InvGen lets small businesses and freelancers in India make invoices and quotations in minutes, with GST or without. Save products and clients once, then print and review bills anytime. Free for 20 invoices and 20 quotations every month. Web app, nothing to install.
I kept seeing small shops and freelancers make invoices in Excel or Word and fix the GST math by hand. Tally feels too heavy for them, and many billing apps try to do everything. So InvGen does a few things well: invoices, quotations, saved products and clients, and printing.