T-LAB
T-LAB: A free Windows text-analysis tool with broad corpus methods and dictionary-based sentiment. Ranked #27 of 37 in Text Analytics Software by our editors (6.6/10); pricing: Free plan; best for researchers doing free desktop corpus analysis.
At a glance
- Editor score6.6 / 10
- PricingFree plan
- Best forResearchers doing free desktop corpus analysis
- Free planYes
- Paid fromFree
- Sentiment analysisYes
- Founded2001
- Facts checked23 Sep 2026
Where it wins
- Imports common document and tabular formats, including PDF, DOCX, CSV, and JSON
- Supports topic modeling, clustering, co-occurrence, and comparative analysis
- Exports interactive tables and charts; freeware has no time limit
Where it doesn't
- Runs on Windows only
- Sentiment analysis depends on a suitable user-provided dictionary
- No integrations are listed
Our verdict on T-LAB
T-LAB is a Windows desktop application for researchers and professional analysts working with text collections. Its freeware license makes it relevant to people who want corpus analysis without a time-limited trial or paid tier. It accepts document and tabular formats such as TXT, DOCX, PDF, CSV, XLSX, JSON, and XML, then supports segmentation into sentences, chunks, paragraphs, or short texts. Automatic lemmatization and stemming are available for documented languages, while texts in many languages can be analyzed.
The range of methods is a central strength. T-LAB offers co-occurrence, word association, sequence and network analysis, thematic analysis using bisecting k-means and topic modeling, document clustering, dictionary-based classification, and comparisons across corpus subsets. Interactive tables and charts can be exported. Sentiment analysis is dictionary-based, so researchers need to supply an appropriate dictionary; it is not an automatic, ready-made sentiment feature. This makes the product a better fit for analysts prepared to work with corpus methods and dictionaries than for teams seeking turnkey sentiment or entity extraction.
T-LAB is freeware, not open source, and the full software is available without a time limit. Its desktop-only, Windows-only availability narrows platform fit, and no integrations are listed. Support channels include community resources and documentation. The product is described as suitable for solo, small, and mid-market users, with GDPR listed as a compliance attribute. Researchers seeking a free desktop environment for varied text-analysis methods may find the scope appropriate; those who require a cloud service, integrations, or cross-platform access should look elsewhere.
Your product? Our editors can test T-LAB in depth and publish a review, labelled as paid · from $149/mo →
T-LAB pricing
T-LAB fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Sentiment analysis | Yes |
| Entity extraction | No |
| Intent detection | No |
| Topic analysis | Yes |
| Analysis sources | Not verified |
| Supported languages | Not verified |
| Deployment options | Cloud |
| Deployment | Desktop |
| Platforms | Windows |
| Compliance & security | GDPR |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Pricing | Free plan |
| Website | tlab.it |
| Facts checked | 23 Sep 2026 |
Alternatives to T-LAB
- Brandwatch Consumer IntelligenceA broad conversation-analysis suite for organizations that need social and public-web insight.9.4
- spaCyA free developer toolkit for building and deploying custom NLP pipelines.9.2
- MAXQDAA broad desktop toolkit for research teams combining qualitative, text and statistical analysis.9.0
Used T-LAB? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used T-LAB for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
T-LAB is listed in our Text Analytics Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/t-lab/"><img src="https://www.itechguides.com/best/badge/t-lab.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update