Containers
Docker
420 sitesOpen source
Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.
Used byConta Azul,Ghost
Proxmox VE
5 sitesSaaSOpen source$ · Subscription
Proxmox VE is an open-source virtualisation and containerisation platform that provides a web-based management interface to manage virtual machines, containers, storage, and networking.
Harbor
4 sitesOpen source
Harbor is an open-source registry that secures artifacts with policies and role-based access control, ensures images are scanned and free from vulnerabilities, and signs images as trusted.
PubNub
SaaSFreemium · $ · Subscription · Quote
PubNub is a platform that operates the Data Stream Network, enabling the connection, delivery, and control of data and logic to support real-time applications at a global scale.
Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive (September 2026). Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.