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AI infrastructure

280 North

280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete toolkit to develop rich web applications. It's modeled after a proven desktop development environment, and has been released as an open source project under the LGPL. 280 North's first application, 280 Slides, enables anyone with a web browser to quickly and easily create beautiful presentations. 280 Slides takes advantage of the web by makin

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #3212

280 North is a web application company based on their proprietary application framework, Cappuccino. Along with Objective-J, Cappuccino provides a complete toolkit to develop rich web applications. It's modeled after a proven desktop development environment, and has been released as an open source project under the LGPL. 280 North's first application, 280 Slides, enables anyone with a web browser to quickly and easily create beautiful presentations. 280 Slides takes advantage of the web by makin

source
generated read
High Signal interpretation

280 North is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
Objective-J280 SlideswebCappuccino
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to 280 North

AI infrastructure · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Emdash

match 54

Agent-first development environment. Emdash enables engineering teams to develop software faster, by running multiple coding agents in parallel. We're an open-source and provider-agnostic desktop application.

shared product terms: application, develop, desktop, development; shared product theme: open source and local first; shared affiliation: Y Combinator

Proven Group

match 44

Proven is a data powered skincare company that creates personalized skincare products based on more than 47 factors about an individual's skin, genetic background, lifestyle and environment. Our formulations are rooted in the largest beauty database in the world, the proprietary Skin Genome Project, built in-house by Proven's cofounder Amy Yuan, a computational physicist from Stanford. The database has won MIT's AI Technology of the Year award and encompasses more than 20Million consumer datapoi

shared product terms: proprietary, proven, environment, project; same category: AI infrastructure; shared affiliation: Y Combinator

Browser Use

match 38

We enable AI to control the browser. Browser-use is the biggest open-source web agent project. We got 40k stars in the last 3 months.

shared product terms: web, project, enable, browser; shared product theme: open source and local first; shared affiliation: Y Combinator

Insoshi

match 10

Other company.

shared affiliation: Y Combinator; shared cohort: Winter 2008; nearby official-directory cohort

BitSample

match 10

Other company.

shared affiliation: Y Combinator; shared cohort: Winter 2008; nearby official-directory cohort

Insight

match 9

The first extensible browser for iOS

shared product terms: browser; shared affiliation: Y Combinator