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Developer tools

Fly.io

We run app servers and databases close to end users. Developers deploy their apps to Fly.io (it's about the simplest place to deploy a Docker Image) and use our CLI to launch instances in regions that are most important for their application.

sources
2
Evidence entries preserved.
affiliations
2
Andreessen Horowitz, 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 #4286

We run app servers and databases close to end users. Developers deploy their apps to Fly.io (it's about the simplest place to deploy a Docker Image) and use our CLI to launch instances in regions that are most important for their application.

source

Andreessen Horowitz

a16z-investment-list #359
source
generated read
High Signal interpretation

Fly.io 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
end usersDevelopersDocker ImageFly.ioapp serversCLICLIdatabases
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 Fly.io

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.

EnvKey

match 79

EnvKey is a developer-friendly, cross-platform, end-to-end encrypted configuration and secrets manager. It can be used to store API keys, database credentials, and other application config securely. EnvKey makes it easy to grant least-privilege access to the developers and servers that need it from a user-friendly UI. Integration takes minutes. Using EnvKey ensures that no 3rd party, including EnvKey itself, ever has access to your secrets. It takes a part of your system that used to be error-pr

shared extracted concept terms: developer, server, database; shared product terms: developer, end, database, application; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Compose

match 65

Compose is a fully-managed platform used by developers to deploy, host, and scale databases to help you conquer the data layer. www.compose.io

shared extracted concepts: databases, developers; shared product terms: developer, deploy, database, io; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Scratch Data

match 63

ScratchDB is a platform that automates all aspects of managing an analytical database: server configuration, data ingestion, queries, replication, and sharding. We are built on top of Clickhouse with a developer experience that you'll love.

shared extracted concept terms: developer, server, database; shared product terms: server, database, developer; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Y Combinator

Tapzilla

match 58

TapZilla is a Y Combinator-backed company that launched October 13, 2010 and is taking the daily deal model and applying it to discounts on paid mobile apps. Through TapZilla.com and AppRebates.com, the company has given out more than 25,000 paid applications to its users and has pioneered the method of connecting developers with users by giving away paid applications for free. TapZilla has been featured by TechCrunch and Forbes. Each day, TapZilla features a paid iOS app. To get the deal, the u

shared extracted concepts: developers; shared product terms: app, developer, apps, launch; shared product theme: developer infrastructure; shared affiliation: Y Combinator

Parallel Universe

match 55

Parallel Universe, a Y-Combinator startup, helps developers utilize the most out of their hardware. With a server side stack developed for easy concurrency programming, you can ditch the extra servers and write simple multi-threaded code.

shared extracted concepts: developers; shared product terms: server, developer, most; shared product theme: developer infrastructure; same category: Developer tools; shared affiliation: Andreessen Horowitz, Y Combinator

Stacker

match 50

We let you create applications for your team, your partners or your customers, powered by the data you're already using. Connect in your spreadsheets, Airtable or database and we'll automatically create an app for you.

shared extracted concept terms: app, database; shared product terms: app, database, application; shared product theme: developer infrastructure; shared affiliation: Andreessen Horowitz, Y Combinator