Head-to-head · Desktop Search Software
Recoll vs Open Semantic Desktop Search
Recoll leads on 0 checks, Open Semantic Desktop Search on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreRecoll · 7.8/10
- Free planboth
Recoll scores higher on our rubric for desktop search software: 7.8 against 7.7 out of 10; our editors rank them #11 and #12.
Recoll is the better fit for free, cross-platform full-text desktop search. Open Semantic Desktop Search is the better fit for free search across mixed document stores.
- Recoll fits best
Free, cross-platform full-text desktop search
- Open Semantic Desktop Search fits best
Free search across mixed document stores
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Side by side
| Feature | Recoll 7.8/10 Visit ↗ | Open Semantic Desktop Search 7.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.8 | 7.7 |
| Ranking | #11 in Desktop Search Software | #12 in Desktop Search Software |
| Best for | Free, cross-platform full-text desktop search | Free search across mixed document stores |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop, Browser extension | Desktop, Self-hosted |
| Platforms | Web, Windows, macOS, Linux | Web, Windows, macOS, Linux |
| Support | Email, Tickets, Docs | Docs |
| Built for | Solo, Small business, Mid-market | Solo, Small business, Mid-market, Enterprise |
| Features Recoll 3/4 · Open Semantic Desktop Search 3/4 | ||
| Content search | ✓ | ✓ |
| Email search | ✓ | ✓ |
| Message search | Not checked yet | Not checked yet |
| OCR search | ✓ | ✓ |
| Specs | ||
| Supported platforms | web, Windows, macOS, Linux | web, windows, macos, linux |
| Index locations | local filesystem, removable volumes, shared or otherwise computer-accessible storage | local folders, file servers, file shares |
| Indexed-item limit | Not checked yet | Not checked yet |
| Our review | ||
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| Our verdict | Recoll is an open-source desktop search application for people who need to find information inside files, email and archives rather than search filenames alone. It runs on Linux, Windows and macOS, with a WebUI plus graphical, command-line… Read the review → |
Open Semantic Desktop Search is a free, open-source search engine for individual desktop users, researchers, and organizations managing heterogeneous document collections. It indexes content from local folders, file servers, and file… Read the review → |
Strengths and trade-offs
Recoll — where it wins
- Searches file names, contents, email, attachments and archives
- Supports Windows, macOS, Linux, WebUI and multiple interfaces
- Indexes removable volumes with optional OCR for PDFs and images
Where it doesn't
- OCR requires supported external software and configuration
- The Windows binary download requests a contribution
- The breadth of options may require more setup than simpler search tools
Open Semantic Desktop Search — where it wins
- Full-text, faceted, OCR, and exploratory search
- Indexes documents, media files, and Outlook PST mailboxes
- Previews, tagging, annotation, and filesystem monitoring
Where it doesn't
- Distributed as a VirtualBox virtual machine
- Setup may require configuring folders and indexed sources
- Verified integration breadth is limited
- Recoll7.8/10 · Free plan
A broad, free and open-source search tool for local files, email and archives.
Visit RecollFull verdict → - Open Semantic Desktop Search7.7/10 · Free plan
A capable free search layer for mixed local, shared, and email archives.
Visit Open SemanticFull verdict →
All desktop search software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update