★ Staron GitHub

7 of 8 tools live · built in public from Germany

Small AI tools that do real work.

Free tools for job seekers, students, newcomers to Germany and small businesses. The AI runs on your own laptop, plain code checks every answer, and you make the decisions.

Explore the tools See the code on GitHub ↗
  • 467 checks passing
  • €0 to run
  • No account, no API key
  • Open source on GitHub
02 · Job-Fit Checker done
    Watch a tool run, or pick one

    The tools

    Seven tools. One way of working.

    Each tool solves one real problem, runs free on your laptop and comes with a guide that explains how it was built. Pick one to see it.

    Show tools for

    How it works

    The AI never gets the last word.

    Small AI models make mistakes. So every tool splits the work, and each part does what it is best at. The same three colours show up in every run above.

    AI

    AI model

    Reads, understands, writes

    Reads photos, understands job ads and drafts messages. It runs on your laptop with Ollama and Google's free Gemma 4 model.

    In the German Letter ExplainerReads a phone photo of an official letter, word by word.

    Code

    Code

    Checks, finds, counts

    Plain Python checks that every quote is really in your file, finds every date and euro amount, and does all the maths.

    In the German Letter ExplainerFinds every deadline and amount, and counts the days left.

    You

    You

    Decide what matters

    You approve the plan, the facts and the final text at clear checkpoints. Nothing is ever sent for you.

    In the German Letter ExplainerYou read what the letter means and decide what to do next.

    Private by designThe AI runs on your own computer, so your CV, letters and notes never leave it.
    Free to runEvery model is free and open. No account, no API key, no subscription.
    Open sourceAll code, tests and guides are public on GitHub. The code of tools 02 to 07 is MIT. The tracker, guides and images are CC BY-NC 4.0: free to use, not to sell.

    Proof

    Tested like a product, not a demo.

    Every tool has fast automatic checks of its code, plus quality checks with the real AI on made-up examples. For most tools, the expected answers were written down before the first test run.

    467checks across the lab, and every one passes416 automatic, 51 with the real AI
    99%of words read right on phone photos of lettersGerman Letter Explainer
    6/6wrong facts, planted on purpose, caught by the Fact-checkerCompany Research Agent
    42/42skill claims backed by a real quote from the CVJob-Fit Checker

    Results against the pass mark

    One headline result per tool, from its latest test run.

    Result (passed)Pass mark

    The Second-Brain Agent only just passes: it found 3 of the 4 links hidden in the test notes, exactly the pass mark.

    Roadmap

    Seven tools in 13 days. One to go.

    Each tool adds one new AI skill on top of the last. The final step turns the most popular tool into a real web app that people use.

      Every tool follows the same five steps

      1. ProblemWho has this problem, and why it matters.
      2. BuildThe smallest version that really works.
      3. TestAutomatic checks, plus quality checks with the real AI.
      4. ExplainA guide: what it does, how to run it, what was learned.
      5. ShareA short build log on LinkedIn and social media.
      Hardik Kathiriya Founder of NovaWerk AI. Master's student in Germany, moving into AI engineering.
      Connect on LinkedIn ↗ GitHub ↗

      About

      Learning AI engineering by shipping.

      I'm Hardik. My Master's thesis is on Agentic AI and knowledge management, and NovaWerk Lab, the open workshop of NovaWerk AI, is where I put it into practice. I build one small tool at a time, test it properly and write down exactly how I built it, so you can learn from it, copy it, or build your own.

      • UsefulEach tool solves a real problem for real people.
      • SmallOne working tool, not a half-finished platform.
      • ExplainedEvery guide covers what it does, how to run it and what I learned.
      • TestedNo "it worked on my laptop once".

      What's next

      Follow the build.

      Project 08 turns the most popular tool into a small web app that real people use. Star the lab to see it ship, or connect on LinkedIn for the build logs.

      ★ Star the lab on GitHub Connect on LinkedIn ↗
      Instagram @novawerk.ai launching soon, with short demos of every tool.