tools-only Apps Similar to Supervertaler
A curated list of translation tools and AI-powered assistants that offer similar functionality to Supervertaler.
🤖 AI-Powered Translation Tools
TransAIde (Plugin for Trados Studio)
- Website: posteditacat.xyz/transaide-plugin-for-trados-studio
- Type: Trados Studio plugin
- Description: Context-aware AI translation plugin that exports entire documents from Trados Studio, allowing translation with any AI model (Claude, Gemini, ChatGPT, etc.) or NMT system while preserving full context.
- Key Features:
- Export/import full documents with context (text or JSON format)
- Works with any AI model via chat, API, or agent systems
- Termbase integration (exports required/forbidden terms)
- Dedicated window showing AI translations segment-by-segment
- Supports grammar checking (LanguageTool, Grammarly)
- Compatible with Trados Studio 2021, 2022, 2024
- Pricing: Free up to 500 words, subscription for unlimited (39 EUR/year freelancer, 69 EUR/year agency)
- Open Source: ❌
OpenAI Provider for Trados Studio
- Website: appstore.rws.com/plugin/249
- Type: Trados Studio plugin (Translation Provider)
- Description: Official free plugin from RWS that integrates OpenAI's language models as a translation provider within Trados Studio.
- Key Features:
- Direct OpenAI API integration
- Works as a standard translation provider in Trados
- Segment-by-segment translation workflow
- Requires OpenAI API key
- Pricing: Free (pay-per-use OpenAI API costs)
- Open Source: ❌
- Note: RWS also offers "AI Professional" plugin with more features (Azure OpenAI support, custom prompts, AI companion, terminology-aware suggestions)
CotranslatorAI
- Website: cotranslatorai.com
- Type: Desktop application (Windows)
- Description: AI-powered translation assistant for professional translators that works inside and alongside CAT tools. Emphasises translator agency in AI-assisted workflows, with structured methodologies like GAIT (Generative AI Iterative Translation) and GAIM (Generative AI Iterative Machine Translation Post-Editing).
- Key Features:
- Works invisibly inside and outside your CAT tool
- Structured AI translation workflows (GAIT, GAIM, GECR)
- CAT tool integration
- Open Source: ❌
GT4T
- Website: gt4t.ai
- Type: Desktop application (Windows, Mac)
- Description: Lightweight translation assistant that works system-wide inside any application. Select text and press a global hotkey (Ctrl+J / Cmd+J) to get MT and LLM suggestions in a small popup; press a number to insert. Supports 29+ MT engines plus LLMs including ChatGPT. Also does batch file translation (DOCX, XLIFF, SDLXLIFF, subtitles, etc.) locally without uploading to servers. Popular with translators since ~2009. Supervertaler QuickTrans is inspired by this workflow.
- Key Features:
- Global hotkey popup (Ctrl+J) — works inside any app including CAT tools
- 29+ MT engines: Google, DeepL, Microsoft, Yandex, Baidu, Papago, and more
- LLM support: ChatGPT (and local AI models)
- Batch file translation with drag-and-drop (no file size limit)
- Local-first processing — files stay on your machine
- Dictionary lookup
- Pay-per-use credit model (chars prepaid, no expiry); free tier available
- Pricing: Freemium — free tier + prepaid character credits (pay-as-you-go)
- Open Source: ❌
Bureau Works
- Website: bureauworks.com
- Type: Cloud-based Translation Management System (TMS) with integrated CAT editor
- Description: Enterprise-grade TMS with a native AI-enhanced in-browser CAT editor. Targets translation agencies and localization teams rather than individual freelancers. Handles end-to-end project management: quoting, task assignment, QA, invoicing, and payment — all in one platform.
- Key Features:
- In-browser CAT editor with TM, terminology, and AI suggestions
- Supports 54+ file types, 200+ languages
- AI-powered workflow automation (project creation, QA, task assignment)
- Connectors to GitHub, Figma, CMSs, and more
- Built-in financials (quoting, invoicing, payments)
- Pricing: Custom (per-project / enterprise pricing)
- Open Source: ❌
Wordscope
- Website: pro.wordscope.com
- Type: Web-based CAT tool
- Description: Web-based CAT tool combining neural MT, private and public translation memories, and terminology databases in one interface. One of the first CAT tools to add AI/ChatGPT-powered features (February 2023). Strong focus on European languages.
