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Erasmus+ project · Co-funded by the European UnionDeveloped by RRINOVA
Re-AI — home
AI tools

Free and open-source AI tools for your work

69 tools we have checked — with European and open-source options for every task. Use them wisely: AI drafts, you decide.

🔒 Protect personal data

Never paste passwords, ID numbers, health or customer data into an AI tool.

✓ Check every answer

AI can sound sure and still be wrong. Verify facts, names and numbers.

🇪🇺 Know the rules

Under the EU AI Act, tell people when they talk to a chatbot or see AI-made content.

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ChatGPT

AI assistants & chat

Chat with an AI to draft emails, explain ideas, research employers and improve your CV.

Free plan + paidUsed in the courseUnited States

🛡 US company. You can turn off use of your chats for training in Settings.

💡 Never paste passwords, ID numbers or other people's personal data into a chat.

Lessons: L1.1, EX 1.1, L2.2, EX 2.2, L3.1, EX 3.1, EX 3.2, EX 3.3Visit ↗
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Google Gemini

AI assistants & chat

Google's AI assistant for questions, writing help and summaries. Works with your Google account.

Free plan + paidUsed in the courseUnited States

🛡 Needs a Google account. Check the privacy policy before uploading personal data.

💡 Check facts it gives you with a second source before you use them.

Lessons: L1.1, EX 1.1Visit ↗
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Microsoft Copilot

AI assistants & chat

Microsoft's free AI chat for questions, writing and quick research, with links to sources.

Free plan + paidUsed in the courseUnited States

🛡 Microsoft account recommended. Check the privacy policy before uploading personal data.

💡 Click the source links to check that the answer is really supported.

Lessons: L1.1, EX 1.1Visit ↗
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Claude

AI assistants & chat

AI assistant for writing, editing long texts, and clear step-by-step explanations.

Free plan + paidUsed in the courseUnited States

🛡 US company. Account needed. Check the privacy policy before uploading personal data.

💡 Give context and an example of the style you want for better answers.

Lessons: EX 2.2, EX 3.1, EX 3.2, EX 3.3Visit ↗
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Mistral Le Chat

AI assistants & chat

European AI chat assistant from France for writing, questions and summaries.

Free plan + paid🇪🇺 EU · France

🛡 French company; data hosted in the EU. Free chats may train models unless you opt out.

💡 A good EU option for everyday chat; opt out of training in the settings.

Lessons: L1.1, EX 1.1, EX 2.2, EX 3.1Visit ↗
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HuggingChat

AI assistants & chat

Free chat with many open AI models in one place; it can pick a model for you.

Free plan + paidOpen source · Apache-2.0 (chat-ui code)United States

🛡 Hugging Face account needed. Check the privacy policy before uploading personal data.

💡 Try the same prompt with two models and compare the answers.

Lessons: EX 1.1, EX 3.1Visit ↗
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Ollama

Run AI on your own computer

Download and run open AI models on your own computer, even without the internet.

FreeOpen source · MITUnited States

🛡 Runs on your device, so your chats can stay on your computer.

💡 Start with a small model; big models need a lot of memory.

Lessons: EX 3.1Visit ↗
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GPT4All

Run AI on your own computer

Easy desktop app to chat with AI models offline and ask questions about your own files.

FreeOpen source · MITUnited States

🛡 Runs locally; no account needed to chat offline.

💡 Use it for private documents you do not want to upload to the cloud.

Lessons: EX 2.2, EX 3.1Visit ↗
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Jan

Run AI on your own computer

Free desktop app that works like ChatGPT but runs AI models on your own computer.

FreeOpen source · Apache-2.0Singapore

🛡 Runs locally; can also connect to online AI services if you choose.

💡 Check which model is active: local models keep data on your device.

Lessons: EX 2.2, EX 3.1Visit ↗
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Open WebUI

Run AI on your own computer

Self-hosted chat page for local or online AI models, for teams or a home server.

FreeUnited States

🛡 Self-hosted, so you control where data is stored.

