Buoyant Inc is a company that specializes in service mesh solutions for cloud-native applications. Founded by former Twitter infrastructure engineers, Buoyant is best known for developing Linkerd, an open-source service mesh designed to improve observability, security, and reliability in the deployment and operation of cloud-based microservices. Linkerd provides critical features such as service discovery, load balancing, failure handling, and diagnostics, allowing developers to manage service communications effectively. Buoyant aims to simplify complex infrastructures and improve the scalability and performance of their clients' applications.