Assembly Line

Easydict vs Rossum

Easydict and Rossum are both document processing software. Easydict is open source under GPL-3.0, with 15k GitHub stars. Rossum is a commercial product from Rossum.

Which to pick

Pick Easydict when
You read or write in several languages on a Mac and want quick lookups.
Pick Rossum when
An AP or logistics team processes large volumes of varied supplier documents and wants extraction with human review.

Side by side

What it does

A macOS dictionary and translation app that looks up selected text or OCR'd screen text across Apple, DeepL, Google, OpenAI and Chinese translation services.

AI document processing for transactional documents such as invoices, purchase orders and delivery notes, with validation screens and ERP export.

Watch out

Several services need your own API keys, and docs lean Chinese.

Volume-based pricing aimed at midsize and larger operations.

Ready for

Production-ready (both)

Runs as

Desktop app

Cloud service

Built with

Swift, Objective-C and Python

Not published

Source code

Open source, GPL-3.0 (strong copyleft)

Closed source, sold by Rossum

What the license allows

Use inside your business is unrestricted, but anything you distribute that includes it must be released under the same license.

Closed source: you use it under the maker's terms and cannot change or resell the code.

How widely known

15k GitHub stars

No Wikipedia article of its own

How established

Established: started 4 years ago, latest release 2.25.0.

Not known

Other comparisons

More OCR and document parsing engines

Every document processing product and project, ranked

Both sides were judged on 2026-11-03 from makers' descriptions, Wikipedia, READMEs and GitHub data. License, age and popularity lines are worked out directly.