Android apps · AI tools · Web platforms · Python scripts — all open source
Hi! I'm Charles — a versatile programmer specializing in Android, AI, and automation. If any of my projects helped you, consider supporting my work!
| Project | Description | Stars |
|---|---|---|
| Rokid-Maps | a standalone app for rokid ai glasses that is used for displaying map and directions on the glasses · Live | ⭐ 40 |
| VowVault | A beautiful, modern wedding photo gallery and guestbook with SSO authentication, PWA support, and comprehensive admin tools. · Live | ⭐ 28 |
| bee-ai-web | A web interface for the Bee AI that uses your api key | ⭐ 20 |
| LiveTranscribe-Android | Live android transcription app · Live | ⭐ 16 |
| DriveVault | Privacy-first dashcam app for Android. Record drives with GPS overlays, dual-camera support, and full control over your data. · Live | ⭐ 5 |
| AI-Social | A React Native + Expo app that simulates a social media experience powered by a local Ollama model. · Live | ⭐ 2 |
| App | Description | Language | Stars |
|---|---|---|---|
| Rokid-Maps | a standalone app for rokid ai glasses that is used for displaying map and directions on the glasses · Demo | Kotlin | ⭐ 40 |
| LiveTranscribe-Android | Live android transcription app · Demo | Kotlin | ⭐ 16 |
| DriveVault | Privacy-first dashcam app for Android. Record drives with GPS overlays, dual-camera support, and full control over your data. · Demo | Kotlin | ⭐ 5 |
| airgf | AirGF - AI Virtual Companion. On-device AI girlfriend with Gemma 4 LLM, 3D avatars, image sharing, and image generation. · Demo | Kotlin | ⭐ 2 |
| android-photobooth | Modern Android photobooth app built with Kotlin and Jetpack Compose. Fullscreen photobooth experience with event-specific templates, countdown timer, local saving, optional cloud upload (Immich), SMS/email sharing, gallery, and wireless printing. · Demo | Kotlin | ⭐ 2 |
| pixeldream | PixelDream — on-device AI image generation Android app · Demo | Kotlin | ⭐ 2 |
| Pocket-Assistant | Local-first Android AI assistant — OCR, on-device LLM, semantic search, tasks & reminders · Demo | Kotlin | ⭐ 2 |
| aria-assistant | Fully on-device AI voice assistant for Android — Gemma 4, Whisper STT, Piper TTS. No cloud. No tracking. · Demo | Kotlin | ⭐ 1 |
| captionburn | Auto-caption and burn subtitles into videos on-device. Whisper transcription, ML Kit translation, full caption styling. · Demo | Kotlin | ⭐ 1 |
| dosely | 💉 Private, on-device GLP-1 injection, pen-stock & weight tracker for Android — with an offline AI coach. Now on Google Play. · Demo | Kotlin | ⭐ 1 |
| ollama-android-client | Chat with Ollama or run LLMs fully on-device (Gemma, Qwen, DeepSeek, Phi) on Android. Private, open-source, no server required. · Demo | Kotlin | ⭐ 1 |
| ai-caller | Privacy-First Autonomous On-Device AI Phone-Calling Android Agent | Kotlin | |
| auracast-weather | AuraCast Weather — AI-narrated, on-device weather app for Android (Kotlin/Compose). Live radar, Gemma 4 weather podcast, no account needed. · Demo | Kotlin | |
| bluetooth-chat | — · Demo | Kotlin | |
| crowdsource-transit | Community-powered crowdsourced public transit locator — Android + Web · Demo | Kotlin | |
| cruise-app | 🚢 Cruise Planner — plan your entire cruise without Wi-Fi. Offline itinerary, real ports, weather & offline Bluetooth party chat for cruisers. 🌐 cruise-app-2026.web.app · Demo | Kotlin | |
| cruise-monitor | Free CruiseSignal-style cruise fare price-drop tracker for Android · Demo | Kotlin | |
| dreamloom | Dreamloom: private on-device AI dream journal for Android · Demo | Kotlin | |
| Flashlight | Modern Android flashlight app with real-device screenshots, signed release CI, and ads-enabled release guard. · Demo | Kotlin | |