💡 Best set up with help from someone with IT skills.

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AnythingLLM

Run AI on your own computer

Desktop app to chat with your own documents using local or online AI models.

FreeOpen source · MITUnited States

🛡 Desktop version can run fully on your computer.

💡 Good for testing a private FAQ bot before you put anything online.

Lessons: L4.1Visit ↗
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Notion & Notion AI

Notes, tasks & productivity

Notes, task lists and databases in one place, with AI to summarise and plan your work.

Free plan + paidUsed in the courseUnited States

🛡 US company. Free plan has only a small AI trial. Check the privacy policy before uploading personal data.

💡 AI suggests priorities; you decide. Always check the dates and owners.

Lessons: L2.1, EX 2.1, EX 3.3, L4.3, EX 4.3Visit ↗
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Joplin

Notes, tasks & productivity

Note-taking and to-do app that syncs across devices, with end-to-end encryption.

Free plan + paidOpen source · AGPL-3.0🇪🇺 EU · France

🛡 Notes stored on your device; sync with your own cloud or Joplin Cloud.

💡 Turn on encryption before you sync notes to the cloud.

Lessons: L2.1, EX 2.1Visit ↗
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AppFlowy

Notes, tasks & productivity

Open-source Notion alternative for docs, task boards and simple databases, with AI features.

Free plan + paidOpen source · AGPL-3.0Singapore

🛡 Works offline; can be self-hosted.

💡 Rebuild your EX 2.1 task board here to compare it with Notion.

Lessons: L2.1, EX 2.1, L4.3Visit ↗
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AFFiNE

Notes, tasks & productivity

Workspace that mixes documents, whiteboards and databases; works local-first.

Free plan + paidOpen source · MIT (community edition)Singapore

🛡 Local-first: data can stay on your device; self-hosting possible.

💡 Use the whiteboard to sketch your business canvas in EX 4.3.

Lessons: L2.1, L4.3Visit ↗
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Obsidian

Notes, tasks & productivity

Free note app that saves plain text files on your own device. Not open source.

FreeCanada

🛡 No account needed; notes are stored locally on your device.

💡 Link your notes together to build a personal knowledge base.

Lessons: L2.1Visit ↗
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Grammarly

Writing & translation

Checks spelling, grammar and tone as you write emails, CVs and messages.

Free plan + paidUsed in the courseUnited States

🛡 US company. Check the privacy policy before uploading personal data.

💡 Accept changes one by one so your message still sounds like you.

Lessons: L2.4Visit ↗
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DeepL

Writing & translation

High-quality translation of text and documents between many languages.

Free plan + paidUsed in the course🇪🇺 EU · Germany

🛡 German company. Free version: avoid uploading confidential texts.

💡 Ask a fluent speaker to check important translations before you send them.

Lessons: L2.4Visit ↗
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LanguageTool

Writing & translation

Grammar, spelling and style checker for over 20 languages, with browser add-ons.

Free plan + paidOpen source · LGPL-2.1 (core)🇪🇺 EU · Germany

🛡 German company; the core checker can be self-hosted.

💡 Set the right language variant, e.g. British English, in the settings.

Lessons: L2.4Visit ↗
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LibreTranslate

Writing & translation

Open-source translation tool you can use online or run on your own server.

Free plan + paidOpen source · AGPL-3.0United States

🛡 Can be self-hosted and run offline, so texts stay on your server.

💡 Quality is lower than DeepL; use it for private or simple texts.

Lessons: L2.4Visit ↗
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Otter.ai

Meetings & voice

Records meetings, writes a live transcript and makes a summary with action points.

Free plan + paidUsed in the courseUnited States

🛡 US company. Ask everyone's permission before you record a meeting.

💡 Read the summary against the transcript; names and numbers are often wrong.

Lessons: L2.3, EX 2.3Visit ↗
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Whisper / whisper.cpp

Meetings & voice

Open speech-to-text AI that turns recordings into text on your own computer.

