Mar, by Nusmark

What it does

Meet Mar, your new Secretary for Scheduling, Bookings, & more... Activate an AI Personal Assistant that can update your Calendar, book thousands of Restaurants (currently UK but globally soon), and expands with new integrations every week. All within WhatsApp

Make Time For Everything.

Supported by the best and brightest from Oxford, London, and Southampton. Consistently delivering product (and life!) improvements for you, via yourfrom nusmark.com

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  Cal.ai Email Assistant2023 · cal.com · ▲918

  World's first open source AI scheduling assistant

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  Calendar.AI2020 · sync.ai · ▲171

  Discover everything about the people and companies you meet

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  EsteraJul 2026 · tryestera.com · ▲137

  AI Receptionist that Answers Calls & WhatsApp 24/7

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  BookedSolid2024 · bookedsolid.health · ▲3

  The AI Receptionist to Automate Your Email, WhatsApp & SMS.

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  CalendariaJun 2026 · calendaria.co · ▲8

  AI calendar assistant

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  Intellibook AIJun 2026 · intellibookai.com · ▲1

  WhatsApp AI receptionist that books appointments 24/7

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 18d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 18d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 19d ago · tej.as

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  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 21d ago · stillwet.art

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  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 29d ago · world.pixverse.video

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  Beam.win▲378

  Run AI agents on one Mac and use its windows on another

  AI · 4d ago · beam.win

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  I'm an airline pilot – I built interactive graphs/globes of my flights▲1,539

  Hey HN! Pilots everywhere are required to keep a logbook of all their flying hours, aircraft, airports, and so on. Since I track everything digitally (some people still just use paper logbooks!), I put together some data visualizations and a few 3D globes to show my flying history. This globe is probably my favourite so far: https://jameshard.ing/pilot/globes/all If you’ve got ideas for other graphs or ways to show this kind of data, I’d love to hear them!

  Life & fun · 2025 · jameshard.ing

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  Chronicle: Cursor for Slides▲1,212

  Stunning presentations with AI. No design skills required.

  AI · 2025 · chroniclehq.com

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  Bubble for native mobile apps (beta)▲1,026

  Build native mobile apps for iOS and Android without code.

  Dev tools · 2025 · bble.io

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  Twenty▲989

  Build your Enterprise CRM with an AI-friendly SDK

  Dev tools · 2025 · twenty.com

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  Pally - AI Relationship Management▲949

  All your connections, across all your socials.

  AI · 2025 · pally.com

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  Workout.cool – Open-source fitness coaching platform▲827

  I was the main contributor to workout.lol, an open-source fitness app to easily build a workout routine. The project had traction (1.4k GitHub stars, 95 forks, ~20K visits/month), but was eventually sold due to video licensing hurdles. The new owner stopped maintaining it, and the repo went abandoned. Over the next 9 months, I sent 15 emails to try to save it : no replies. Feature requests & issues were ignored. The community was left with a "broken" tool let's say. I couldn't just let it die So I built the new version from scratch with the same open-source spirit, but a better…

  Dev tools · 2025 · github.com