Diagrams.so
6.6#15 in ai diagram generatorsFrom $0.83 a monthFree planWebAPI
VisitDiagrams.so vs OpenCharts
OpenCharts
8.2#8 in ai presentation makersFrom $9.99 a monthFree planWebAPImacOSWindows
VisitWhat both publish
| Fact | Diagrams.so | OpenCharts |
|---|---|---|
| Compliance | Diagrams.so says it follows SOC 2-aligned security practices but is not currently certified against SOC 2, HIPAA or PCI-DSS. | OpenCharts says it uses GDPR-aligned data handling and is working toward SOC 2 Type II and ISO 27001 certification. |
| Integrations | The product offers a REST API, MCP server, and Python and TypeScript SDKs, and names Claude, Cursor and VS Code as MCP clients. | Listed connectors include Stripe, HubSpot, Slack, Google Sheets, Discord, Airtable, Calendly, Apollo, Typeform, Monday, Gmail, Notion, GitHub, Linear, and others. |
| Security | The maker says data is encrypted in transit with TLS 1.3 and at rest with AES-256, and that it does not train AI models on customer diagrams or prompts. | OpenCharts states that data is protected with TLS 1.2+ in transit, AES-256 at rest, SSO/SAML, RBAC, row-level security, and two-factor authentication. |
Diagrams.so plans
- FreeFree
- Pro$10 a year
- Power$16.67 a year
OpenCharts plans
- Free ForeverFree
- Starter$9.99 a month
- Pro$24.99 a month
- Teams$14.99 a month
Pick Diagrams.so if…
It suits cloud architects, DevOps engineers and technical teams who want to create or revise architecture diagrams from text. Teams that need private diagrams or clean exports will need Pro or Power.
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.