Cardie.net

Cardie is a free, modern, open-source web app for focused studying and flashcard learning. Key Features:

• Rich Content Support: Create cards with full Markdown formatting and embedded images. Build decks from scratch, or import and export them whenever you want to stay in control of your data.
• Multiple Study Modes: Spaced repetition, traditional learning, card matching, exam mode, card overview.
• Organized Workspace: Keep study materials organized with nested folders and custom colors for different subjects, topics, or projects.
• Deep Visual Customization: Make the interface your own with adjustable color schemes and fonts.
• Sharing & Community: Share decks using custom vanity links, or publish them to the community hub for others to explore.
• Progress Analytics: Follow your study habits and retention over time with statistics, visual graphs, and activity insights.