Description: Hypernotes is a free, open-source note taking and knowledge management software. It allows users to create wiki-style interconnected notes and build a personal knowledge base.
Type: software
Pricing: Free
Description: PlantUML is an open-source tool for creating UML diagrams from plain text. It supports all standard UML diagrams like use case diagrams, class diagrams, sequence diagrams, etc. PlantUML allows users to write simple textual descriptions which are then transformed into UML diagrams.
Type: software
Pricing: Free