Free AI tools – usable without paying

Adobe Firefly

The only commercially 100% safe AI image generation. Trained exclusively on licensed Adobe Stock images.

Aider

Aider is a popular open-source command-line tool for AI pair programming directly in your local terminal. It seamlessly links LLMs to Git repositories for precise code changes and refactoring.

AIVA

AIVA is an AI-powered music composer that creates tailored orchestral scores and soundtracks for various media projects. The platform allows detailed customization of styles and supports exporting MIDI and audio files.

ALeRCE

Chilean-led community broker for the Vera C. Rubin Observatory and LSST. It processes LSST and Zwicky Transient Facility alert streams in real time and classifies celestial events with machine learning.

AlphaFold

A DeepMind AI system that predicts the 3D structure of proteins from their amino acid sequence with near-experimental accuracy.

Apollo.io

AI sales platform with a database of over 275 million contacts, lead scoring, sequencing and auto-dialer.

Arc Browser

A rethought web browser with a sidebar, Spaces and the optional 'Arc Max' AI pack: link previews, tidied tab titles and ChatGPT answers straight from the command bar.

Artbreeder

Collaborative AI image evolution via latent-space mixing: images are "crossed" and evolved.

Artivive

AR platform for museums and artists that layers digital content (animations, videos, AI-generated content) onto physical works.

Ask Delphi

Research prototype by the Allen Institute for AI that issues moral judgments on everyday situations using a trained language model, making the limits of machine ethics visible.

AstroLens

Autonomous AI system for anomaly discovery in astronomical survey images. Vision transformers and out-of-distribution detection find unusual celestial objects without human pre-selection.

Astrometry.net (Nova)

Free web service that identifies any star photo automatically: pattern recognition matches the star arrangement against catalogues and returns sky coordinates plus the names of every object in the frame.

Autodesk Fusion Generative Design

AI-driven generative design that optimizes hundreds of design variants for strength, weight, and manufacturability.

BASE

Multi-sport AI coach for over 80 sports with a real adaptive AI core rather than a pure tracker.

Bolt.new

Brings a complete development environment into the browser. The AI installs packages and runs web apps directly in a virtual environment.

Bria AI

Commercially/legally cleared generative AI with a full licensing chain for art, culture, advertising and publishing production.

Bundle

German-language news aggregator that bundles reports from Spiegel, tagesschau, SZ, FAZ and hundreds of other outlets and condenses them into a daily AI overview.

Canva Magic Studio

The all-in-one design platform with integrated AI: swap image elements with a brush, generate presentations, and translate text.

Cara Care

Berliner Gesundheits-App für Magen-Darm-Beschwerden: erfasst Ernährung und Symptome und erkennt algorithmisch Zusammenhänge, etwa bei Reizdarm oder FODMAP-Diäten.

Character.AI

Platform for role-play chats with self-built or community-made AI characters — from historical figures and language partners to purely fictional personas.

Charisma.ai

No-code studio for creating interactive, voice-driven AI characters for storytelling and games.

ChatGPT

ChatGPT by OpenAI is the world’s most popular AI system. It serves as a universal digital assistant for text, data analysis, and logical tasks.

Claude AI

Claude AI by Anthropic is an advanced language model praised worldwide for its exceptional language quality and superior logic.

Claude Code

A CLI tool (command line). Works directly in the terminal, understands Git repositories, and completes tasks via command.

Climate TRACE

Global AI emissions database: combines satellites, sensors, and ML to make greenhouse gas emissions of individual facilities visible worldwide.

ClimateBERT

Open-source NLP models specifically fine-tuned on climate reports, sustainability prospectuses, and TCFD disclosures.

Coach Milo

AI fitness coach that creates individual training plans based on goals, available equipment, limitations and ongoing feedback.

Cody AI

Uses your company’s entire code graph (Sourcegraph) to answer questions across gigantic repositories.

Colossyan Creator

Specialized AI video platform for e-learning. Makes creating training materials from PDFs with avatars incredibly easy.

Consensus

Scientific AI search engine that extracts answers directly from more than 200 million peer-reviewed studies.

Consensus

AI search engine for scientific evidence that answers yes/no questions from many studies and visualises the state of research as a "consensus meter".

Continue

Continue is a leading open-source AI code assistant extension for VS Code and JetBrains IDEs. Developers can connect custom LLMs, leverage tab autocomplete, and refactor code directly inside their IDE.

