DocFetcher vs Sonic
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
DocFetcher
Cross-platform desktop search for document contents
VS
Sonic
Fast, lightweight schema-less search backend
| Feature | DocFetcher | Sonic |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | EPL-1.0 | MPL-2.0 |
| Language | Java | Rust |
| Setup difficulty | Easy | Medium |
| Min. RAM | 256 MB | 32 MB |
| Deployment | binary, bare-metal | docker, binary |
| GitHub stars | ★ 63 | ★ 21,299 |
| First released | 2007 | 2019 |
| Replaces | Google Desktop | Algolia, Elasticsearch |
Why pick each one
Frequently asked questions
Is DocFetcher or Sonic better?
Neither is universally better. Sonic has the larger community, while DocFetcher is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are DocFetcher and Sonic free and open-source?
Yes. DocFetcher is licensed under EPL-1.0 and Sonic under MPL-2.0. Both can be self-hosted at no software cost.
Can I run DocFetcher and Sonic with Docker?
DocFetcher: check the project docs for container support. Sonic: yes.