Niluji: Offline CBT for Elementary Schools
A computer-based testing app that runs without internet. Teachers manage questions in a desktop app, and students sit exams from any browser on the local network.
Digital Exams That Don't Wait for a Signal
Many primary schools want to move to computer-based tests, but their internet connection can't be trusted. One network drop in the middle of an exam means dozens of students starting over.
Niluji removes that dependency. The teacher runs a single desktop app, and students open the exam page on their own phones or laptops over the same WiFi or hotspot. No internet, and nothing for students to install.
How It Works
The Tauri app on the teacher's computer runs an embedded HTTP server (axum). That server serves both the admin dashboard and the student exam page over a local IP address. Questions, student records, and results live in a local SQLite database, so exams run with no cloud service at all.
Key Features
- Question bank: organise questions by grade, subject, and paper type (midterm, final, practice), for both multiple choice and essays.
- Optional online import: pull
.xlsxquestion templates from a public GitHub repository, review them, and import them into the local bank. Once imported, everything runs offline. - Exam scheduling: set exams per class and subject, with an access window and a per-student time limit.
- Separate multiple-choice and essay sessions: students finish the multiple-choice part first, then the essays, which the teacher grades by hand.
- Results and analytics: live progress for each student, inline essay grading, and charts for question difficulty and student ranking.
- QR code sign-in for students, handy when every device is different.
Technology
The interface is built with Nuxt 4, Nuxt UI 4, and Tailwind CSS 4. The backend runs on Tauri 2 with Rust, rusqlite, and axum.