Create.xyz

Simplifies the creation of interactive web elements and website components. Builds code widgets from voice or text input.

CrewAI

Open-source framework for creating entire teams of autonomous AI agents that assign work to one another.

Cursor

The currently most popular AI-native code editor (based on VS Code). Understands the entire codebase and writes code across multiple files.

DebateAI.app

Debate arena where several language models (GPT-5, Claude, Grok, DeepSeek, Gemini and more) argue the same question from opposing sides — including modes where you take them on yourself.

DeepL

World-leading AI translator from Germany. Captures nuances and specialist terminology more precisely than conventional providers.

DeepSeek

DeepSeek is a groundbreaking open-source language model that performs on par with the best US models for complex mathematical tasks and programming.

Delphi.ai

Digital knowledge twins: thinkers, authors and coaches clone their knowledge as an interactive chat based on their own texts, videos and podcasts.

Descript

Edits podcasts and videos like a text document: delete a word in the transcript = delete the word in the audio.

Devin AI

The first fully autonomous software engineer. Devin solves complete GitHub issues, reads documentation, tests, and codes without intervention.

Dify.ai

A professional open-source LLM app platform. Combines a workflow builder, RAG pipelines, and monitoring.

eevi

Dutch language-learning service covering 74 target languages that works purely through spoken conversation: speak, get corrected, receive a learning report.

Elai.io

Automatically converts PDF, PPTX, or a URL into an avatar video with lip-synced narration in 80+ languages — with an EU hosting option.

ElevenLabs

The most advanced speech AI on the market. Generates extremely human-like speech output, clones voices, and translates audio (dubbing).

Elicit

AI research assistant that searches more than 125 million papers, extracts key findings and turns them into structured evidence tables.

ELSA Speak

Pronunciation coach with its own speech recognition: ELSA listens at the level of individual sounds, shows which vowel or consonant is off and drills exactly those spots.

Endel

Generative soundscapes instead of fixed playlists: Endel synthesises audio in real time and adapts it to time of day, weather, movement and — with a paired watch — heart rate.

ESMFold

Meta's protein oracle: a large biological language model that predicts protein structures far faster than classical methods.

ExoMiner

NASA open-source tool for AI-assisted validation of exoplanet candidates. Deep learning checks Kepler and TESS light curves to decide whether a dimming event is really a planet.

Feedly

The world's best-known RSS reader, with a German interface. Its „Leo“ AI filters out noise, prioritises topics and summarises articles automatically.

Fireflies.ai

AI note-taking assistant for video meetings. Records, transcribes, and automatically filters out tasks and key decisions.

FitAI

AI training planner with over 3,000 exercises, HD video guides and an integrated tracker, plus a very large user base.

Flowise AI

Visual low-code user interface for easily creating LangChain chatbots and RAG pipelines via drag and drop.

FLUX.1

Powerful open-source image generation model from Germany. Offers flawless photorealism and error-free text rendering within images.

Fobizz

German platform with AI chat, prompt lab and customisable AI assistants specifically for teachers – GDPR-compliant for school use.

Foodvisor

AI nutrition analysis: recognizes meals in photos and computes calories, macro and micronutrients from scientific nutritional databases.

Foyl

Dialectic reasoning tool that breaks a thesis down across five phases, forces you to defend it against objections and rebuilds it into a resilient synthesis.

Freiya

European AI platform that searches over 200 million papers and provides a block editor for publication-ready manuscripts with automatic citation.

fynk

100% European document and contract lifecycle management platform with AI contract review, templates, and eIDAS signatures.

Galaxy Zoo

Citizen-science project for classifying galaxy shapes. Millions of volunteers classify real research images; the Zoobot model combines human answers with Bayesian CNNs.

Gamma App

Creates beautiful, interactive presentations or websites from a simple text document in under a minute.

Genspark

AI search engine that automatically creates custom landing pages (Sparkpages) with neutral summaries for queries.

GitHub Copilot

The AI pioneer. Plugs into all common IDEs (VS Code, JetBrains) and completes lines of code live as you type.

Google Arts & Culture

AI-powered culture platform with millions of works from 3,000+ museums, including Art Transfer, Poem Portraits and Art Selfie.

Google Gemini

Gemini is Google’s native AI ecosystem. Designed from the ground up to be multimodal, it seamlessly processes text, images, audio, and video.

Grammarly

Writing assistant that checks spelling, grammar, style and tone in real time — now extended with generative features that rewrite whole sentences or draft text on request.

