Developer tools

Openbase

Openbase was the leading platform for developers to discover and choose open-source libraries. It offered countless reviews, metrics, and insights enjoyed by millions of developers worldwide. Discontinued in 2023.

sources

Evidence entries preserved.

affiliations

Y Combinator

competitors

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 #1826

source

generated read

High Signal interpretation

Openbase is classified as Developer tools 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

open-source librariesdevelopersOpenbase

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 Openbase

Developer tools · 4 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.

Heyzap

match 51

Heyzap is a premier mobile ad network that helps millions of users discover apps they love. Heyzap’s SDK for Android and iOS apps allows both well-established app producers and innovative indie developers to monetize and bring their apps to a wide audience. It currently provides advertising, publishing, mediation, and cross-promotion services to mobile developers worldwide. Heyzap is based in San Francisco and was founded in 2009 by Jude Gomila and Immad Akhund.

shared extracted concept terms: developer; shared product terms: million, discover, developer, worldwide; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Forestry.io

match 36

Forestry offers developers a new way to build and manage websites.

shared extracted concepts: developers; shared product terms: offer, developer; shared product theme: developer infrastructure; same category: Developer tools

Plaace

match 34

Empower retailers and area developers with unique, actionable area insights, delivered through a user-friendly, all-in-one platform.

shared extracted concept terms: developer; shared product terms: developer, insight; shared product theme: developer infrastructure; same category: Developer tools

Astronuts

match 33

AI for code reviews and error logs with real time resolutions so that developers can focus on building rather than fixing.

shared extracted concepts: developers; shared product terms: developer, review; shared product theme: developer infrastructure