FreeOpen source · MITBulgaria / United States

🛡 Runs locally, so recordings do not leave your device.

💡 Use a ready-made app built on Whisper if you do not use the command line.

Lessons: L2.3, EX 2.3Visit ↗
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Jitsi Meet

Meetings & voice

Free video calls in the browser with no app to install.

FreeOpen source · Apache-2.0United States

🛡 Host must sign in on meet.jit.si; guests join with a link. Can be self-hosted.

💡 Add a password to private meetings.

Lessons: L1.3, L2.3Visit ↗
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Audacity

Meetings & voice

Record and edit audio, e.g. a practice meeting or a short voice message.

FreeOpen source · GPL-3.0 (parts GPL-2.0-or-later)🇪🇺 EU · Cyprus

🛡 Desktop app; no account needed.

💡 Use it to record the practice conversation for EX 2.3.

Lessons: EX 2.3Visit ↗
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OBS Studio

Meetings & voice

Record your screen and voice to make tutorials, demos or portfolio videos.

FreeOpen source · GPL-2.0Open community

🛡 Desktop app; recordings are saved on your computer.

💡 A short screen video can show your skills better than words in a portfolio.

Lessons: EX 3.3, EX 4.3Visit ↗
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Piper

Meetings & voice

Fast text-to-speech that reads text aloud in natural voices, offline.

FreeOpen source · GPL-3.0Europe · Switzerland

🛡 Runs locally on your device.

💡 Check each voice's licence before using it in a paid project.

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Google Drive, Docs & Sheets

Files, documents & cloud

Store files in the cloud, write documents and spreadsheets, and work on them together.

Free plan + paidUsed in the courseUnited States

🛡 Needs a Google account. Check sharing settings before you share a link.

💡 Share with named people, not 'anyone with the link', for private files.

Lessons: L1.3, EX 1.2, EX 3.2, EX 4.1, EX 4.2, EX 4.3, EX 4.4Visit ↗
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Gmail

Files, documents & cloud

Free email from Google, with search, labels and filters to manage your inbox.

Free plan + paidUsed in the courseUnited States

🛡 Needs a Google account. Turn on 2-step verification.

💡 Use labels and filters so work emails do not get lost.

Lessons: L2.2, EX 2.2Visit ↗
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LibreOffice

Files, documents & cloud

Free office suite for documents, spreadsheets and presentations; opens Word and Excel files.

FreeOpen source · MPL-2.0🇪🇺 EU · Germany

🛡 Desktop app; files stay on your computer. No account needed.

💡 Save as .docx or .pdf when you send a CV to an employer.

Lessons: L1.3, EX 1.2, EX 3.2, EX 4.3Visit ↗
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Nextcloud

Files, documents & cloud

Your own cloud for files, calendars and video calls, often run by a provider or your employer.

FreeOpen source · AGPL-3.0🇪🇺 EU · Germany

🛡 Self-hosted or EU providers: you choose where your files are stored.

💡 Ask your organisation if it already runs Nextcloud you can use.

Lessons: L1.3, EX 1.2Visit ↗
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CryptPad

Files, documents & cloud

Encrypted online documents, sheets and forms you can edit together, like Google Docs.

Free plan + paidOpen source · AGPL-3.0🇪🇺 EU · France

🛡 End-to-end encrypted. Main instance hosted in France; no email needed to sign up.

💡 Save your password safely: it cannot be recovered if you lose it.

Lessons: L1.3, EX 1.2Visit ↗
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Google Password Manager

Security & passwords

Saves and creates strong passwords in Chrome and Android, and warns about leaked ones.

FreeUsed in the courseUnited States

🛡 Needs a Google account. Protect it with 2-step verification.

💡 Run the Password Checkup and change any reused or leaked passwords.

Lessons: L1.4, EX 1.3Visit ↗
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Have I Been Pwned

Security & passwords

Check if your email address was exposed in a known data breach.

FreeUsed in the courseAustralia

🛡 No account needed to search; you only enter your email address.