GraXpert

Free open-source tool from the German-speaking astrophotography community: neural networks remove sky gradients, denoise exposures and sharpen stars without any image-processing expertise.

Groq

Groq is a high-performance inference platform that runs open-source language models with ultra-low latency using custom LPU chips. Developers can integrate models like Llama 3 or Mixtral into their applications at record speeds via API.

Ground News

AI-powered news aggregation with bias comparison, blindspot detection and fact-checking across hundreds of outlets.

Guidde AI

Turns on-screen clicks into finished step-by-step explainer videos with screenshots, text, and voice output.

Guru

KI-Wissensplattform, die verstreutes Firmenwissen durchsuchbar macht und Antworten direkt in Slack, Teams und im Helpdesk ausspielt — Grundlage für wirksame Self-Service-Deflection.

Hailuo AI

An emerging video model (by Minimax) for amazingly sharp clips with extremely lifelike character facial expressions.

Harness AIDA

Continuous-Delivery-Plattform mit KI-Assistenz: bewertet Deployments automatisch anhand von Metriken, erkennt Regressionen und löst bei Bedarf ein Rollback aus.

Hedra (Character-3)

Generates cinema-grade, emotionally expressive videos from one photo plus audio with precise lip sync and natural facial motion.

HeyGen

Spectacular AI avatar engine. In addition to avatar video creation, it also offers flawless video translation (video dubbing).

Hugging Face

The "GitHub for AI". The world’s largest platform for free open-source AI models, datasets, and demos.

Ideogram

An absolute specialist in typography and type design. Generates logos and posters with perfect spelling in the image.

Inoreader

Professional feed reader with a native German interface and price list. Bundles RSS, newsletters, YouTube, Telegram and Google News searches and summarises them with AI.

InVideo AI

Generates a finished video from simple text commands, including script, stock footage, and subtitles.

Kagi News

Ad-free news overview from the Kagi search engine: condenses several sources per topic into one neutral text and lists every reference used.

Kling AI

Advanced model from Asia for especially long video sequences and extremely smooth, realistic action movements.

Komodor

Kubernetes-Troubleshooting-Plattform mit KI: korreliert Deployments, Konfigurationsänderungen und Events und erklärt, welche Änderung eine Störung ausgelöst hat.

Krea AI

Krea AI is an innovative platform for real-time AI image generation and high-resolution visual upscaling. Featuring an interactive live canvas, it transforms rough sketches and text prompts into detailed visual assets instantaneously.

LangChain

The global developer-standard framework for building AI applications, RAG systems, and company chatbots.

Langua

An AI speaking coach for free conversation: Langua holds real dialogues in more than 20 languages using voices cloned from native speakers, corrects you as you go and turns new words into flashcards and practice stories.

LanguageTool

An intelligent writing assistant that checks texts in real time for grammar, style, and spelling (in over 30 languages).

Legartis

AI-powered contract review from Switzerland: risks, clauses, and deviations against playbooks are automatically flagged.

Leonardo.ai

Platform with enormous control for game assets, 3D textures, and concept art. Drawing in the "Realtime Canvas" is possible.

Lex.page

AI-native writing environment for non-fiction and essay authors: a flowing focus editor with inline AI assistance.

Lifesum

Schwedische Ernährungs-App mit KI-Assistenz für Mahlzeitenerkennung, Ernährungsprofile (Keto, High Protein, Mediterran) und Life-Score-Bewertung.

LlamaIndex

LlamaIndex is a leading data framework for connecting custom and structured data to Large Language Models for RAG applications. It provides developers with ready-to-use connectors and indexing tools to build context-augmented AI agents.

Lovable

Platform for “vibe coding”. Builds fully functional web applications from everyday language, including database and UI.

Luma Dream Machine

Ultra-fast video model for smooth motion, 3D physics, and realistic landscape rendering.

Make

The most visually appealing drag-and-drop builder for connecting APIs. Connects ChatGPT with email and CRM, for example.

Marlowe (Authors A.I.)

AI manuscript analysis for authors: evaluates pacing, dialogue, beat structure and compares against bestsellers in the same genre.

Mem.ai

A self-organizing sticky-note repository. The AI automatically connects related notes without manual folder structures.

Mindsera

AI journaling app that turns written entries into mental models, emotion analyses, and personal coach feedback.

Mistral Le Chat

Le Chat is the official AI assistant from Mistral AI, powered by the company's advanced European language models. The platform offers web search, document analysis, and multimodal interactions built on strict European data privacy standards.

