Diagram Design alternatives (2026)
Diagram Design is a frameworks tool: Editorial diagram design for Claude Code, Codex, GitHub Copilot, Cursor, Factory Droid, and Pi. 44 diagram types. Pricing, as the maker states it: Open source + cloud. Its GitHub repo has 62,392 stars. We found 151 tools in the directory that do overlapping work (building AI agents, images and design); 145 of them are open source and 2 list a free or freemium plan. Below are the 10 closest, ranked by how many tasks and sub-tasks they share with Diagram Design, then by GitHub stars.
Updated
Quick answer: the top picks on this list, ranked by GitHub stars and listing maturity, are Orkes, Toonflow App and Fireworks Tech Graph, out of 12 tools listed below. At a glance: 12 open-source, 12 free or freemium and 12 local or self-hosted across 12 link-checked tools (last verified ).
Verified on : every tool link on this page was checked by our daily link check. No paid placements.
Ranked comparison (top 10)
| # | Tool | Pricing | Best for | Open source | Runs locally | GitHub stars |
|---|---|---|---|---|---|---|
| 1 |  Orkes | Open source + cloud | build an agent, automate workflows | Yes | Self-hosted | 32,391 |
| 2 |  Toonflow App | Open source + cloud | build an agent, connect tools via MCP | Yes | Self-hosted | 19,762 |
| 3 |  Fireworks Tech Graph | Open source | build an agent, automate workflows | Yes | Self-hosted | 11,861 |
| 4 |  OpenHuman | Open source | build an agent | Yes | Self-hosted | 42,368 |
| 5 |  AgentScope | Open source | build multi-agent systems, build an agent | Yes | Self-hosted | 34,395 |
| 6 |  OfficeCLI | Open source + cloud | build an agent, automate workflows | Yes | Self-hosted | 32,714 |
| 7 |  RocketRide | Open source | build an agent, automate workflows | Yes | Self-hosted | 17,755 |
| 8 |  Kami | Open source + cloud | build an agent | Yes | Self-hosted | 12,113 |
| 9 |  BAML | Open source | write code, build an agent | Yes | Self-hosted | 9,451 |
| 10 |  Raven | Open source | write code, build an agent | Yes | Self-hosted | 5,869 |
Looking for the open-source microservice workflow engine? See Orkes Conductor →.
" if x["slug"]=="conductor" else "") + f"- Toonflow App (Open source + cloud): 、 Toonflow： AI ， 、 、 、 。 、AI Agent ， 、 、 、MCP 。Open-source AI short drama and motion comic creation tool with an infinite canvas, AI agents, storyboarding, image and video generation. Self-hosted and. Consider it because it also covers local and self-hosted and storyboards and previs.
- Fireworks Tech Graph (Open source): Generate production-quality SVG+PNG technical diagrams from natural language. 7 styles, UML support, and AI/Agent workflow patterns Consider it because it also covers workflow automation.
- OpenHuman (Open source): Lightweight open-source agent harness designed to run many agents cheaply on small servers. Consider it because it also covers running many agents in parallel and agent frameworks and SDKs.
- AgentScope (Open source): Framework for building and running transparent multi-agent applications with visual debugging. Consider it because it also covers multi-agent orchestration and agent frameworks and SDKs.
- OfficeCLI (Open source + cloud): OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required Consider it because it does the same job with a different approach (open source + cloud).
- RocketRide (Open source): AI pipeline engine with a C++ core and 50+ Python nodes for building, debugging and deploying LLM workflows and agents from VS Code or the CLI. Consider it because it also covers workflow automation and terminal and CLI agents.
- Kami (Open source + cloud): Good content deserves good paper. Layout rules and templates that let AI agents export PDF, PNG and editable PowerPoint Consider it because it also covers RAG and documents and rules, skills and config.
- BAML (Open source): Typed programming language for agents and LLM functions, with runtime types, typed errors and structured outputs designed to reduce agent mistakes. Consider it because it does the same job with a different approach (open source).
- Raven (Open source): Host agent that plans complex jobs as task graphs and coordinates built-in and third-party agents for research, coding, design and on-call work. Consider it because it also covers SRE and incident response and planning and task tracking.
Koog (Open source): JetBrains' Kotlin framework for building predictable, enterprise-ready AI agents on the JVM. Consider it because it also covers agent frameworks and SDKs.
Diagram Design vs alternatives at a glance
| Tool | Pricing | Open source / licence | GitHub stars | Good for |
|---|---|---|---|---|
 Diagram Design | Open source + cloud | Yes | 62,392 | building AI agents, images and design |
| Toonflow App | Open source + cloud | Yes | 19,762 | building AI agents, connecting tools with MCP |
| Fireworks Tech Graph | Open source | Yes | 11,861 | automating workflows, building AI agents |
| OpenHuman | Open source | GNU GPL v3.0 | 42,368 | building AI agents, open-source agents |
| AgentScope | Open source | Apache License 2.0 | 34,395 | building AI agents, building multi-agent systems |
| OfficeCLI | Open source + cloud | Yes | 32,714 | automating workflows, building AI agents |
| RocketRide | Open source | MIT | 17,755 | coding in the terminal, automating workflows |
| Kami | Open source + cloud | Yes | 12,113 | building AI agents, working with documents |
| BAML | Open source | Apache License 2.0 | 9,451 | writing code, building AI agents |
| Raven | Open source | Yes | 5,869 | writing code, building AI agents |
| Koog | Open source | Apache License 2.0 | 4,638 | building AI agents |
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Alternatives are picked from directory data only: same category plus shared tasks and sub-tasks. Pricing is as each maker states it; GitHub stars as recorded on each listing.