parameter settings, and task management, with a bilingual interface in Chinese and English.

A lightweight stopwatch overlay for Wayland compositors that can be toggled with a keybind, supporting Sway, Hyprland, Niri, and KDE Plasma.

Playdex is a ROM library manager and emulator launcher that scans local files, identifies games via hashing, fetches metadata and artwork, and launches them through RetroArch or standalone emulators.

A command-line window manager for macOS featuring optional automatic tiling and a shell-based command interface.

Bolo is a free, self-hosted macOS push-to-talk dictation app written in Rust: hold a hotkey, speak, and the transcription is pasted at your cursor via Telnyx AI speech-to-text, with optional LLM cleanup and local transcript history.