Simon Kubica

Founder & CEO

Simon Kubica is an Australian entrepreneur and the co-founder and CEO of Alloy, one of the only Australian companies ever accepted to Y Combinator. He has featured in Forbes and Business Insider, and was previously a product leader at Atlassian, working on Jira, Forge, and new products and platforms.

launchesJan 15, 2026

2x faster performance

Alloy is now 2x faster. Last year, speed was the biggest bottleneck in AI prototyping. When a capture takes 10 minutes or a big prompt stalls, momentum evaporates. Improving performance was the 1 fee...

launchesDec 17, 2025

Chat mode

Plan before you build. When you're working on a complex feature, you don't want to make changes while you're still thinking through the approach. Chat mode guarantees you'll only get a chat response,...

companyDec 8, 2025

Alloy Wins 2025 Proddy Award for Top Prototyping Product

Alloy has been named the 2025 Proddy Award winner for Top Prototyping Product. The 9th annual Proddys focus on the AI tools product teams rely on daily, and we're humbled to be recognized in this grou...

launchesDec 7, 2025

Brand logos

Add company logos to your prototypes with our new brand logos feature. It's common to reference other brands when designing SaaS apps today, particularly when prototyping integration pages. Previousl...

launchesDec 6, 2025

Capture public link

Capture any public web page to use as a starting point for your prototype. While the Alloy browser extension supports capturing any web page, you need to have the extension approved and installed on ...

launchesDec 5, 2025

Dovetail integration

Dovetail is the leading customer intelligence platform for product teams to analyze feedback. With our new integration, you can now create AI prototypes directly from your customer feedback in Doveta...

launchesDec 4, 2025

Desktop app

Alloy is now available as a native desktop app for macOS and Windows. Get instant access to Alloy from your dock or taskbar. The desktop app provides a faster, more focused experience for prototyping...

pressOct 30, 2025

Y Combinator Features Alloy

Alloy is the tool for prototypes that look exactly like your product. PMs and designers have struggled with off-brand prototypes built with "app builder" tools that look nothing like their existing ap...

pressOct 14, 2025

SaaStr AI App of The Week: Alloy

The Bottom Line: Alloy is vibing for product development. You can prototype new features for existing products in plain english in a prompt or two. It's the first AI prototyping tool that captures you...

pressOct 2, 2025

From Customer Feedback to Instant AI Prototypes

Dovetail has partnered with Alloy to revolutionize product development by transforming customer feedback directly into AI prototypes. The collaboration enables teams to quickly generate interactive, a...

launchesSep 25, 2025

Introducing Alloy

It's official – I'm excited to introduce Alloy, the world's first tool for prototypes that look exactly like your product. All year, PMs and designers have struggled with off-brand prototypes – built...

pressMar 5, 2025

Simon Kubica on the Future of Mac Productivity

Index co-founder Simon Kubica shares his experience building with Raycast, calling it "by far the best thing to happen to the Mac in years" and discusses creating modern product management tools.

pressFeb 12, 2025

Investment Notes - Index

Blackbird has led a A$3.5M seed round into Index, a startup founded by Christian Iacullo and Simon Kubica from Canva and Atlassian, aiming to revolutionize project planning and management for knowledg...

pressFeb 11, 2025

Index Brings Product Planning into the AI Age

Index is a new product planning tool that helps AI-native product teams unify customer feedback, engineering execution, and design mocks, enabling faster and more efficient product development.

pressFeb 11, 2025

Index Secures Funding from Bain Capital Ventures for Product Management Tools

Index has raised funding from Bain Capital Ventures to build next-generation product management and planning tools for modern teams.

pressFeb 11, 2025

Index Lands $3.5M Seed Round from Blackbird and Bain

Index, the AI-powered product planning platform, has secured $3.5 million in seed funding led by Blackbird Ventures and Bain Capital Ventures.

companyFeb 10, 2025

$3.5m Seed Round

As reported by Forbes today, Index just raised an A$3.5m seed round led by Blackbird and Bain Capital Ventures. It's only been two months since our public launch – and the response has blown us away....