LetDraw
6.5#23 in ai diagram generatorsFrom $5 a monthFree planWebAPISelf-hosted
VisitLetDraw vs OpenCharts
OpenCharts
8.2#8 in ai presentation makersFrom $9.99 a monthFree planWebAPImacOSWindows
VisitWhat both publish
| Fact | LetDraw | OpenCharts |
|---|---|---|
| Compliance | LetDraw says it aligns with GDPR principles but is not formally SOC 2 or ISO 27001 certified. | OpenCharts says it uses GDPR-aligned data handling and is working toward SOC 2 Type II and ISO 27001 certification. |
| Integrations | LetDraw provides a REST API and MCP server, with documentation for connecting clients including Claude and Cursor. | Listed connectors include Stripe, HubSpot, Slack, Google Sheets, Discord, Airtable, Calendly, Apollo, Typeform, Monday, Gmail, Notion, GitHub, Linear, and others. |
LetDraw plans
- FreeFree
- Pro$5 a month
- EnterprisePriced on request
OpenCharts plans
- Free ForeverFree
- Starter$9.99 a month
- Pro$24.99 a month
- Teams$14.99 a month
Pick LetDraw if…
LetDraw may suit developers, DevOps and platform teams, architects, technical writers, educators, or others who need to diagram software systems. Its offline use and local-first storage may also appeal to people who prefer optional cloud syncing.
Pick OpenCharts if…
OpenCharts suits people who want AI-assisted tools for visual planning, presentations, notes, code, and automated agents. Its stated focus on healthcare, insurance, and regulated industries may appeal to teams in those fields.