Moises

AI toolkit for musicians: Moises splits any recording into stems — vocals, drums, bass, instruments — and detects chords, key and tempo automatically.

Morpheus

Deep-learning framework for pixel-level morphological classification of astronomical sources. It detects galaxies, stars and nebulae via semantic segmentation.

Moss

German spend management platform with corporate cards, invoice processing, and expense management — live with ERP integration.

MyFitnessPal

Größte Kalorien-Tracking-App der Welt mit über 20 Mio. Lebensmitteleinträgen; KI-Funktionen erkennen Mahlzeiten per Foto und schätzen Portionsgrößen.

n8n

Powerful workflow automation platform. Connects hundreds of apps, databases, and AI models into automated processes.

Napkin AI

Napkin AI automatically converts written text into clear vector diagrams, flowcharts, and infographics. Built-in editing tools allow quick customization to match your corporate brand guidelines.

News Minimalist

AI service that reads more than 30,000 news articles a day, rates each of them for significance and delivers only the genuinely relevant stories as summaries.

NightCafe

AI art platform built around a community: NightCafe bundles dozens of image models in one interface and puts daily art challenges, galleries and peer feedback at the centre.

NotebookLM

Virtual learning assistant. Users upload their own PDFs/documents, and the AI answers exclusively based on that material.

Notion AI

Integrates AI into the workspace platform. Fills databases, summarizes notes, and answers questions about company knowledge.

Nutrium

Portugiesische Praxissoftware für Ernährungsfachkräfte: Anamnese, Nährwertberechnung, Planerstellung und Klient:innen-App in einem System.

NVIDIA PhysicsNeMo

Open-source framework for physics-informed neural networks: models learn the underlying differential equations and then deliver fast approximate solutions for flow, weather or heat transfer.

Ollama

Enables extremely simple downloading and running of powerful open-source AIs locally on your own computer.

Opus Clip

Analyzes long YouTube videos, finds the best moments, and automatically edits vertical Shorts/Reels including subtitles.

Otter.ai

Joins Zoom/Teams meetings as a silent assistant, creates live transcripts, and generates meeting summaries.

Particle

AI news app built by former Twitter engineers that bundles multiple sources per event, produces a neutral summary and contrasts how different outlets frame the story.

Perplexity AI

Instead of a list of links, Perplexity delivers direct answers with precise footnotes and source references from the live web.

Photoroom

Photoroom is an AI-powered image editing tool designed for automatic background removal and studio-quality visual creation. It transforms simple smartphone photos into professional product shots for e-commerce and marketing.

Pi

Inflection AI's personal companion, deliberately tuned for conversation rather than productivity: Pi listens, asks follow-up questions and remembers earlier topics.

PictureThis

Plant identification from a photo: the vision model matches more than 10,000 species, spots diseases and pests and gives concrete care advice.

Pika Labs

Creative platform for animating images, modifying image areas with video inpainting, and adding sound effects.

Pingo AI

Conversation-first language tutor for 15 target languages — German among them: Pingo remembers your level, mistakes and goals and picks up where you left off.

Playform

AI studio for professional visual artists with style mixing, latent-space exploration and series production.

Pleo

Danish smart company spend management: corporate cards, automated receipts, and direct accounting integration.

Polis (pol.is)

Open-source deliberation platform with machine learning for large-scale citizen consultations; used by vTaiwan and governments worldwide.

Promethean AI

AI assistant for procedural 3D world and level creation that assembles scenes from natural-language prompts.

ProWritingAid

AI style, grammar and readability assistant with over 25 specialized reports (cliches, rhythm, sensory details).

Qodo

Qodo (formerly CodiumAI) is an AI-powered development platform that assists software engineers with unit test generation and code analysis. It integrates directly into popular IDEs to continuously improve software quality through automated testing and real-time feedback.

Ramp Intelligence

AI layer on the Ramp spend management platform: analyzes spend, contracts, and price benchmarks in real time.

Recraft

An infinite digital drawing board specialized in true SVG vector graphics and consistent icon sets.

Remini

AI photo restoration: Remini reconstructs blurry, noisy or aged shots, sharpens faces, raises resolution and corrects colour — video included.

Replika

AI companion with a personalized avatar for empathetic everyday conversations, guided exercises, and emotional journaling.

Replit Agent

Autonomous developer agent in the browser. Plans the project, sets up databases, writes code, tests, and publishes.