| FocusFlow | FocusFlow - Pomodoro Timer and Task Manager for Android. Boost productivity with focus tracking, stats and daily goals. Website: https://chartmann1590.github.io/FocusFlow | Kotlin | |
| GrocyFridgeScanner | AI-powered fridge & cupboard inventory scanner for Grocy — uses on-device Gemma 4 E2B to detect food items and sync inventory changes · Demo | Kotlin | |
| neighborhood-safe-street | Worldwide Local Public Safety & Incident Awareness App with Wear OS Companion | Kotlin | |
| nutrisnap | NutriSnap - On-device AI calorie tracker for Android. Private, offline, and free. · Demo | Kotlin | |
| owefolk | Beautiful Firebase-backed Android shared-expense tracking with honest external payment handoff. · Demo | Kotlin | |
| path | A bible study app for android with (self hosted) AI summaries · Demo | Kotlin | |
| porchlight-press | Porchlight Press: a free, privacy-first personalized local newspaper for Android. AI-assisted briefs with full source attribution. Zero operating cost. | Kotlin | |
| qrcode-scanner-android | Modern Android QR & Barcode Reader · Demo | Kotlin | |
| ScamRadar | ScamRadar: AI Scam & Phishing Detector — Free, on-device AI that tells you in 3 seconds whether that text, email, or voicemail is a scam. · Demo | Kotlin | |
| scripturesearch | — · Demo | Java | |
| StickyNotes | Modern Android sticky notes app with multiple notes and linked home screen widgets. · Demo | Java | |
| TipsyBuddy | Your personal drinking buddy & smart night out wingman. Track your drinks, monitor your estimated BAC, check into bars, and share your live location so friends know you're safe. · Demo | Kotlin | |
| ToolTok-App | Android shell for the live ToolTok platform with automated releases, GitHub Pages, and Android E2E validation. · Demo | Kotlin | |
| verselight-android | — · Demo | Kotlin | |
| warmword | WarmWord — an on-device AI mental health companion (Android, Compose, Gemma) | Kotlin |
| App | Description | Language | Stars |
|---|---|---|---|
| VowVault | A beautiful, modern wedding photo gallery and guestbook with SSO authentication, PWA support, and comprehensive admin tools. · Demo | HTML | ⭐ 28 |
| bee-ai-web | A web interface for the Bee AI that uses your api key | HTML | ⭐ 20 |
| Memory-AI-Project | An innovative solution combining local AI and recorded memories. | HTML | ⭐ 2 |
| skypulse-android | SkyPulse — native Android live aircraft tracker (Kotlin/Compose) using free open ADS-B data (ADSB.lol + OpenSky) and OpenFlights. No API key, no login. · Demo | HTML | ⭐ 1 |
| adhd-focus-companion-site | ADHD Focus Companion — website, privacy policy, terms and support · Demo | HTML | |
| carthing-apps | DeskThing apps for the Spotify CarThing — gas prices, calendar, bus arrivals, traffic, and local news | TypeScript | |
| cognizant | Peer-powered understanding engine - a unique PWA where you learn by teaching AI students | JavaScript | |
| daycare-dons-site | Website, privacy policy and support for Daycare Dons: Diaper Empire, a cartoon 3D caper for Android by Hartmann Studios. · Demo | HTML | |
| ev-charge-tracker-site | EV Charge Tracker — website, privacy policy, terms and support · Demo | HTML | |
| eventcrew-site | EventCrew website, privacy policy and support. Keep your group together at concerts and festivals. · Demo | HTML | |
| family-guardian | Self-hosted family safety platform | JavaScript | |
| Family-Tracker | A self hosted family tracking app similar to life360 | TypeScript | |
| fieldkey-site | Website, privacy policy, terms and data deletion page for Fieldkey: Plant Rock Coin ID (Android). · Demo | HTML | |
