An open-source reactive Python notebook: reproducible, git-friendly, execute as scripts, share as apps! GitHub: https://github.com/marimo-team/marimo Discord: https://marimo.io/discord?ref=bskyhttps://bsky.app/profile/marimo.iohttps://bsky.app/profile/marimo.io/post/3myfqgat34k2wOne hackathon team used marimo to turn an iPhone scan into a wheelchair-access check for small shops. Another used it to let scientists audit what their lab robots actually did. Both won. Full writeup below ⬇️21 Oct 2026 18:05 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3myfqgat34k2whttps://bsky.app/profile/marimo.io/post/3mxtsudj3ho2jOur cheminformatics competition has officially wrapped, and we are excited to announce our winners! 🥇 First place: Tsubasa Nagae - https://molab.marimo.io/github/github.com/N283T/chemari/blob/main/examples/ecfp_openadmet.py/server 🥈 Second place: Jordi Silvestre-Ryan - https://molab.marimo.io/notebooks/nb_hMrS6hmAQiB2N6Qk2du6UU 🥉 Third place: Boris Nezlobin - https://molab.marimo.io/github/borisnezlobin/marimo-cheminformatics/blob/main/drain.py https://marimo.io/github/borisnezlobin/marimo-cheminformatics/blob/main/drain.py14 Oct 2026 15:01 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mxtsudj3ho2jhttps://bsky.app/profile/marimo.io/post/3mxrrvjjx3i2fHow do you catch an AI agent that gets the right answer the wrong way? Acto built marimo apps that put experts in front of the evidence, bringing human review back into AI evals. Read the full case study below ⬇️13 Oct 2026 19:38 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mxrrvjjx3i2fhttps://bsky.app/profile/marimo.io/post/3mwyznbgeq32e🧪 Less than 48 hours left in the OpenADMET × marimo cheminformatics notebook competition! Turn a drug-discovery question into an interactive marimo notebook and compete for $2.5K+ in prizes, including a Mac mini M6. Submit by October 4, 11:59 PM PT → https://marimo.io/pages/events/notebook-competition-303 Oct 2026 23:20 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mwyznbgeq32ehttps://bsky.app/profile/marimo.io/post/3mww5lsa5ca25Introducing marimohub 🌊 Your team's notebooks. Your infrastructure. An open-source platform to run and share marimo notebooks with your own compute, storage, and SSO. No separate database to operate. Read @themylesfiles' announcement and get started: https://marimo.io/blog/introducing-marimohub02 Oct 2026 19:53 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mww5lsa5ca25https://bsky.app/profile/marimo.io/post/3mwtghy2hnq2xIntroducing marimo-studio 🎬 One notebook, infinite views. Turn an analysis into a report, explorer, or 3D experience, all using the web framework you choose. Every result stays backed by the reactive Python cells.01 Oct 2026 17:54 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mwtghy2hnq2xhttps://bsky.app/profile/marimo.io/post/3mwr76qj2fy27Introducing marimo-lens 🔍 Point at a chart, mark a region, and tell your agent what to investigate or change. Lens connects what you see to the code and data behind it. Your agent can point back, too. Read blog, by @peter_gyarmati: https://marimo.io/blog/introducing-marimo-lens30 Sep 2026 20:38 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mwr76qj2fy27https://bsky.app/profile/marimo.io/post/3mwolcgvepg2hYou can now easily connect multiple remote storage types in marimo! If fsspec or obstore supports it, you can likely use it! Learn how in our blog, by @ShahmirVarqha: https://marimo.io/blog/drive-storage29 Sep 2026 19:37 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mwolcgvepg2hhttps://bsky.app/profile/marimo.io/post/3mwltrbzapy2nmarimo now supports @prefix_dev Pixi sandboxes! Share portable notebooks with dependencies beyond Python, including CUDA-enabled @PyTorch, ffmpeg and R. Already using Conda or Pixi? Bring your ecosystem to marimo’s reactive notebooks, with Conda and PyPI requirements saved alongside your code.28 Sep 2026 17:31 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mwltrbzapy2nhttps://bsky.app/profile/marimo.io/post/3mw2fg6durn2zWe were thrilled to get early access to @typesafeai's Jev model! Here's what @ktaletsk is building with Jev: 1. jevframe - pandas and polars dataframe adapter to bulk generate new columns with Jev https://github.com/ktaletsk/jevframe Try the notebook: https://molab.marimo.io/github/ktaletsk/jevframe/blob/main/examples/reviews.py/server21 Sep 2026 18:59 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mw2fg6durn2zhttps://bsky.app/profile/marimo.io/post/3mw26oxqcvw2cA feature a day keeps the builders at play, or however the saying goes. Launch week #2 starts Sept 28. 5 days, 5 announcements, 5 videos. What do you think (or hope) we'll launch? Best guess might just get merch...21 Sep 2026 16:58 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mw26oxqcvw2chttps://bsky.app/profile/marimo.io/post/3mvkyoex7sp2fCongratulations to our @CoreWeave Hacks "Best Use of marimo" winners, Standard Physics! Their prototype uses iPhone scans to help shop owners spot potential accessibility issues. Built by Brendan Giang, Jerry Yan, Boris Nezlobin & David Wu.15 Sep 2026 16:01 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mvkyoex7sp2fhttps://bsky.app/profile/marimo.io/post/3mupjarr5uh2zFor our cheminformatics competition, you can now win an @Apple Mac Mini M6. You have 1 month left to take a dataset and build a marimo notebook that brings cheminformatics to life. Competition details below.04 Sep 2026 17:43 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mupjarr5uh2zhttps://bsky.app/profile/marimo.io/post/3muiepfojbm2b33 days to win a mac mini. the challenge: pick a cheminformatics dataset and build a marimo notebook that answers a question you want the answer to. we're judging based on creativity, not on model accuracy. co-hosted