n8n.io : n8n (pronounced nodemation) helps you to interconnect each and every app with an API in the world with each other to share and manipulate its data wit...
Ockam : Ockam is a suite of open source tools, programming libraries, and managed cloud services to orchestrate end-to-end encryption, mutual authentication, ...
Docusaurus : Easy to Maintain Open Source Documentation Websites
ASCIIFlow Infinity : Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Vector : Vector is an open-source utility for collecting, transforming, and routing logs, metrics, and events.
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language