ocrserver by otiai10
A simple OCR API server, seriously easy to be deployed by Docker, on Heroku as well
About ocrserver
From the project's README at github.com/otiai10/ocrserver. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://github.com/otiai10/ocrserver/actions?query=workflow%3A%22Go+CI%22) [](https://codecov.io/gh/otiai10/ocrserver) [](https://goreportcard.com/report/github.com/otiai10/ocrserver)
Try now here https://ocr-example.herokuapp.com/, and deploy your own now.
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 | 767 | github.com/otiai10/ocrserver |
| GitHub forks | 149 | github.com/otiai10/ocrserver |
| Docker Hub pulls | 378k | hub.docker.com / otiai10 |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 10.5 years | since Nov 2015 |
| Last commit | 4.8 years ago | Aug 5, 2021 |
| Funding links | 1 | declared by maintainers |
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 → |
What people say on Hacker News
- Show HN: Linlore – Defending human existence, one question at a time
- Show HN: LazyAgent – All in one observerbility TUI app for coding agents
- Show HN: We built an OCR server that can process 270 dense images/s on a 5090
- TurboOCR: CUDA and TensorRT OCR Server at 270 img/s
- Formalizing the "generative crash" via inverse reinforcement learning
Replaces these paid SaaS
ocrserver is one of the open-source alternatives to:
Ready to self-host ocrserver?
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.
Similar open-source projects
Projects in our directory that replace the same SaaS or share topics with ocrserver.