Writing, calculating, timing a task, sending a colleague a message: office work is made of small pieces. These each handle one of them, and you can pick as needed.
The official Electron desktop build of draw.io. It draws flowcharts, architecture diagrams, UML and network topologies with a large shape library and alignment guides, and files can stay local or sync to your own cloud storage without an account. It suits people who need technical diagrams without an online service.
A free project management app centred on a practical Gantt chart, suited to small and medium businesses in construction, architecture, engineering, pharmaceutical and media production. It runs locally and offline on Windows, macOS and Linux with no subscription, and covers task scheduling, timeline visualisation, resource allocation and cost management, reading and exporting Microsoft Project file formats.