# Tesseract OCR - **Canonical URI:** https://www.vioscale.ai/software/tesseract-ocr - **Category:** Computer Vision Apis - **Homepage:** https://tesseract-ocr.github.io/ - **Also known as:** tesseract-ocr - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:20:45.410Z ## Vioscale score **44.8 / 100**, confidence 21% (low). Computed 2026-09-01. Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | capabilities | 0 | 0.07844444444444446 | 0 | - | | repo_stars | 92.1 | 0.026 | 2.4 | ✓ | | integrations | 0 | 0.07033333333333334 | 0 | - | | dependent_projects | 0 | 0.063 | 0 | ✓ | | dev_activity | 54.8 | 0.094 | 5.2 | ✓ | | release_cadence | 44.4 | 0.052 | 2.3 | ✓ | | security_posture | 0 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 61 | 0.042 | 2.6 | ✓ | | community_qa_activity | 0 | 0.063 | 0 | - | ## Pricing _As of 2026-08-20, [verify at source](https://tesseract-ocr.github.io/). Independently observed._ Open source · Free tier ## About A free, open-source optical character recognition tool that converts scanned images and documents into editable text. Tesseract uses adaptive character classification and neural network-based line recognition to support multiple languages and scripts. _Independently observed._ ## Platform & deployment - **Deployment:** Self-hosted ## Release history | Version | Date | Type | |---|---|---| | [5.5.3](https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.3) | 2026-07-24 | stable | | [5.5.2](https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.2) | 2025-12-26 | stable | | [5.5.1](https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.1) | 2025-05-25 | stable | | [5.5.0](https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.0) | 2024-11-10 | stable | | [5.4.1](https://github.com/tesseract-ocr/tesseract/releases/tag/5.4.1) | 2024-06-11 | stable | | [5.4.0](https://github.com/tesseract-ocr/tesseract/releases/tag/5.4.0) | 2024-06-06 | stable | | [5.4.0-rc2](https://github.com/tesseract-ocr/tesseract/releases/tag/5.4.0-rc2) | 2024-05-19 | prerelease | | [5.4.0-rc1](https://github.com/tesseract-ocr/tesseract/releases/tag/5.4.0-rc1) | 2024-05-12 | prerelease | | [5.3.4](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.4) | 2024-01-18 | stable | | [5.3.3](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.3) | 2023-10-05 | stable | | [5.3.2](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.2) | 2023-07-11 | stable | | [5.3.1](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.1) | 2023-04-01 | stable | | [5.3.0](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.0) | 2022-12-22 | stable | | [5.3.0-rc1](https://github.com/tesseract-ocr/tesseract/releases/tag/5.3.0-rc1) | 2022-12-13 | prerelease | | [5.2.0](https://github.com/tesseract-ocr/tesseract/releases/tag/5.2.0) | 2022-07-06 | stable | _… and 5 earlier release(s)._ ## Security & compliance Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=alpine&package_name=tesseract-ocr-data-isl&per_page=100)). A count reflects scale and disclosure, not quality. ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 54 | [link](https://github.com/tesseract-ocr/tesseract/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 76,197 | [link](https://github.com/tesseract-ocr/tesseract) | 2026-08-26 | 90% (high) | | adoption.dependent_repos | 0 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Ftesseract-ocr%2Ftesseract) | 2026-08-26 | 85% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | C++ | [link](https://github.com/tesseract-ocr/tesseract) | 2026-08-26 | 90% (high) | ### license | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | license.spdx | Apache-2.0 | [link](https://github.com/tesseract-ocr/tesseract) | 2026-08-26 | 95% (high) | ### release | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | release.cadence_days | 100 | [link](https://github.com/tesseract-ocr/tesseract/releases) | 2026-08-26 | 70% (medium) | ### market | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://tesseract-ocr.github.io/) | 2026-08-20 | 75% (high) | ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.free_tier | yes | [link](https://tesseract-ocr.github.io/) | 2026-08-20 | 60% (medium) | | pricing.model | open_source | [link](https://tesseract-ocr.github.io/) | 2026-08-20 | 60% (medium) | | pricing.price_level | free | [link](https://tesseract-ocr.github.io/) | 2026-08-20 | 60% (medium) | | pricing.transparent | yes | [link](https://tesseract-ocr.github.io/) | 2026-08-20 | 60% (medium) | ### security | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | security.scorecard | 6.1 | [link](https://api.securityscorecards.dev/projects/github.com/tesseract-ocr/tesseract) | 2026-08-26 | 90% (high) | | security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=alpine&package_name=tesseract-ocr-data-isl&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=alpine&package_name=tesseract-ocr-data-isl&per_page=100) | 2026-08-26 | 90% (high) | --- *Source: Vioscale (https://www.vioscale.ai/software/tesseract-ocr). Independent, evidence-based software intelligence. Cite the canonical URI.*