head to head · open source
Langflow vs synthadoc
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. synthadoc has 1,760 stars, 172 forks, 4 open issues and last shipped yesterday. Langflow leads on adoption by 8,779% (156,266 vs 1,760 stars). Langflow is written in Python under MIT; synthadoc is written in Python under AGPL-3.0. Langflow has attracted 7% as many forks as stars, synthadoc 10%. Langflow was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Langflow | synthadoc | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 1.8K |
| License | MIT | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 172 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 156K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick synthadoc if
- You want the synthadoc feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and synthadoc fits your workflow better
About Langflow
Langflow is a powerful platform for building and deploying AI powered agents and workflows. It provides developers with both a visual authoring experience and built in API and MCP servers that turn every workflow into a tool that can be integrated into applications built on any framework or stack. Langflow comes with batteries included and supports all major LLMs, vector databases and a growing library of AI tools. ✨ Highlight features Visual builder interface to quickly get started and iterate. Source code access lets you customize any component using Python. Interactive playground to immediately test and…
read the full Langflow overview →
About synthadoc
Synthadoc Document version: v1.5.0 Engineered for solo users and enterprises alike, providing a domain specific knowledge base that scales seamlessly while maintaining accuracy through autonomous self optimization. Built for individuals, small teams, and large organizations who need a knowledge base that stays accurate as documents accumulate. Documentation, FAQ and articles: Synthadoc reads your raw source documents — PDFs, spreadsheets, PPTs, web pages, images, videos, Word files, TXTs, and AI session transcripts (.jsonl) — and uses an LLM to synthesize them into a persistent, structured wiki. Cross references…
read the full synthadoc overview →
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Frequently asked questions
Is Langflow or synthadoc more popular?
Langflow has 156,266 GitHub stars and synthadoc has 1,760. Langflow has the larger community by that measure.
Are Langflow and synthadoc free?
Both are open source. Langflow is licensed under MIT and synthadoc under AGPL-3.0. Neither carries a licence fee.
What is the difference between Langflow and synthadoc?
Langflow is written in Python and synthadoc in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langflow or synthadoc?
Choose Langflow if you want the larger community (156,266 stars) or its MIT licence terms. Choose synthadoc if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.