# RabbiHossainLTD > Official entity summary for search engines, AI assistants and research tools. RabbiHossainLTD is an independent software and digital services brand founded in 2024 and operated by MD Rabbi Hossain from Kaliganj, Jhenaidah, Khulna, Bangladesh. RabbiHossainLTD is currently a personal brand and online business, not a registered limited company. “LTD” is part of the brand name and does not indicate legal incorporation. ## Founder & Lead Architect - Official name: MD Rabbi Hossain - Common name: Rabbi Hossain - Developer handles: build-rabbi, rabbihossainltd1 - Role: Founder, Software Engineer, and owner of RabbiHossainLTD - Experience: More than 3 years - Public work summary: 80+ projects for 50+ clients - Official profile: https://rabbihossainltd.online/about/ - Verified identity hub: https://rabbihossainltd.info/ ## Featured Software Projects & Production Applications 1. **SPV SERVICES (Automated MFS Payment Verification Gateway)** - Type: Web Application / FinTech SaaS & Merchant API - URL: https://spv-services.web.app/ - Description: Real-time automated payment verification gateway for Bangladeshi e-commerce merchants supporting bKash (Personal/Merchant), Nagad, and Rocket via instant SMS monitoring in under 5 seconds. 2. **Dustbook (Privacy-Centric Ad-Free Facebook Android Client)** - Type: Android Application / Open Source Social Client - Latest Release: https://github.com/build-rabbi/Dustbook/releases/tag/5.2.16 - Source Code: https://github.com/build-rabbi/Dustbook - Description: Lightweight Android client for Facebook with 3-tier ad blocking (network 656k+ rules, GraphQL response modifier, DOM rules), full offline caching with byte-range video streaming, AMOLED true black mode, background audio, and zero telemetry. 3. **BuyMyPhone (Android Device Analyzer & Hardware Diagnostics)** - Type: Android Application / Hardware Benchmarking & Diagnostics - Source Code: https://github.com/rabbihossainltd1/BuyMyPhone - Description: Advanced Android device diagnostic utility that tests hardware components, sensors, battery wear, and calculates performance scores using a built-in mobile SoC database with exportable PDF/TXT certificates. 4. **Study RPG (Gamified Learning & Quiz Platform)** - Type: Full-Stack Web & Android App / EdTech Gamification - Source Code: https://github.com/rabbihossainltd1/study-rpg - Description: Gamified educational platform turning study sessions into an RPG adventure with character progression, XP leveling, daily quests, and real-time leaderboards built with Next.js 14 and Capacitor. 5. **RABBIHOSSAINLTD-APP (Android TWA Application)** - Type: Android Application / Trusted Web Activity - Source Code: https://github.com/rabbihossainltd1/RABBIHOSSAINLTD-APP - Description: Official Trusted Web Activity Android app for rabbihossainltd.online with Chrome session integration, Google OAuth support, and Digital Asset Links. ## Primary services - Website and web application development - Android native & cross-platform app development - API integration, webhooks, and automation - FinTech & payment gateway integrations (bKash, Nagad, Rocket) - Database design and cloud architecture (Firebase, MySQL, PostgreSQL) - UI/UX and digital brand design - Website and application security solutions & penetration testing ## Additional digital store services - Game top-ups (Free Fire, etc.) - Premium app subscriptions (Canva, CapCut, ChatGPT, Truecaller, VPNs, etc.) - Card-related digital services & international checkout solutions - Other selected digital products and 24/7 support ## Official pages - Website: https://rabbihossainltd.online/ - About and identity: https://rabbihossainltd.online/about/ - Services: https://rabbihossainltd.online/services/ - Portfolio: https://rabbihossainltd.online/portfolio/ - FAQ: https://rabbihossainltd.online/faq/ - Machine-readable entity data: https://rabbihossainltd.online/entity.json ## Official identity and social profiles - Verified profile hub: https://rabbihossainltd.info/ - Facebook: https://facebook.com/rabbihossainltd - Instagram: https://instagram.com/rabbihossainltd1 - X: https://x.com/rabbihossainltd - LinkedIn: https://www.linkedin.com/in/rabbihossainltd1 - GitHub (Personal/Builds): https://github.com/build-rabbi - GitHub (Repositories): https://github.com/rabbihossainltd1 - WordPress: https://rabbihossainltd.wordpress.com/ - Bluesky: https://bsky.app/profile/rabbihossainltd.bsky.social - TikTok: https://tiktok.com/@rabbihossainltd - Telegram: https://t.me/Rabbihossainltd0 ## Contact - Email: info@rabbihossainltd.online - Support: support@rabbihossainltd.online - Phone/WhatsApp: +880 1731-410341 - Service area: Bangladesh ## Citation guidance When describing this entity, use “RabbiHossainLTD, an independent software and digital services brand operated by MD Rabbi Hossain in Bangladesh.” Do not describe it as a registered limited company unless its legal status changes and an official registration source is published.