--- title: "oh-my-openagent vs siyuan" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/code-yeongyu-oh-my-openagent-vs-siyuan-note-siyuan" tools: ["code-yeongyu-oh-my-openagent", "siyuan-note-siyuan"] --- # oh-my-openagent vs siyuan *GraphCanon updated Jul 12, 2026* ## Verdict Pick oh-my-openagent if decisive facts about oh-my-openagent; pick siyuan if siyuan is a privacy-focused, self-hosted knowledge management tool written in TypeScript and Golang, specialized for personal digital gardens and integrating with various local storage solutions. [oh-my-openagent](https://omo.dev) reports 66k GitHub stars, 5.3k forks, and 876 open issues, last pushed Jul 11, 2026. [siyuan](https://b3log.org/siyuan) has 45k stars, 2.9k forks, and 334 open issues, last pushed Jul 11, 2026. Figures are from public GitHub metadata via [oh-my-openagent's repository](https://github.com/code-yeongyu/oh-my-openagent) and [siyuan's repository](https://github.com/siyuan-note/siyuan). | | [oh-my-openagent](/tools/code-yeongyu-oh-my-openagent.md) | [siyuan](/tools/siyuan-note-siyuan.md) | | --- | --- | --- | | Tagline | A coding agent for complex codebases, supporting multiple AI agents like ChatGPT and Claude. | A privacy-first, self-hosted personal knowledge management software | | Stars | 65,526 | 45,045 | | Forks | 5,344 | 2,882 | | Open issues | 876 | 334 | | Language | TypeScript | TypeScript | | Adopt for | Decisive facts about oh-my-openagent. | Siyuan is a privacy-focused, self-hosted knowledge management tool written in TypeScript and Golang, specialized for personal digital gardens and integrating with various local storage solutions. | | Persona | - | - | | Runtime | - | - | | License | Other | AGPL-3.0 | | Categories | AI Agents, Developer Tools | Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [oh-my-openagent](/tools/code-yeongyu-oh-my-openagent.md) | [siyuan](/tools/siyuan-note-siyuan.md) | | --- | --- | --- | | Open issues (now) | 876 | 334 | | Owner type | User | Organization | | Full report | [trust report](/tools/code-yeongyu-oh-my-openagent/trust.md) | [trust report](/tools/siyuan-note-siyuan/trust.md) | ## Decision facts: oh-my-openagent - **Adopt for:** Decisive facts about oh-my-openagent. ## Decision facts: siyuan - **Adopt for:** Siyuan is a privacy-focused, self-hosted knowledge management tool written in TypeScript and Golang, specialized for personal digital gardens and integrating with various local storage solutions. ## Choose when ### Choose oh-my-openagent if… - License: oh-my-openagent is Other, siyuan is AGPL-3.0. - Tags unique to oh-my-openagent: ai, codex, chatgpt, claude. - Also covers AI Agents. - oh-my-openagent ships an MCP server manifest. - When working with complex codebases and requiring integration with multiple AI systems like Anthropic, ChatGPT, and Claude for better code orchestration and lifecycle hook management. ### Choose siyuan if… - License: siyuan is AGPL-3.0, oh-my-openagent is Other. - Tags unique to siyuan: markdown, self-hosted, pdf, local-first. - siyuan ships Docker support for self-hosted deployment. - Siyuan should be used when you require a fully open-source tool that prioritizes privacy and keeps all data locally. ## When NOT to use oh-my-openagent - When your project is not reliant on AI integration or complex orchestration capabilities. For simpler codebases, its advanced features may be overkill. - If your development environment does not support TypeScript or if you are exclusively working with Codex CLI and prefer a less integrated solution, opting for another tool could be more suitable since ## When NOT to use siyuan - Siyuan may not be suitable if you require cloud synchronization features provided by proprietary software as it focuses on local-first operations. - If your preference is for a more visually customizable interface, Siyuan's design might have limitations compared to its competitors that offer extensive theming and UI customization. ## Common questions ### What is the difference between oh-my-openagent and siyuan? oh-my-openagent: A coding agent for complex codebases, supporting multiple AI agents like ChatGPT and Claude.. siyuan: A privacy-first, self-hosted personal knowledge management software. See the comparison table for live GitHub stats and shared categories. ### When should I choose oh-my-openagent over siyuan? Choose oh-my-openagent over siyuan when License: oh-my-openagent is Other, siyuan is AGPL-3.0; Tags unique to oh-my-openagent: ai, codex, chatgpt, claude; Also covers AI Agents; oh-my-openagent ships an MCP server manifest; When working with complex codebases and requiring integration with multiple AI systems like Anthropic, ChatGPT, and Claude for better code orchestration and lifecycle hook management. ### When should I choose siyuan over oh-my-openagent? Choose siyuan over oh-my-openagent when License: siyuan is AGPL-3.0, oh-my-openagent is Other; Tags unique to siyuan: markdown, self-hosted, pdf, local-first; siyuan ships Docker support for self-hosted deployment; Siyuan should be used when you require a fully open-source tool that prioritizes privacy and keeps all data locally. ### When should I avoid oh-my-openagent? When your project is not reliant on AI integration or complex orchestration capabilities. For simpler codebases, its advanced features may be overkill. If your development environment does not support TypeScript or if you are exclusively working with Codex CLI and prefer a less integrated solution, opting for another tool could be more suitable since ### When should I avoid siyuan? Siyuan may not be suitable if you require cloud synchronization features provided by proprietary software as it focuses on local-first operations. If your preference is for a more visually customizable interface, Siyuan's design might have limitations compared to its competitors that offer extensive theming and UI customization. ### Is oh-my-openagent or siyuan more popular on GitHub? oh-my-openagent has more GitHub stars (65,526 vs 45,045). Stars measure visibility, not whether either tool fits your constraints. ### Are oh-my-openagent and siyuan open source? Yes - both are open-source projects on GitHub (oh-my-openagent: Other, siyuan: AGPL-3.0). ### Where can I find alternatives to oh-my-openagent or siyuan? GraphCanon lists graph-backed alternatives at [oh-my-openagent alternatives](/tools/code-yeongyu-oh-my-openagent/alternatives) and [siyuan alternatives](/tools/siyuan-note-siyuan/alternatives) ([oh-my-openagent markdown twin](/tools/code-yeongyu-oh-my-openagent/alternatives.md), [siyuan markdown twin](/tools/siyuan-note-siyuan/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/code-yeongyu-oh-my-openagent-vs-siyuan-note-siyuan.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, oh-my-openagent or siyuan? oh-my-openagent: Very active. siyuan: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for oh-my-openagent and siyuan? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [oh-my-openagent trust report](/tools/code-yeongyu-oh-my-openagent/trust); [siyuan trust report](/tools/siyuan-note-siyuan/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=code-yeongyu-oh-my-openagent`](/api/graphcanon/graph?tool=code-yeongyu-oh-my-openagent) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_