with @wpwalters.bsky.social. we'll see you in our submissions 👀01 Sep 2026 21:33 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3muiepfojbm2bhttps://bsky.app/profile/marimo.io/post/3mtwhpteyf42kOur community call is in 20 minutes. Another teaser for what's in store:25 Aug 2026 18:39 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mtwhpteyf42khttps://bsky.app/profile/marimo.io/post/3mtulubffqo27What if you could run marimo notebooks for your whole company on your own cloud, behind your own SSO, with no database to run? We'll be demoing exactly that at tomorrow's community call 👀 Plus...custom web views. That's all we're saying for now.25 Aug 2026 00:48 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mtulubffqo27https://bsky.app/profile/marimo.io/post/3mttwhgnr2d23We're running a cheminformatics notebook competition with @wpwalters.bsky.social and OpenADMET. Take a dataset & bring cheminformatics to life. Mac Mini + $2.5K in prizes, deadline Oct 4 👀24 Aug 2026 18:25 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mttwhgnr2d23https://bsky.app/profile/marimo.io/post/3mtdecwizvr2sPSA 0.24.0 is out. here's what's new: @hf.co Hub is now a first-class remote storage backend. marimo detects the Hugging Face auth in your environment and lists your datasets, models, and Spaces in the sidebar.18 Aug 2026 04:17 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mtdecwizvr2shttps://bsky.app/profile/marimo.io/post/3mstwauozuh2vhint: __hub that's all you get until august 25, when we'll show you our new features and then hand the mic to @sconradi.bsky.social, @mihainica.bsky.social, Sasank Desaraju, and @clarencemah.me.12 Aug 2026 00:56 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mstwauozuh2vhttps://bsky.app/profile/marimo.io/post/3msbcjairip22marimo 0.23.16: your notebook now finds your database connections for you. Postgres, MySQL, Trino, AWS, PyIceberg, PySpark, if it's configured on your machine, it shows up in a quick-add UI.04 Aug 2026 15:15 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3msbcjairip22https://bsky.app/profile/marimo.io/post/3mrvevdixub24We're hosting another community call to kick off the quarter, with team demos, some highly-requested features, and presentations from the community. 🗓️ Aug 25, 2026 | 12-1 PM PST Whether you're a marimo megafan or marimo-curious, this one's for you: luma.com/13c69h7x https://luma.com/13c69h7x30 Jul 2026 21:25 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrvevdixub24https://bsky.app/profile/marimo.io/post/3mrpvkgjb6n22Kishan N, a final-year CS student, fine-tuned, benchmarked, and deployed his own 7B coding model without leaving a notebook. 102GB of VRAM on molab, live Gradio demo straight from a cell. Meet Chitti: https://marimo.io/blog/guest-blog-chitti28 Jul 2026 17:07 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrpvkgjb6n22https://bsky.app/profile/marimo.io/post/3mrnepqnxgs26How @voltusinc, the #1 virtual power plant aggregator in North America, runs on marimo: Staff SWE Will Lachance on managing 8.5 GW, growing from 2 to 35+ internal apps in six months, and embedding a reactive sandbox in their public API docs: https://marimo.io/blog/case-study-voltus27 Jul 2026 17:01 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrnepqnxgs26https://bsky.app/profile/marimo.io/post/3mrgg5ooug725We had our first ever launch week here at marimo. Five announcements in five days. Full recap ⬇️ https://marimo.io/blog/launch-week-124 Jul 2026 22:38 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrgg5ooug725https://bsky.app/profile/marimo.io/post/3mrftyuxp5l24Python is better than PowerPoint now. You can present marimo notebooks as slides. Widgets stay interactive and you can edit slides live while presenting. No more second window, separate demo, or crossing your fingers.24 Jul 2026 17:13 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrftyuxp5l24https://bsky.app/profile/marimo.io/post/3mrd5zse6su24marimo is reactive, which means that it knows in what order variables are declared. So what if you had widgets at your disposal that could leverage that? For launch week, we're releasing some tools that do exactly this.23 Jul 2026 15:34 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrd5zse6su24https://bsky.app/profile/marimo.io/post/3mrasdj5nie2sAsk and you shall receive: marimo now runs natively in PyCharm. Open, edit, and run reactive notebooks in @JetBrains without leaving your IDE. Install from the JetBrains Marketplace 👇22 Jul 2026 17:00 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mrasdj5nie2shttps://bsky.app/profile/marimo.io/post/3mr6cjv57ua2dOpen any marimo notebook on GitHub. Click one button. The raw Python turns into a live, interactive notebook you can run, right there in your browser. That's marimo Glance. Free extension for Chrome and Firefox, works on GitHub, gists, and GitLab. Details below.21 Jul 2026 17:12 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mr6cjv57ua2dhttps://bsky.app/profile/marimo.io/post/3mr6c37mpm626Put a slider in one paragraph and the chart three paragraphs later. The Python cells stay connected. Reactive marimo cells now run inside Quarto, Jupyter Book, and anywhere MDX lives. quarto-marimo, jupyter-book-marimo, mdx-marimo, all open source. More below ⬇️21 Jul 2026 17:04 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mr6c37mpm626https://bsky.app/profile/marimo.io/post/3mr3tltdnif2chappy official launch day 1! launch week opens with updates to marimo-pair, now in VS Code. pair opens up a new medium for agent-native data and computational work: you + your agent, collaborating over one interactive, flexible canvas. more below ⬇️ marimo.io/pair https://marimo.io/pair20 Jul 2026 17:39 +0000at://did:plc:vn4czbo4bjg7htko2eh3klsp/app.bsky.feed.post/3mr3tltdnif2c