United States Startups Directory, Page 2

Page 2 of 3: United States startups ranked by GitHub engineering acceleration (Q3 2026), positions 25 and beyond. Every company links to its full signal profile.

This directory lists every startup VC Deal Flow Signal tracks in Q3 2026, ranked by GitHub engineering acceleration. It contains 69 companies spread across 3 pages; this is page 2. Each card links to a company's full signal profile with its complete commit history, contributor data, and sector ranking.

rive-app

Engineering hiring burst

Stage: Pre-seed
Geography: US
Commits (14d): 78
Velocity change: -7%
Contributors: 3
New repos (30d): 2

langchain-ai

Framework migration

langchain ai is aenterprise saas series a/b startup based in US, modernizing their technology stack for scale.

Stage: Series A/B
Geography: US
Commits (14d): 59
Velocity change: -11%
Contributors: 39
New repos (30d): 2

SFDigitalServices

Framework migration

San Francisco’s Digital Services Team is committed to transforming the public experience of City services.

Stage: Series A/B
Geography: US
Commits (14d): 20
Velocity change: -13%
Contributors: 35
New repos (30d): 1

OpenC3

Framework migration

Open Source. Open Architecture. Command, Control and Communication

Stage: Growth
Geography: US
Commits (14d): 141
Velocity change: -18%
Contributors: 50
New repos (30d): 2

medusajs

Framework migration

Building blocks for digital commerce

Stage: Growth
Geography: US
Commits (14d): 105
Velocity change: -19%
Contributors: 100
New repos (30d): 0

phase-rs

Framework migration

Stage: Growth
Geography: US
Commits (14d): 322
Velocity change: -20%
Contributors: 100
New repos (30d): 0

Lifecycle-Innovations-Limited

Framework migration

Your Personal Health Coach for iOS

Stage: Seed
Geography: US
Commits (14d): 22
Velocity change: -21%
Contributors: 12
New repos (30d): 0

DSACMS

Infrastructure buildout

Digital Service at CMS

Stage: Series A/B
Geography: US
Commits (14d): 30
Velocity change: -23%
Contributors: 31
New repos (30d): 5

rudderlabs

Framework migration

Steer your Customer Data

Stage: Growth
Geography: US
Commits (14d): 17
Velocity change: -23%
Contributors: 100
New repos (30d): 0

zapplyjobs

Framework migration

Free job boards and career resources for students & new grads

Stage: Pre-seed
Geography: US
Commits (14d): 1,050
Velocity change: -23%
Contributors: 7
New repos (30d): 2

zapplyjobs

Framework migration

Free job boards and career resources for students & new grads

Stage: Pre-seed
Geography: US
Commits (14d): 992
Velocity change: -27%
Contributors: 7
New repos (30d): 2

pneumaticapp

Framework migration

Unlimited Workflow Management

Stage: Seed
Geography: US
Commits (14d): 23
Velocity change: -36%
Contributors: 9
New repos (30d): 0

HeliosSoftware

Framework migration

Enterprise healthcare software providing practice management and electronic health record solutions.

Stage: Seed
Geography: US
Commits (14d): 62
Velocity change: -40%
Contributors: 14
New repos (30d): 0

Point72

Engineering hiring burst

Point72 is adata infrastructure series a/b startup based in US, rapidly expanding their engineering team.

Stage: Series A/B
Geography: US
Commits (14d): 3
Velocity change: -40%
Contributors: 22
New repos (30d): 0

slothflowlabs

Framework migration

We build high-performance technologies for analytics, AI, data engineering, and modern applications. Creator of Duckle.

Stage: Seed
Geography: US
Commits (14d): 53
Velocity change: -41%
Contributors: 8
New repos (30d): 0

towardsai

Engineering hiring burst

The leading AI community and content platform focused on making AI accessible to all.

Stage: Pre-seed
Geography: US
Commits (14d): 28
Velocity change: -42%
Contributors: 3
New repos (30d): 3

PostHog

Framework migration

The single platform to analyze, test, observe, and deploy new features

Stage: Growth
Geography: US
Commits (14d): 76
Velocity change: -43%
Contributors: 100
New repos (30d): 1

PostHog

Engineering hiring burst

The single platform to analyze, test, observe, and deploy new features

Stage: Growth
Geography: US
Commits (14d): 1,621
Velocity change: -45%
Contributors: 100
New repos (30d): 6

intershop

Framework migration

Intershop offers comprehensive Commerce APIs for B2B and B2C to create flexible solutions for digital commerce.

Stage: Growth
Geography: US
Commits (14d): 7
Velocity change: -46%
Contributors: 69
New repos (30d): 0

Submitty

Engineering hiring burst

Submitty Homework Submission Server

Stage: Growth
Geography: US
Commits (14d): 23
Velocity change: -48%
Contributors: 100
New repos (30d): 1

tuva-health

Infrastructure buildout

The community building the future of healthcare analytics

Stage: Series A/B
Geography: US
Commits (14d): 1
Velocity change: -50%
Contributors: 48
New repos (30d): 3

medplum

Framework migration

Healthcare infrastructure

Stage: Growth
Geography: US
Commits (14d): 44
Velocity change: -56%
Contributors: 100
New repos (30d): 2

learning-commons-org

Framework migration

Learning Commons provides AI infrastructure to scale proven learning practices to reach every learner.

Stage: Seed
Geography: US
Commits (14d): 4
Velocity change: -56%
Contributors: 9
New repos (30d): 1

SeismicSystems

Engineering hiring burst

A privacy enabled blockchain for fintechs.

Stage: Growth
Geography: US
Commits (14d): 4
Velocity change: -56%
Contributors: 100
New repos (30d): 1

How to read these rankings

We rank each company on public GitHub activity, never on press releases or fundraise announcements. The primary signal is commit velocity change: the percentage change in total commits to a company's most active public repository over a rolling 14-day window, measured against its own trailing baseline. Sustained acceleration has historically preceded fundraise announcements by three to six weeks.

We surface three supporting primitives alongside velocity. Contributor influx counts new committers in the trailing four weeks; a hiring burst often follows a fresh round. Repository creation pulse counts new public repositories shipped in the trailing eight weeks, a leading indicator of platform expansion. Language bias drift flags when a new primary language appears in production code, which often marks a pivot or scale-up.

Use this directory to source and to validate. For sourcing, scan the top of each page for the fastest-accelerating teams, then open their profiles to read the full signal. For validation, look up a company you already know and compare its trajectory against the broader sector distribution. No single metric is a buy signal; always cross-reference with Crunchbase, hiring activity, and community mentions before acting.

Signal types

Engineering hiring burst marks rapid team expansion, often following a funding round.
Infrastructure buildout marks new repository creation, indicating platform investment and product expansion.
Deploy frequency spike marks an accelerated shipping cadence, often seen before a public launch.
Framework migration marks a technology stack transition, which often precedes a pivot or platform upgrade.

Data source and methodology

Every number links back to public GitHub activity and refreshes weekly. The full methodology, including the six-signal panel and its empirical tie to fundraise probability, is published on the methodology page. The underlying SSRN preprint is 6606558, and a CC BY 4.0 machine-readable dataset is available on the dataset page. We track only self-published public GitHub organizations, never private repositories or inferred profiles.

About this signal

VC Deal Flow Signal is a free public dataset that treats GitHub engineering acceleration as a leading indicator of startup momentum. It exists for Corp Dev teams, PE operating partners, and emerging managers who want to see momentum before a round is announced rather than after. Every company in this directory has a self-published public GitHub organization, and every ranking number links back to the public repository behind it. The dataset is updated weekly and is independent of any incumbent venture platform.