Apertium

Spec sheet

What it does

Apertium describes itself as a free/open-source platform for developing rule-based machine translation systems.Read 12 Oct 2026 · wiki.apertium.org

Free plan

YesRead 21 Sep 2026 · apertium.com

Analysis and generation

The web app also provides linguistic analysis and generation interfaces.Read 12 Oct 2026 · github.com

API access

YesRead 21 Sep 2026 · apertium.com

API capabilities

Apertium APy exposes text, document, and webpage translation, as well as morphological analysis and generation.Read 12 Oct 2026 · github.com

API deployment

Apertium APy can be installed with pip or apt, or run from a Docker image.Read 12 Oct 2026 · github.com

Desktop platforms

Apertium Simpleton provides a graphical interface for Windows and Mac and can download language packages for offline translation.Read 12 Oct 2026 · wiki.apertium.org

Document formats

The web interface supports document translation in DOCX, XLSX, PPTX, ODT, TXT, RTF, HTML, and LaTeX, with a documented file limit below 32 MB.Read 12 Oct 2026 · wiki.apertium.org

Document translation

YesRead 21 Sep 2026 · apertium.com

Integration

Apertium services are used by applications including Virtaal, Okapi, OmegaT, begiak, and Wikipedia Content Translation.Read 12 Oct 2026 · wiki.apertium.org

Known limitation

Apertium’s official format-handling documentation says its tools cannot handle reordered formatting markers, called superblanks.Read 12 Oct 2026 · wiki.apertium.org

Language resources

Language data is organized into reusable single-language packages and translation pairs.Read 12 Oct 2026 · github.com

Linux support

The project documents command-line use on Linux and provides installation options including Debian, Ubuntu, Fedora, CentOS, and OpenSUSE.Read 12 Oct 2026 · github.com

Security and compliance

The reviewed official pages do not state a security certification or compliance standard.Read 12 Oct 2026 · apertium.com

Translation memory

YesRead 21 Sep 2026 · apertium.com

Translation style

Apertium’s toolchain uses deterministic linguistic rules and does not currently include statistical or neural machine translation methods.Read 12 Oct 2026 · github.com

Web app requirement

Apertium’s web interface relies on an Apertium HTTP API such as Apertium APy or ScaleMT.Read 12 Oct 2026 · github.com

Web translation

The Apertium web app supports text, webpage, and document translation.Read 12 Oct 2026 · github.com

Website translation

YesRead 21 Sep 2026 · apertium.com

Plans and prices

Every Apertium plan and price →

Where Specifiction places it

• Translation Software#13 of 1568.7
• Translation apps#48 of 1588.2