Hey everyone,
Google gets a lot of attention for Gemini. But buried inside Google Labs and its developer ecosystem are tools that are genuinely useful — and almost nobody is talking about them.
No hype. No fluff. Just five tools worth your time.
1. Opal — Build AI Apps Without Writing a Single Line of Code
If you've ever wanted to build a small AI-powered tool but didn't want to set up a full stack, Opal is for you.
You describe what you want in plain English. Opal generates the logic, the interface, and the backend connections — all powered by Gemini. The workflow visualizes as a flowchart so you can see exactly how data moves. Once it's ready, your app gets a live URL instantly.
Example: Type "make an app where I upload a PDF invoice, it extracts the total, date, and vendor, and puts them into a table." Opal builds it. No code required.
It chains together Gemini, Imagen, and other Google AI models into multi-step processes. Think of it as a no-code LangChain — but one that non-engineers can actually use.
Best for: Developers who want to prototype fast, or non-coders who want to build internal tools.
2. Jules — Your Async AI Coding Agent
Jules is Google's answer to GitHub Copilot Workspace — an AI agent that works directly inside your GitHub repositories.
You assign Jules a task — fix this bug, add this feature, write tests for this module. It goes off and does it asynchronously, then comes back with a pull request. You review, approve, and merge. That's it.
What makes Jules different from copilots and autocomplete tools is the async nature. You don't babysit it. You describe the work, walk away, and check back when it's done. For solo developers or small teams with a long backlog, this changes the math significantly.
It's still rolling out broadly, but access is available through Google Labs.
Best for: Developers who want to offload repetitive coding tasks — bug fixes, test coverage, refactors.
3. Illuminate — Turn Any Research Paper Into a Podcast
If NotebookLM's audio feature impressed you, Illuminate takes it further.
Paste any URL — a research paper, a long article, a technical doc — and Illuminate generates a natural, conversational audio discussion between two AI voices that break down the key points. Not a robotic text-to-speech reading. An actual back-and-forth conversation.
What makes it genuinely better than NotebookLM's version: the transcript is interactive. As the audio plays, the text highlights in real time. Click any sentence in the transcript and the audio jumps to that exact second. You can also hit the hand-raise icon mid-playback and type a follow-up question — no need to speak out loud.
It's free, with a limit of 20 generations per day. Narrow in scope but sharp at what it does.
Best for: Developers and researchers who consume a lot of technical reading and want to listen instead.
4. Google AI Studio — The Free Gemini Playground Developers Keep Ignoring
Most developers are paying for API playgrounds when this exists for free.
Google AI Studio gives you direct browser access to Gemini's full model family — including the latest multimodal models. You can run prompts, test system instructions, adjust parameters, experiment with structured outputs, and call the Gemini API — all without setting up a local environment or pulling out a credit card.
The free tier is generous. And for prototyping, evaluating model behavior, or just testing whether Gemini can handle your use case before you build anything — there's no faster way to find out.
If you've never opened AI Studio, open it today before you pay for anything else.
Best for: Developers evaluating Gemini for a project, prompt engineers, anyone building on top of Google's model stack.
5. Google Antigravity — A Cursor Alternative You've Probably Never Heard Of
This one is the most recent and the most underrated.
Google Antigravity is an agentic development platform — you describe what you want to build in plain language and it writes the code, builds the interface, and deploys it. Landing pages, internal dashboards, small tools — all from a natural language prompt.
It's powered by Gemini 3 Pro and sits at 76.2% on SWE-bench Verified, which puts it in genuine competition with Cursor and other AI coding environments. It's not as mature as Cursor yet, but it's free, it's from Google, and it's improving fast.
If you're already in the Google ecosystem and want an AI coding environment that doesn't require a separate subscription — this is worth trying right now.
Best for: Developers who want an AI coding agent without paying for Cursor or similar tools.
🛠 Dev Tip of the Week
Chain AI Studio with Opal. Use AI Studio to test and refine your prompts until they work exactly how you want — then take that prompt into Opal and build an actual app around it. You've just gone from idea to deployed tool in under an hour, for free.
Five tools, all from Google, all flying under the radar.
If one of these changes your workflow, hit reply and tell me which one — genuinely curious.
— Dhanush from Tech Zenith