RoseTTAFold

AI developed at the University of Washington for protein structure prediction and protein-protein complexes.

Runway Gen-3

A global leader in cinematic video generation. Creates high-resolution, realistic video scenes from text or images.

Scholarcy

British AI tool that automatically converts long academic texts into interactive summary flashcards with key findings.

Scribe

Scribe automatically converts any digital workflow into a detailed step-by-step guide complete with screenshots and text. The AI-powered platform saves teams countless hours when creating user manuals and process documentation.

Smartify

"Shazam for art": AI image recognition that identifies artworks in museums via camera and provides curators' commentary.

Speak

A language app built entirely around speaking out loud: the AI tutor holds free conversations, corrects pronunciation and sentence structure and turns that into a personal curriculum.

Speechify

The leading read-aloud assistant (text-to-speech). Reads PDFs, emails, and books aloud with extremely natural voices.

Spotify AI DJ

An AI host inside Spotify Premium: the DJ assembles a continuous selection from your listening history and introduces it with a synthetic voice.

StarNet++

Free neural network that removes stars from astro images — the basis for processing nebulae and galaxies separately from the star field.

Stoic

AI-assisted journal for mental fitness: Stoic asks tailored reflection questions morning and evening, links them to mood, sleep and activity data, and analyses entries for patterns.

StoryGraph

AI book recommendations and reading analytics based on mood, pace and themes — as an independent, ad-free alternative to Goodreads.

Sublime Security

Email security platform with transparent, customisable ML/rule detections specifically against phishing and BEC.

summetix (Argument Search)

Argument mining rooted at TU Darmstadt: neural networks search large document collections and summarise the pros and cons of a question in real time.

Suno AI

Creates complete, radio-ready songs from a simple text request, including vocals, instruments, and lyrics.

Supermaven

Ultra-fast autocomplete assistant. Thanks to its gigantic context window, it delivers code suggestions with virtually no noticeable delay.

Supp.AI (Allen Institute)

Kostenloses Forschungstool des Allen Institute for AI, das mit NLP über 20 Mio. Fachartikel nach Wechselwirkungen zwischen Supplements und Medikamenten durchsucht.

Sylvera

Independent rating agency for carbon credits: uses satellite data and AI to assess the actual climate impact of projects.

Taskade AI

Combines to-do lists, mind maps, and autonomous AI agents in a collaborative project platform.

Tavus

Builds a personal video clone (Replica) that reads scripts lip-synced or interacts with viewers in real-time video calls.

Trinka AI

AI grammar and style checker specialising in academic and technical English, by Enago, with a focus on STEM and medical terminology.

Udio Music

Cutting-edge AI music model from former Google researchers. Offers extremely high sound quality and complex song structures.

v0.dev

Generates copy-ready, modern UI code (React, Tailwind CSS) directly from text descriptions or design screenshots.

Vidnoz AI

Affordable avatar video platform with 2,800+ voices and a generous free tier — ideal for quick prototypes from manuals or scripts.

Warmly.ai

Autonomous AI revenue agents for website visitor deanonymisation and engagement via chat, email and ads.

Websim AI

A fascinating playground: generates fictional yet fully usable websites and small browser games simply by entering a URL.

Windsurf (Codeium)

Agentic development environment. AI and developers work hand in hand; the AI recognizes intent and suggests the next step.

Wispr Flow

An AI dictation tool for desktop that instantly converts spoken language into flawless text and removes filler words.

Wolfram|Alpha

Computational knowledge engine for symbolic calculations, fact queries, and technical formulas from physics, math, and chemistry.

Writefull

AI language feedback tool specifically for academic writing, developed by a linguistics/AI research team, with plugins for Word, Overleaf and Zotero.

Wysa

AI wellbeing coach using CBT and ACT techniques, complemented by human therapists in the premium tier.

xFarm

Swiss farm management software with AI-based recommendations for crop rotation, nutrient application, and sustainability reporting.

YAZIO

Deutsche Ernährungs- und Kalorien-App mit KI-gestützter Lebensmittelerkennung, Rezeptvorschlägen und Auswertung von Makro- und Mikronährstoffen.

Youper

AI assistant for emotional self-reflection with mood tracking, CBT techniques, and optional US telepsychiatry connection.

Zammad

Deutsches Open-Source-Ticketsystem für Helpdesk und Support mit KI-Assistenz („Smart Assist“), die Tickets zusammenfasst, Antwortentwürfe formuliert und Anfragen automatisch einsortiert.