Terrastruct Alternatives

Online diagramming application

Open Source

Structurizr is a workspace editor that creates software architecture diagrams and documentation based on the C4 model.

RealityMAX is the most powerful free 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

Visit website freemium $40.0 / Monthly (Pro with up to 500 GB of storage space)

Collaborative system design; linked with reality

freemium $30.0 / Monthly

Create beautiful cloud diagrams in minutes

A diagram editor for visualizing structures and processes

Easily diagram anything, together

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

FlowMapp is a UX planning tool for creating visual sitemaps and user flow.

freemium $15.0 / Monthly (5 projects, unlimited sitemaps, user flows, personas, CJM's)

Archium gives your team an interactive architecture model of your system, created automatically from your distributed tracing data.

paid Free Trial $10.0 / Monthly (per user)

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

Free database diagrams designer for analysts & developers 🛠

A tool for generating diagrams and flowcharts from text.

Visualize, simulate, and inspect your state machines