💡 If you appear in a breach, change that password and every place you reused it.

Lessons: L1.4, EX 1.3Visit ↗
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Bitwarden

Security & passwords

Store and generate strong, unique passwords on all your devices.

Free plan + paidOpen source · GPL-3.0 / AGPL-3.0 (parts Bitwarden License)United States

🛡 EU data region available (bitwarden.eu); can be self-hosted.

💡 Turn on two-step login for your vault.

Lessons: L1.4, EX 1.3Visit ↗
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KeePassXC

Security & passwords

Offline password manager that keeps your passwords in an encrypted file you control.

FreeOpen source · GPL-2.0 / GPL-3.0Open community

🛡 No account or cloud: the file stays on your device.

💡 Back up your password file; nobody can restore it for you.

Lessons: L1.4, EX 1.3Visit ↗
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Proton Pass

Security & passwords

Password manager with email aliases to hide your real address when you sign up.

Free plan + paidOpen source · GPL-3.0 (apps)Europe · Switzerland

🛡 Swiss company; end-to-end encrypted.

💡 Use a different alias for each website to spot who shares your data.

Lessons: L1.4, EX 1.3Visit ↗
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Firefox Relay

Security & passwords

Creates email masks that forward to your inbox, so you can hide your real address.

Free plan + paidOpen source · MPL-2.0United States

🛡 Mozilla account needed.

💡 Use a mask for newsletters and free trials to cut spam and phishing.

Lessons: L1.4Visit ↗
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Julius AI

Data & dashboards

Upload a spreadsheet and ask questions in plain words to get answers and charts.

Free plan + paidUsed in the courseUnited States

🛡 US company. Remove names and personal data from files before you upload.

💡 Ask it to show the steps it used, then check one result by hand.

Lessons: L4.2, EX 4.2Visit ↗
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Looker Studio

Data & dashboards

Build free dashboards and charts from Google Sheets and other data.

FreeUsed in the courseUnited States

🛡 Needs a Google account. Check who can view a dashboard before sharing.

💡 Keep each dashboard to a few clear charts that answer one question.

Lessons: L4.2Visit ↗
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Metabase

Data & dashboards

Open-source tool to explore data and build dashboards by asking simple questions.

FreeOpen source · AGPL-3.0 (enterprise parts commercial)United States

🛡 Can be self-hosted, so data stays on your own server.

💡 Start with a small, clean dataset to learn how questions work.

Lessons: L4.2Visit ↗
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Apache Superset

Data & dashboards

Powerful open-source platform for data dashboards, used by many organisations.

FreeOpen source · Apache-2.0United States

🛡 Self-hosted; you control where data is stored.

💡 Better for teams with IT support; try Looker Studio or Metabase first.

Lessons: L4.2Visit ↗
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Chatbase

Chatbots & automation

Build a customer-service chatbot without code by uploading your FAQs and documents.

Free plan + paidUsed in the courseUnited States

🛡 US company. Do not upload customer personal data. Free agents can be deleted if unused.

💡 Tell users clearly that they are talking to an AI (EU AI Act, Article 50).

Lessons: L4.1, EX 4.1, EX 4.4Visit ↗
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Typebot

Chatbots & automation

Build chat-style forms and simple chatbots with drag-and-drop blocks.

Free plan + paid🇪🇺 EU · France

🛡 Can be self-hosted. Check the privacy policy before uploading personal data.

💡 Plan the conversation on paper first, then build the blocks.

Lessons: L4.1, EX 4.1Visit ↗
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n8n

Chatbots & automation

Connect apps and AI to automate tasks, e.g. save form answers to a sheet.

Free trial, then paid🇪🇺 EU · Germany

🛡 Free to self-host for your own use; cloud version is paid after a trial.

💡 Start with one small automation and test it well before you rely on it.

Lessons: L4.1, L4.3Visit ↗
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Gamma

Presentations & design

Turns your notes or an outline into a ready-made slide deck with AI.