- Key Features:
- Neural MT integration
- Private + public translation memories
- Terminology management
- AI/ChatGPT-powered suggestions
- Comparative revision tool and QA checks
- Supports DOCX, XLSX, PPTX, TMX, HTML, XLIFF, SRT, and more
- Supports Dutch, English, French, German, Italian, Portuguese, Spanish
- Pricing: From $40/user/month; free trial available
- Open Source: ❌
TWAS Suite / TWAS Assistant
- Website: twas.info
- Type: Desktop application
- Description: Translation Workflow Automation Suite - a comprehensive set of tools for translators working with various CAT tools and file formats.
- Key Features:
- Workflow automation
- File format conversion
- Batch processing
- Open Source: ❌
🔧 Open Source / Scripting Tools
LLM-AutoHotkey-Assistant
- Website: github.com/kdalanon/LLM-AutoHotkey-Assistant
- Type: Open-source AutoHotkey v2 script (Windows)
- Description: AutoHotkey v2 script that uses OpenRouter.ai to bring any LLM into your daily workflow via a global hotkey. Select text anywhere, press the hotkey (backtick by default), pick a prompt from the menu, and get the result — including translation. Supports multiple AI models simultaneously. Highly customisable via prompt arrays. Conceptually similar to Supervertaler QuickMenu.
- Key Features:
- Global hotkey (backtick) works system-wide in any app
- Any LLM via OpenRouter.ai (ChatGPT, Claude, Gemini, and more)
- Fully customisable prompts including translation prompts
- Interact with multiple AI models simultaneously
- Free and open source
- Pricing: Free (OpenRouter API costs only)
- Open Source: ✅ MIT License
📊 How They Compare
| Feature | Supervertaler | GT4T | TransAIde | OpenAI Provider | CotranslatorAI | Wordscope | Bureau Works | TWAS Suite |
|---|---|---|---|---|---|---|---|---|
| Multi-LLM Support | ✅ GPT, Claude, Gemini, Ollama | ➖ MT engines + ChatGPT | ✅ Any AI model | ❌ (OpenAI only) | ❌ | ✅ ChatGPT | ✅ AI-augmented | ❓ |
| Global hotkey popup | ✅ QuickTrans (Ctrl+Alt+M) | ✅ Ctrl+J / Cmd+J | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Standalone App | ✅ Desktop | ✅ Desktop | ❌ (Trados plugin) | ❌ (Trados plugin) | ✅ Desktop | ✅ Web | ✅ Web | ✅ Desktop |
| Local/Offline Mode | ✅ Ollama | ✅ local-first | ✅ (via local model) | ❌ | ❌ | ❌ | ❌ | ✅ |
| Trados Integration | ✅ SDLPPX/SDLRPX | ✅ SDLXLIFF batch | ✅ Native plugin | ✅ Native plugin | ✅ | ❌ | ❓ | ✅ |
| memoQ Integration | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❓ | ✅ |
| CafeTran Integration | ✅ | ❌ | ❌ | ❌ | ❓ | ❌ | ❌ | ✅ |
| Full Context Translation | ✅ | ❌ | ✅ (entire documents) | ❌ (segment-by-seg) | ❓ | ❌ | ❌ | ❓ |
| Translation Memory | ✅ SQLite + TMX | ❌ | ➖ (uses Trados TM) | ➖ (uses Trados TM) | ✅ | ✅ | ✅ | ✅ |
| Terminology Management | ✅ | ❌ | ➖ (exports from Trados) | ➖ (uses Trados TB) | ✅ | ✅ | ✅ | ✅ |
| Voice Dictation | ✅ Whisper | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Open Source | ✅ MIT License | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Free | ✅ | Freemium (pay-per-char) | Freemium (500 words) | ✅ (API costs) | ❓ | From $40/mo | Custom/Enterprise | Paid |
💡 Why Choose Supervertaler?
Supervertaler stands out by being:
- Completely Free & Open Source - No subscription, no hidden costs
- Privacy-Focused - Run locally with Ollama, your data stays on your machine
- Multi-LLM Flexible - Use any AI provider, switch between them freely
- Translator-Built - Created by a working translator who understands real workflows
- CAT Tool Agnostic - Works alongside memoQ, Trados, CafeTran, and others
- Standalone Application - No need to buy or use specific CAT tools
Know of another similar app that should be listed here? Open an issue or discussion on GitHub!