| gig-mileage-tracker-site | Gig Mileage Tracker — website, privacy policy, terms and support · Demo | HTML | |
| gizmo-gunners-site | Website for Gizmo Gunners: Toon Bot Shooter, an offline cartoon shooter for Android by Hartmann Studios · Demo | HTML | |
| journal-ai | An online Journaling Platform that Leverages AI | JavaScript | |
| kitchen-heritage | 🍳 Voice-powered family recipe recorder - Preserve your family flavors, one recipe at a time | JavaScript | |
| Local-News-AI | A simple local news and weather ai for home use. | HTML | |
| Meeting-Notes | An AI powered meeting notes web app | JavaScript | |
| Meeting-Notes-App | Meeting Notes App | TypeScript | |
| nightsay-site | Website, privacy policy and terms for Nightsay: Snore & Sleep Talk (Android) · Demo | HTML | |
| octopulse | OctoPulse — Beautiful OctoPrint companion for Android (auto-discovery, 1-click pairing, camera, G-code 2D/3D). Coming soon to Google Play. Contains ads. Website + Privacy Policy on GitHub Pages. · Demo | TypeScript | |
| pantry-tracker-site | Pantry Tracker — website, privacy policy, terms and support · Demo | HTML | |
| party-quips | A Jackbox-style party game platform — play together on TV and phones · Demo | TypeScript | |
| pawdub-site | Website, privacy policy and support for Pawdub, the Android app that gives your pet subtitles. · Demo | HTML | |
| shapeshade-site | Website, privacy policy and terms for Shape & Shade: Face Shape (Android) · Demo | HTML | |
| shipmate-cruise-social | — | JavaScript | |
| sports-dashboard | — | JavaScript | |
| symptom-diary-site | Symptom Diary — website, privacy policy, terms and support · Demo | HTML | |
| trailsage-ai-android | Offline-first Android GPS audio tour guide with on-device AI · Demo | HTML | |
| VirtualPhotobooth | A simple Web Based Virtual Photobooth with email and sms sending features | HTML | |
| warmword-site | WarmWord landing page and privacy policy | HTML | |
| WeTime | A shared calendar service geared towards couples | TypeScript | |
| wild-lens-site | Wild Lens: Jungle Rescue, a photoreal jungle adventure for Android. Website, privacy policy and support. · Demo | HTML | |
| Zenith-Task-A-Minimalist-Todo | A Minimalist Todo with Email Notifications | TypeScript |
| App | Description | Language | Stars |
|---|---|---|---|
| AI-Social | A React Native + Expo app that simulates a social media experience powered by a local Ollama model. · Demo | TypeScript | ⭐ 2 |
| AI-Character-Chat | A Python Flask-based web application that mimics the functionality of Character.AI, enabling engaging, interactive conversations with AI-driven characters. This project leverages local AI models powered by Ollama for generating dynamic and context-aware interactions. | HTML |
| App | Description | Language | Stars |
|---|---|---|---|
| ollama-client-lite | a super lightweight ollama client written in python | Python | ⭐ 1 |
| AI-Call-Bot | Simple python flask ai call bot. Users can call an extension on your voip and interact with your bot via talk to text service and ollama | Python | |
| AI-Call-Bot-V2 | The second version of my AI Call Bot for Voip Systems to Awnser calls and chat with an AI | Python | |
| Best-Friend | This is your new best friend! | Python | |
| chartmann1590.github.io | Root GitHub Pages site for app-ads.txt | Python | |
| Church-Slides-Studio | Self-hosted web app that converts bulletin text or documents into 1920x1080 JPG slides. Upload title/content backgrounds, generate slides, and optionally verify them with a remote Ollama vision model. | Python | |
| discord-summarizer | Flask app that monitors Discord channels and generates AI summaries using Ollama | Python | |