Free plan + paidUsed in the courseUnited States

🛡 US company. Check the privacy policy before uploading personal data.

💡 Check every number and claim on the slides; AI can invent facts.

Lessons: L4.3, EX 4.3Visit ↗
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Penpot

Presentations & design

Free online design tool for graphics, mock-ups and simple web layouts.

Free plan + paidOpen source · MPL-2.0🇪🇺 EU · Spain

🛡 Can be self-hosted; made by a company in Spain.

💡 Use a template to design a clean portfolio page or social post.

Lessons: EX 3.3, EX 4.3Visit ↗
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GIMP

Presentations & design

Free image editor for photos, profile pictures and simple graphics.

FreeOpen source · GPL-3.0Open community

🛡 Desktop app; no account needed.

💡 Crop your profile photo to a square with your face in the centre.

Lessons: L3.4, EX 3.3Visit ↗
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Inkscape

Presentations & design

Free vector drawing app for logos, icons, flyers and diagrams.

FreeOpen source · GPL-2.0-or-laterOpen community

🛡 Desktop app; no account needed.

💡 Export your logo as SVG and PNG so it works everywhere.

Lessons: EX 4.3Visit ↗
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Carrd

Career & job search

Make a simple one-page website for your portfolio or small business.

Free plan + paidUsed in the courseUnited States

🛡 US company. Free sites use a carrd.co address.

💡 Only show work you have the right to share, and remove client names.

Lessons: L3.4, EX 3.3Visit ↗
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LinkedIn

Career & job search

Professional network to show your profile, find jobs and connect with employers.

Free plan + paidUsed in the courseUnited States

🛡 Public profile: choose carefully what personal details you show.

💡 Write your headline and About section yourself; use AI only to polish.

Lessons: L3.4, EX 3.3Visit ↗
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Kokoro TTS

Meetings & voice

Turn text into natural speech on your own computer — we used it for the Re-AI lesson videos.

FreeOpen source · Apache-2.0Open community

🛡 Runs offline on your computer; your text never leaves your device.

💡 Tell your audience when a voice is computer-generated.

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Lumo (Proton)

AI assistants & chat

Private AI chat assistant from Proton. You can use it without an account.

Free plan + paidEurope · Switzerland

🛡 Swiss company. Chats are encrypted and not used to train the AI.

💡 Free chats are only kept for a short time, so save useful answers elsewhere.

Lessons: L1.1, EX 1.1, EX 2.2Visit ↗
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Euria (Infomaniak)

AI assistants & chat

Free AI chat assistant for writing, questions and summaries, from a Swiss cloud company.

FreeEurope · Switzerland

🛡 Swiss company; hosted in Switzerland. Your chats are not used to train the AI.

💡 Use the ephemeral mode for anything sensitive; the chat is not stored.

Lessons: L1.1, EX 1.1, EX 2.2Visit ↗
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Ecosia AI Chat

AI assistants & chat

AI chat inside the Ecosia search engine, which uses its profits for climate projects.

Free🇪🇺 EU · Germany

🛡 German company; AI chat runs on European servers.

💡 Check facts in the search results; AI answers can still be wrong.

Lessons: L1.1, EX 1.1Visit ↗
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Qwant

AI assistants & chat

French search engine that does not track you; some searches show a short AI answer.

Free🇪🇺 EU · France

🛡 French company. Says it does not track or profile your searches.

💡 Use it to research employers without being followed by adverts.

Lessons: L1.1, L3.1Visit ↗
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DeepL Write

Writing & translation

Improves your text: fixes grammar, rewrites sentences and changes the tone.

Free plan + paid🇪🇺 EU · Germany

🛡 German company. Do not paste personal or confidential text into the free version.

💡 Choose British English at the top before you start typing.

Lessons: L2.4, EX 2.2Visit ↗
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tl;dv

Meetings & voice

Records online meetings in Zoom or Google Meet, makes a transcript and AI notes.

Free plan + paid🇪🇺 EU · Germany

🛡 German company. Always tell people when a meeting is being recorded.

