At Vidyasagar Robotics Academy we design and build practical software for classrooms, computer labs, academies and businesses. Every program below was developed in-house and is used in real classrooms and offices. Most of them run fully offline on ordinary Windows PCs and keep all data on your own computers.

We develop any type of software for any OS, Mac, Linux, Raspian, BOSS, Windows… and mobile apps for Android & iOS platforms.
Just tell us the fantasy of your software/app and we will make it real for you…!

Need something similar for your school, college, academy or business? We develop custom software and mobile apps to suit your needs.

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Download “Relax – Your data is safe!”

Relax is a fast, clean, and 100% offline local backup utility for students, teachers, researchers, and professionals, developed at Vidyasagar Robotics Academy. Engineered with dual-disk Software RAID 1 Mirroring, 1-to-1 Strict Mirror with automatic purge, and fast incremental synchronization, Relax safeguards your projects, codebases, digital archives, accounting data, etc. with zero cloud reliance and absolute privacy.
Portable, lightweight, and completely free download, plug in your USB drive, and relax: your data is safe!

Edita – The Universal Text & Code Editor for Developers

A simple text/code editor for students, teachers and developers, in the style of Sublime Text.

Colourful syntax highlighting for C/C++/Arduino, Python, Java, HTML, CSS, JavaScript, PHP, JSON, Markdown, Rust, VB.NET and Assembly (8085/8086)
Recognises the language automatically as you type; auto-indent and auto-closing brackets and quotes
Tabs, side-by-side editing for comparing code, and recent files that reopen where you left off
Dark and Light themes, word suggestions, a colour picker for #hex/rgb() colours and a command palette
Free and open source (Apache License 2.0)

For Students, teachers and programmers
Platform: Windows desktop

AshtaLakshmi Billing Software (Free Trial) – Offline Billing

Professional A4 invoices and business documents as PDFs, without internet.

Invoices, quotations, purchase orders, delivery memos, payment receipts and payment vouchers
Several business profiles, parties and bank accounts; discounts and default terms and conditions
Payment tracking with balance due, part payments and expenditure on the home screen
“Convert to…” between document types, month/year filters and one-click backup

Click any screenshot to enlarge it, then use the arrows to move forward or backward.

For Shops, traders and small businesses
Platform: Windows desktop

Try it for free! If you like it, we can design and develop for your all types of needs in business! Contact us with your details.

Download for Free

Learn More!

ExamSphere - Offline Exam Manager

Conduct computer-based exams in your lab over the local network, with no internet needed.

Two programs: ExamSphere Faculty for teachers and ExamSphere Student for the lab PCs
Question papers of any type with marks per question; ready papers at Easy, Difficult and Hard levels
Result sheets and complete solved papers for every student, ready to print or save as PDF
Several faculty PCs at the same time; each student result released individually, with corrections if needed
Permanent student records with automatic backups and easy restore

For Schools, colleges and training institutes with computer labs
Platform: Windows (Faculty also on Mac), local network

Observer - Classroom Monitor and Control

See and guide every student PC in the lab from the teacher's desk.

Live thumbnails of every student PC; open any one in large, sharp live video
Take control of a student PC, with copy and paste between teacher and student PCs
Send files to students and collect files from them
Lock and unlock screens, send messages, and restart or shut down PCs remotely
Groups of students and stars for good work
Works only inside the lab network: nothing goes to the internet

For Computer labs of schools, colleges and training institutes
Platform: Windows, local network

VRA Academy Manager - Student Records, Fees and Progress

Everything an academy needs to run its courses, without a server or internet.

Student enrollment, fee receipts and daily collection with approval
Topic-wise progress reports for every student, with batch timings
Final exam, results and numbered A4 training certificates
Users with roles and automatic backups
Records shared automatically between all the academy's PCs and Macs

For Academies, coaching classes and training institutes
Platform: Windows and Mac

ImprentaCMS - Website System for Education Institutes

A small, safe content management system for school and academy websites.

Pages, posts, media library, menus and a visual editor with SEO fields
Academy theme, widgets, users with roles and a mobile-friendly admin
Plugins for SEO, events with booking and payment QR code, image lightbox and more
Backups, import from WordPress and a migration pack to WordPress
Runs on ordinary cPanel hosting

For Schools, colleges and academies that need their own website
Platform: Web (PHP and MySQL hosting)

VSA Robotics Academy Mobile App

A mobile portal for students and faculty of a robotics academy.

Robotics coursework for students and faculty
Attendance and fee management
Real-time communication between students and faculty
AI-assisted features [confirm]

For Students and faculty of academies and institutes
Platform: Android mobile app [confirm: in development?]

VRA Intelligent Image Optimizer

Turns large mobile-phone photos into small, sharp WebP images for fast-loading websites.

Converts JPG, PNG, HEIC (iPhone), BMP, GIF, TIFF and AVIF to WebP, JPG or PNG
Intelligent compression that protects text, logos and sharp graphics
Target file size, smart resizing and correct rotation of phone photos
Removes hidden GPS and camera details; converts whole folders at once
Fully offline: original photos are never changed and nothing is uploaded

For Web designers and website owners
Platform: Windows desktop

VRA PDF Viewer

A simple, fast PDF viewer for reading and printing notes and course material.

Opens PDF files quickly with a clean, simple screen
Made for students of Vidyasagar Academy
Free software (GNU GPL)

For Students and teachers
Platform: Windows desktop

VRA Image Viewer

A simple image viewer to browse and view photos and pictures quickly.

Fast, uncluttered viewing of photos and pictures
Lightweight Windows program
Free software (GNU GPL)

For Everyone
Platform: Windows desktop

Saraswati - Personal Work Diary

Your quiet secretary: a private diary of the files you save and the programs you use.

Runs quietly from a visible tray icon near the clock
Protected by a PIN of up to 4 digits
Keeps a diary of the files you save and the programs and windows you use
Everything stays on your own computer; it never records keystrokes, screenshots or the clipboard

For Professionals who want to keep track of their own work
Platform: Windows (laptop/PC)

We also develop

Custom desktop software for Windows and Mac
Mobile apps for Android
Websites for schools, colleges, academies and organisations
Software for computer labs, exams and classroom management
Research and project support: AI/ML, MATLAB/Simulink, Arduino and IoT

Interested in similar software or a mobile app? We will develop it for you. Contact softinquiry@vsa.edu.in

Developed by: Prof. Dattaraj S. Vidyasagar & Prof. Yash D. Vidyasagar, for Vidyasagar Robotics Academy.

Website: https://vsa.edu.in/
Email: softinquiry@vsa.edu.in