Siyuan alternatives (2026)
Siyuan is a frameworks tool: An open-source, privacy-first, self-hosted knowledge workspace where humans and AI agents work together 、 、 ， Pricing, as the maker states it: Open source + cloud. Its GitHub repo has 46,982 stars. We found 151 tools in the directory that do overlapping work (building AI agents); 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 Siyuan, then by GitHub stars.
Updated
Quick answer: the top picks on this list, ranked by GitHub stars and listing maturity, are Orkes, DeepSeek Harness and PrivateGPT, 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 |  DeepSeek Harness | Open source | build an agent | Yes | Self-hosted | 263,334 |
| 3 |  PrivateGPT | Open source | build an agent, connect tools via MCP | Yes | Self-hosted | 57,613 |
| 4 |  Toonflow App | Open source + cloud | build an agent, connect tools via MCP | Yes | Self-hosted | 19,762 |
| 5 |  Dagger | Open source + cloud | write code, build an agent | Yes | Offline | 16,530 |
| 6 |  Open Multi-Agent | Open source | build an agent | Yes | Self-hosted | 7,025 |
| 7 |  IntentKit | Open source | build an agent | Yes | Self-hosted | 6,523 |
| 8 |  AMD GAIA | Open source | build an agent | Yes | Offline | 1,598 |
| 9 |  Agentlas | Open source | build an agent | Yes | Offline | 1,587 |
| 10 |  thClaws | Open source | build an agent, models & local runtimes | Yes | Offline | 1,243 |
Looking for the open-source microservice workflow engine? See Orkes Conductor →.
" if x["slug"]=="conductor" else "") + f"- DeepSeek Harness (Open source): DeepSeek's open-source agent harness with a local web UI, built so that every tool, model and scheduled task is a swappable plugin; still a developer preview. Consider it because it also covers agent frameworks and SDKs; it has more GitHub stars (263,334 vs 46,982).
- PrivateGPT (Open source): Open-source API layer that turns local models into private AI applications, with RAG, tools, skills, MCP and text-to-SQL on any OpenAI-compatible server. Consider it because it also covers SQL and databases and RAG and documents; it has more GitHub stars (57,613 vs 46,982).
- 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 storyboards and previs and video.
- Dagger (Open source + cloud): Automation engine to build, test and ship any codebase. Runs locally, in CI, or directly in the cloud Consider it because it also covers codebase context and code search.
- Open Multi-Agent (Open source): Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Consider it because it also covers multi-agent orchestration.
- IntentKit (Open source): Self-hosted cloud cluster for running a team of collaborating AI agents. Consider it because it does the same job with a different approach (open source).
- AMD GAIA (Open source): AMD's open-source toolkit for building AI agents that run locally on Ryzen AI PCs, keeping data on the device. Consider it because it also covers agent frameworks and SDKs.
- Agentlas (Open source): A local-first agent OS that keeps specialist agents in a hub and spins up a temporary orchestrator for each task, with reusable methods and your choice of model and host. Consider it because it also covers multi-agent orchestration.
- thClaws (Open source): An open-source AI agent workspace in native Rust that runs locally as a GUI, CLI, headless service or web app from a single binary, with multiple model providers. Consider it because it also covers browser automation and terminal and CLI agents.
ECC (Open source + cloud): The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond Consider it because it also covers memory and research and reports; it has more GitHub stars (291,617 vs 46,982).
Siyuan vs alternatives at a glance
| Tool | Pricing | Open source / licence | GitHub stars | Good for |
|---|---|---|---|---|
 Siyuan | Open source + cloud | Yes | 46,982 | building AI agents |
| DeepSeek Harness | Open source | MIT | 263,334 | building AI agents, open-source agents |
| PrivateGPT | Open source | Apache License 2.0 | 57,613 | building AI agents, working with documents |
| Toonflow App | Open source + cloud | Yes | 19,762 | building AI agents, connecting tools with MCP |
| Dagger | Open source + cloud | Yes | 16,530 | writing code, automating workflows |
| Open Multi-Agent | Open source | MIT | 7,025 | building AI agents, building multi-agent systems |
| IntentKit | Open source | MIT | 6,523 | building AI agents |
| AMD GAIA | Open source | Yes | 1,598 | building AI agents, running agents locally |
| Agentlas | Open source | Yes | 1,587 | building AI agents, building multi-agent systems |
| thClaws | Open source | Yes | 1,243 | coding in the terminal, browsing the web |
| ECC | Open source + cloud | Yes | 291,617 | writing code, 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.