Tesseract OCR by tesseract-ocr
Tesseract Open Source OCR Engine (main repository)
About Tesseract OCR
From the project's README at github.com/tesseract-ocr/tesseract. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://scan.coverity.com/projects/tesseract-ocr) [](https://github.com/tesseract-ocr/tesseract/security/code-scanning) [](https://issues.oss-fuzz.com/issues?q=is:open%20title:tesseract-ocr) \ [](https://raw.githubusercontent.com/tesseract-ocr/tesseract/main/LICENSE) [](https://github.com/tesseract-ocr/tesseract/releases/) Table of Contents
Tesseract OCR About Brief history Installing Tesseract Running Tesseract For developers Support License Dependencies Latest Version of README About
This package contains an OCR engine - and a command line program - .
Tesseract 4 adds a new neural net (LSTM) based OCR engine which is focused on line recognition, but also still supports the legacy Tesseract OCR engine of Tesseract 3 which works by recognizing
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 74k | github.com/tesseract-ocr/tesseract |
| GitHub forks | 11k | github.com/tesseract-ocr/tesseract |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 11.7 years | since Aug 2014 |
| Last commit | 10 days ago | Apr 27, 2026 |
| Releases shipped | 35 | last: 4 months ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Security advisories
CVE-2021-36081. What people say on Hacker News
Ready to self-host Tesseract OCR?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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