A free and open source math plotter, easy to pick up
Free online database schema design tool for ER diagrams and SQL generation
Stage
Established
Not given
Founded
2011
Not given
Based in
Not given
Not given
Pricing model
Open source
Freemium
Pricing
Not given
Free tier includes the open-source editor with all SQL dialects, import & export, and local diagram storage. drawDB Pro offers paid plans for Solo Pro and Team Pro with cloud storage, real-time collaboration, AI schema assistant, GitHub integration, and priority support.
Key features
Natural function notation like f(x) = 2 + cos(x)
Sequences from recurrence relations
Parametric equations with custom intervals
CSV data import and spreadsheet editing
Animated constants and variable families
Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
Grid customization with π multiples for ticks
Interactive navigation with drag and zoom
Multi-language support in 9 languages
Built-in manual and automatic work saving
Entity-relationship diagram editor
SQL generation for PostgreSQL, MySQL, SQLite, MariaDB, SQL Server, and Oracle
DBML import and export
Real-time collaborative database design
Cloud storage and team workspaces
AI-assisted schema design
Schema reverse engineering from existing SQL
Version history and migration generation
Export to SQL, JSON, PNG, JPEG, SVG, and PDF
Keyboard shortcuts and customizable workspace
What makes it different
Draws mathematical objects exactly as written on paper with natural notation
Handle CSV files of several million cells
Objects can build on each other in expressions
Exports with exact size in real centimeters
Fully free and open source under GNU AGPL license
Free and open source with no account required to start designing
Supports all major SQL dialects in one tool
Self-hostable on your own infrastructure with Docker
Real-time team collaboration with shared cursors and presence
ZeGrapher
drawDB