head to head · open source
ECC vs synthadoc
ECC has 295,522 GitHub stars, 43,761 forks, 209 open issues and last shipped yesterday. synthadoc has 1,760 stars, 172 forks, 4 open issues and last shipped yesterday. ECC leads on adoption by 16,691% (295,522 vs 1,760 stars). ECC is written in JavaScript under MIT; synthadoc is written in Python under AGPL-3.0. ECC has attracted 15% as many forks as stars, synthadoc 10%. synthadoc 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
| ECC | synthadoc | |
|---|---|---|
| GitHub stars | ★ 296K | ★ 1.8K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 44K | ⑂ 172 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ECC if
- You weight community size — 296K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- 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 ECC
Language: English العربية Português (Brasil) 简体中文 繁體中文 日本語 한국어 Türkçe Русский Tiếng Việt ไทย Deutsch Español Українська Polski বাংলা [!WARNING] Official sources only. Install ECC only from verified channels: the GitHub repository github.com/affaan m/ECC, the npm packages ecc universal and ecc agentshield , the GitHub App, the plugin slug ecc@ecc , and the project website ecc.tools. Third party re uploads and unofficial mirrors are not maintained or reviewed by the project and may contain malware. Install with Claude Code Use the guided setup or native plugin commands. Both install the same ecc@ecc plugin. Choose…
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 ECC or synthadoc more popular?
ECC has 295,522 GitHub stars and synthadoc has 1,760. ECC has the larger community by that measure.
Are ECC and synthadoc free?
Both are open source. ECC is licensed under MIT and synthadoc under AGPL-3.0. Neither carries a licence fee.
What is the difference between ECC and synthadoc?
ECC is written in JavaScript 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, ECC or synthadoc?
Choose ECC if you want the larger community (295,522 stars) or its MIT licence terms. Choose synthadoc if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.