We are Kosh.

Redefining digital communication. Kosh is a next-generation mail service that empowers you to bring your own custom domain and experience email like never before. Secure, fast, and built for the modern web.

Our Ecosystem

Innovative solutions powering developers, families, and businesses across the globe.

Rajdoot

Enterprise-grade SMS & OTP verification service designed for developers. Reliable, fast, and easy to integrate.

Swasthya

Comprehensive health tracking app for you and your loved ones. Monitor medications, vitals, and stay connected.

Meet the Creator

Kosh, Rajdoot, and Swasthya are built by Parminder Singh. Interested in collaboration or have questions? Let's connect.

Visit parminder.pro