| freshdesk-email-kb-automation | Hosted Freshdesk email KB auto-reply workflow for SoulShine support | Python | |
| mls-home-portal | AI-assisted MLS-style home search portal with Ollama, Scrapling, and saved searches · Demo | Python | |
| Mumble-AI | A Docker Stack for a mumble speak bot that utilizes ollama, piper and faster-whisper aloing with a web based contol panel. | Python | |
| NutriCoach-AI | A simple self hosted ai powered nutrition tracker and coach | Python | |
| showcase | My complete portfolio — Android apps, AI tools, web apps, and more · Demo | Python | |
| Sip-Bridge | A sip bright that accepts calls at a pre configured extension and uses groq for whisper3, local ollama gpt, and openai-egde-tts for tts playback on the sip bridge with a nice user interface | Python | |
| tiktok-live-gift-tracker | Real-time TikTok live stream gift tracking dashboard. Persistent SQLite storage, auto-reconnect, multi-streamer support, stream history, and top gifters leaderboard. · Demo | Python | |
| Wedding-Outreach | A simple script to automate the process of reaching out to your wedding guests for their address using a CSV upload and Facebook Messenger | Python | |
| YT-Bulk-Downloader | Python based Bulk YT Video donwloader | Python |
| App | Description | Language | Stars |
|---|---|---|---|
| Pixel-Fish-Tank | A cozy Android virtual pet game where players care for a cute pixel-art fish by feeding it, cleaning its tank, playing mini-games, and decorating its environment as the fish grows and levels up. · Demo | Kotlin | ⭐ 2 |
| jury-simulator | Decide justice from your phone. Android jury duty simulator with on-device AI, eleven jurors, and the verdict in your hands. · Demo | Kotlin | ⭐ 1 |
| AI-Chess | A simple python based chess game that uses ollama models to play an opponent | Python | |
| arcane-dark | Your AI Dungeon Master lives on your phone — solo offline & private, or with up to 5 friends. Coming soon to Google Play for Android. · Demo | Dart | |
| Business-Simulator | A fun Business Simulator game that uses ai to run a business | HTML | |
| knightfall | Beautiful chess for Android - play a grandmaster-strength AI with an on-device coach, battle friends online, climb the leaderboard · Demo | Kotlin | |
| pocket-kin | Pocket Kin — A cozy storybook virtual-pet game for Android with Wear OS companion, health tracking, and home screen widget · Demo | GDScript | |
| shards-of-eldoria | Shards of Eldoria - A fantasy turn-based RPG built with React Native + Expo | TypeScript | |
| SpaceShooter | A feature-rich space shooter game for Android with boss battles, power-ups, achievements, and multiple game modes. · Demo | Java |
| App | Description | Language | Stars |
|---|---|---|---|
| doorbell-cam | Know who's at your door — instantly, privately, with no monthly fees. Self-hosted smart doorbell with live view, person and face alerts, and a companion phone app. | Python | |
| homelab-the-right-way | Homelab the Right Way — practical Proxmox, OPNsense, Home Assistant and backup guides. Blog + link tree. · Demo | HTML | |
| LifeCaptureOS | A production-minded MVP wearable camera system built with ESP32-CAM, Android, and a self-hostable backend with AI analysis. | C | |
| Photobooth | A simple web based photobooth designed for a raspberry pi 3b with cups and tts | HTML | |
| retro-tv | Raspberry Pi cable-TV simulator for a personal media library · Demo | Python |
| App | Description | Language | Stars |
|---|---|---|---|
| FantasyFootball | A self hosted Fantasy Football (NFL) League Platform |
If you find my projects useful, consider buying me a coffee!
🤖 This README is auto-updated daily via GitHub Actions · Last updated: 2026-10-24