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Developer tools

Realm

Realm (formerly tight.db) is a mobile database that enables its users to develop applications faster, develop applications that are fast, and craft amazing user experiences. Realm is a replacement for SQLite & Core Data. It can save users thousands of lines of code & weeks of work, and lets them craft amazing new user experiences. It is a Y Combinator company, headquartered in San Francisco.

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 #727

Realm (formerly tight.db) is a mobile database that enables its users to develop applications faster, develop applications that are fast, and craft amazing user experiences. Realm is a replacement for SQLite & Core Data. It can save users thousands of lines of code & weeks of work, and lets them craft amazing new user experiences. It is a Y Combinator company, headquartered in San Francisco.

source
generated read
High Signal interpretation

Realm 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
RealmSQLiteCore Datatight.db
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 Realm

Developer tools · 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.

URX

match 60

URX empowers publishers to monetize mobile content and enables advertisers to drive mobile commerce. The world's most forward-thinking companies use URX to connect users directly to relevant commerce experiences. URX is headquartered in San Francisco and has raised $15M from Accel, Google Ventures, First Round Capital, SV Angel and Y Combinator.

shared product terms: mobile, enable, experience, combinator; same category: Developer tools; shared affiliation: Y Combinator

Framebase

match 49

Framebase is programmatic video. Writing applications which use video in a meaningful way is extremely difficult. And then there's the maintenance. Framebase makes video a first-class object. Instead of hiring a team to deal with transcoding configurations, device compatibility bugs, or CDN contracts, Framebase lets you add two lines of code to start treating videos as class instances. Framebase is a pivot of TapIn.tv, which is a Y Combinator S 2012 company.

shared product terms: application, lets, line, code; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Kimono Labs

match 44

Kimono Labs lets people turn websites into structured APIs from their browsers in seconds. We are based in San Francisco, California and graduated from the Y Combinator startup accelerator. Our main product, a bookmarklet or chrome extension, enables users to scrape and crawl websites without any programming required.

shared product terms: lets, san, francisco, combinator; same category: Developer tools; shared affiliation: Y Combinator

The Athletic

match 41

The Athletic is a direct-to-consumer digital sports media company committed to helping subscribers experience storytelling in a whole new way. Founded in 2016 and headquartered in San Francisco, The Athletic has over 600 full-time employees and covers more than 250 professional sports and collegiate teams in the US, Canada and the UK. The Athletic’s newsroom has produced thousands of in-depth articles along with more than 120 podcasts and premium video content. The Athletic is a remote-friendly

shared product terms: experience, headquarter, san, francisco; shared affiliation: Y Combinator

Fastgen

match 41

Fastgen is a low-code API and workflow builder with an integrated Postgres DB. Our drag-and-drop platform allows you to rapidly develop custom APIs and workflows with ease. Our integrated Postgres DB makes it even easier to create, read, update, and delete data in your applications.

shared product terms: db, develop, application, code; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

DataShare

match 41

DataShare is a data-as-a-service platform that lets you embed charts, dashboards and exports directly into your product. For example, if you run an accounting startup, DataShare would enable you to embed a full profit and loss dashboard, with downloadable statements. DataShare is backed by an enterprise-grade data warehouse, and can be implemented in fewer than 20 lines of code.

shared product terms: lets, enable, line, code; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator