Review cards using spaced repetition based on the Ebbinghaus forgetting curve. Set custom review schedules and pause plans for specific goals. Highlight text, hide key terms, and create math formulas in cards. Organize with folders, tags, and colors.
by 玉栋 侯★ 4.6101 ratingsProductivityFreeData updated 2026-09-20
Visualize and interact with diagrams to explore hierarchical data. Adjust parameters dynamically. Render diagrams using a tree of objects. Sync with GitHub for open-source code.
Compare documents side by side to identify differences quickly. Highlight changes automatically with an advanced engine. Review contracts, code, or essays without uploading data to the cloud. Perform comparisons entirely offline.