Penpot : Penpot is the first open-source design tool for design and code collaboration. Designers can create stunning designs, interactive prototypes, design s...
Prepack : Prepack is a tool that optimizes JavaScript source code: Computations that can be done at compile-time instead of run-time get eliminated. Prepack rep...
ASCIIFlow Infinity : Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Taiga.Io : Taiga is a project management platform for startups and agile developers & designers who want a simple, beautiful tool that makes work truly enjoyable...
PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language