Head-to-head · Desktop Search Software
Open Semantic Desktop Search vs FoxTrot Search
Open Semantic Desktop Search leads on 1 check, FoxTrot Search on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreOpen Semantic Desktop Search · 7.7/10
- Free planonly Open Semantic Desktop Search
- Free trialonly FoxTrot Search
- Most featuresFoxTrot Search · 4 of 4
Open Semantic Desktop Search scores higher on our rubric for desktop search software: 7.7 against 7.3 out of 10; our editors rank them #12 and #16.
Open Semantic Desktop Search offers free plan; FoxTrot Search doesn't.
Open Semantic Desktop Search is the better fit for free search across mixed document stores. FoxTrot Search is the better fit for mac users searching files, email, and messages.
- Open Semantic Desktop Search fits best
Free search across mixed document stores
- FoxTrot Search fits best
Mac users searching files, email, and messages
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Side by side
| Feature | Open Semantic Desktop Search 7.7/10 Visit ↗ | FoxTrot Search 7.3/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 7.7 | 7.3 |
| Ranking | #12 in Desktop Search Software | #16 in Desktop Search Software |
| Best for | Free search across mixed document stores | Mac users searching files, email, and messages |
| Pricing model | Free | Paid |
| Starting price | Free plan | $35 one-time |
| Free plan | ✓ (best) | — |
| Free trial | — | 60 days |
| Deployment | Desktop, Self-hosted | Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux | macOS, iOS |
| Support | Docs | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Open Semantic Desktop Search 3/4 · FoxTrot Search 4/4 | ||
| Content search | ✓ | ✓ |
| Email search | ✓ | ✓ |
| Message search | Not checked yet | ✓ (best) |
| OCR search | ✓ | ✓ |
| Specs | ||
| Supported platforms | web, windows, macos, linux | macOS, iOS |
| Index locations | local folders, file servers, file shares | Local folders, connected/removable volumes, network drives, NAS, synced index files |
| Indexed-item limit | Not checked yet | Not checked yet |
| Our review | ||
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| Our verdict | 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 → |
FoxTrot Search is a macOS document-search application for individuals, professionals, workgroups, and organizations managing large document collections. It indexes PDFs, office documents, email, web pages, media, messages, contacts, and… Read the review → |
Strengths and trade-offs
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
FoxTrot Search — where it wins
- Searches content, metadata, filenames, authors, tags, and keywords
- Indexes PDFs, office documents, email, messages, media, contacts, and more
- Professional and Server editions support multiple, shared, network, and NAS indexes
Where it doesn't
- No free plan; the entry option is a paid license
- Single-index searching is limited to the Personal Search edition
- The iOS app is a companion for indexes, not the primary desktop application
- Open Semantic Desktop Search7.7/10 · Free plan
A capable free search layer for mixed local, shared, and email archives.
Visit Open SemanticFull verdict → - FoxTrot Search7.3/10 · 60-day trial
A focused Mac search tool for files, email, messages, metadata, and network content.
Visit FoxTrot SearchFull verdict →
All desktop search software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update