T Cultured Code GmbH & Co. KG · Productivity suites & task management
Personal task manager for Mac, iPhone, iPad, Apple Watch and Apple Vision Pro from Cultured Code, sold as one-time purchases with free Things Cloud sync
Proprietary Paid Local Nov 2, 2026T Doist Inc. · Productivity suites & task management
Cross-platform task manager from Doist with natural-language scheduling, projects, labels, filters, shared projects and a public REST API
Proprietary Freemium Paid Nov 2, 2026Z Zoom Communications, Inc. · Collaboration & communication
Video meetings and webinar platform, now packaged as Zoom Workplace with team chat, phone, whiteboard, AI Companion and developer APIs and SDKs
Proprietary Freemium Paid Nov 2, 2026