Vocablue
Next.jsExpress Js
Tuesday, January 13, 2026 — Friday, June 19, 2026

Period: Jan 2025 – Present (SaaS Product Currently in Active Development)
Role: Founder & Fullstack Developer
Live Demo: https://vocablue-id.com
Overview
Vocablue is an SaaS platform, engineered to help users master 5,000 daily English vocabulary words through a structured daily curriculum, interactive speech practice. Designed as a self-sustaining SaaS product, it incorporates automated daily learning tracks, speech evaluation, and scalable subscription/payment workflows.
Key Features
- 5,000 Daily Word Checklist: Step-by-step daily curriculum featuring 10 new words and 10 practice sentences per day.
- Speaking & Conversation Practice: Interactive pronunciation practice modules with 2 daily thematic conversation topics.
- SaaS Architecture & Local Persistence: Production-ready authentication, subscription/payment integration readiness, responsive dark mode, and LocalStorage state persistence.
Tech Stack
- Frontend: React 19, TypeScript, Vite 6, Tailwind CSS
- AI Integration: Google Gemini API
- State & Storage: React Hooks, LocalStorage API
- SaaS Stack: Resend, Google Auth, Midtrans Payment Integration