💡 Ask everyone for permission before you start recording.

Lessons: L2.3, EX 2.3Visit ↗
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Happy Scribe

Meetings & voice

Turns audio and video into text and subtitles in many languages.

Free trial, then paid🇪🇺 EU · Ireland

🛡 Irish company (Dublin). Check consent before you upload other people's voices.

💡 Try a short file first: the free trial is only a few minutes.

Lessons: L2.3, EX 2.3Visit ↗
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Noota

Meetings & voice

AI note-taker that records meetings and writes summaries and reports.

Free plan + paid🇪🇺 EU · France

🛡 French company. Tell people when a meeting is recorded.

💡 Edit the AI summary before you share it with your team.

Lessons: L2.3, EX 2.3Visit ↗
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Whereby

Meetings & voice

Video calls in the browser; guests join with a link and no app.

Free plan + paidEurope · Norway

🛡 Norwegian company (outside the EU, but in the EEA, so GDPR applies).

💡 The free plan has short, small meetings; good for quick check-ins.

Lessons: L1.3, L2.3Visit ↗
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Unmute (Kyutai)

Meetings & voice

Free demo where you talk to an AI by voice and it answers out loud.

FreeOpen source · MIT🇪🇺 EU · France

🛡 Made by a non-profit research lab in Paris. Do not share personal details in the demo.

💡 Practise speaking English for a job interview with the AI.

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Datawrapper

Data & dashboards

Make clear charts, maps and tables from your data, no coding needed.

Free plan + paid🇪🇺 EU · Germany

🛡 German company (Berlin).

💡 Paste data from a spreadsheet and pick the chart type it suggests.

Lessons: L4.2, EX 4.2Visit ↗
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Pitch

Presentations & design

Make presentations together online, with templates and AI help.

Free plan + paid🇪🇺 EU · Germany

🛡 German company (Berlin).

💡 Start from a template and keep one main idea on each slide.

Lessons: L4.3, EX 4.3Visit ↗
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Photoroom

Presentations & design

Remove or change the background of a photo with AI, e.g. for a profile picture.

Free plan + paid🇪🇺 EU · France

🛡 French company (Paris). Only upload photos you have the right to use.

💡 Free exports have a watermark; check before using an image for work.

Lessons: L3.4, EX 3.3Visit ↗
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FLUX Playground

Presentations & design

Create and edit images from a text description, by Black Forest Labs.

Free trial, then paid🇪🇺 EU · Germany

🛡 German company. Do not upload photos of other people without permission.

💡 Say clearly if an image was made with AI.

Lessons: EX 4.3Visit ↗
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Synthesia

Presentations & design

Make short training or explainer videos with an AI presenter and voice.

Free plan + paidEurope · United Kingdom

🛡 UK company (London).

💡 Tell viewers the presenter is an AI avatar, not a real person.

Lessons: EX 4.3Visit ↗
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Nuclino

Notes, tasks & productivity

Simple shared wiki for notes, projects and team knowledge.

Free plan + paid🇪🇺 EU · Germany

🛡 German company (Munich).

💡 On the free plan everyone can edit everything, so invite people with care.

Lessons: L2.1, EX 2.1Visit ↗
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Tuta Mail

Files, documents & cloud

Encrypted email and calendar with a free address and no adverts.

Free plan + paidOpen source · GPL-3.0 (apps)🇪🇺 EU · Germany

🛡 German company; developed and hosted in Germany. No phone number needed.

💡 Save your recovery code safely, or you may lose your account.

Lessons: L1.4, L2.2Visit ↗
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Lovable

Career & job search

Describe a website or app in words and AI builds it, e.g. a portfolio page.

Free plan + paid🇪🇺 EU · Sweden

🛡 Swedish company (Stockholm).

💡 Free credits are small; plan your page before you start building.

Lessons: L3.4, EX 3.3Visit ↗

Tool details were checked when this list was made. Plans and policies change — check the provider's website before signing up. Listing a tool is not an endorsement.