GitDealFlowsignals

Q3 2026 · Seed · Deceleration

Seed Startups Showing Deceleration

47 seed-stage startups currently classify under the deceleration signal in Q3 2026. opengeos (PropTech) leads with 176 commits over 14 days (-4%). Startups whose 14-day commit velocity fell versus the prior window, a measurable slowdown that can mean a shipped milestone, a team transition, or a strategic pivot.

Deceleration signal data last verified:

Investor insight

Seed-stage acceleration is the sweet spot for scouts and solo GPs. Deploy-frequency spikes and infrastructure buildouts at this stage usually precede the Series A announcement by 6-12 weeks. The window to get in before the round is competitive is narrow but real. Deceleration is not automatically a red flag. A team that just shipped a major release often slows down to regroup. Read it alongside contributor growth and new repositories: falling velocity with stable or rising contributors usually means a finished push, while falling velocity and falling contributors together can flag turnover or a stalled roadmap.

Which sectors do these deceleration startups span?

Which seed-stage startups are showing deceleration in Q3 2026?

#CompanyStageCommits (14d)ChangeContributorsSignal
1opengeos

A collection of open-source software packages for the geospatial community

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Seed176-4%12Deceleration
2crownengine

Crown is a complete and cross-platform game engine designed for flexibility, performance and fast iteration.

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Seed59-6%14Deceleration
3unacms

Unified Networking Applications

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Seed50-11%11Deceleration
4baizhiheizi

baizhiheizi is aweb3 seed startup, rapidly expanding their engineering team.

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Seed91-16%8Deceleration
5OpenOLAT

Open Source Learning Management System written in Java

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Seed121-17%16Deceleration
6Lifecycle-Innovations-Limited

Your Personal Health Coach for iOS

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Seed22-21%12Deceleration
7rocky-data

SQL transformation engine built in Rust

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Seed76-21%9Deceleration
8healthchainai

Building developer tools and for the next generation of healthcare AI applications.

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Seed8-27%14Deceleration
9phamos-eu

Implementing, Consulting and Developing ERPNext

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Seed33-28%18Deceleration
10DataSQRL

Build with Data

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Seed19-30%14Deceleration
11tradingstrategy-ai

Algorithmic trading strategy framework for decentralised markets

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Seed82-32%15Deceleration
12hpi-studyu

hpi studyu is ahealthcare seed startup based in EU, rapidly expanding their engineering team.

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Seed35-33%17Deceleration
13PastVu

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Seed13-35%11Deceleration
14gofractally

innovating independence tech

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Seed28-36%13Deceleration
15pneumaticapp

Unlimited Workflow Management

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Seed23-36%9Deceleration
16PCGEx

PCGEx Ecosystem

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Seed28-39%12Deceleration
17HeliosSoftware

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

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Seed62-40%14Deceleration
18slothflowlabs

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

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Seed53-41%8Deceleration
19constructorfabric

A unified fabric that automates the entire XaaS software development lifecycle from planning to building to running ser

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Seed101-43%16Deceleration
20WillowInc

Operational AI for the real world

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Seed10-44%14Deceleration
21cryostatio

JDK Flight Recorder for Kubernetes

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Seed7-46%10Deceleration
22Adyen

Global payments platform processing online, mobile, and in-store transactions for enterprise merchants.

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Seed16-47%13Deceleration
23Grashjs

Asset and maintenance management software for industrial teams, powering the Atlas CMMS platform.

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Seed35-49%11Deceleration
24MahoCommerce

Maho Commerce is ae-commerce infrastructure seed startup, modernizing their technology stack for scale.

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Seed14-50%13Deceleration
25Cla-Code-Community

Developer education platform providing coding bootcamps, mentorship, and open-source contribution programs.

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Seed10-50%16Deceleration
26openlinker-project

openlinker project is ae-commerce infrastructure seed startup, modernizing their technology stack for scale.

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Seed51-51%8Deceleration
27mugnavo

Modern web products built with care.

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Seed6-54%10Deceleration
28lomiafrica

The open-source payment processing platform powering West African businesses.

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Seed61-55%9Deceleration
29learning-commons-org

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

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Seed4-56%9Deceleration
30temporalio

Open source durable execution system. Write code that’s fault tolerant, durable, and simple.

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Seed10-58%285Deceleration
31innate-inc

Physical AI Agents

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Seed52-58%15Deceleration
32exactly

exactly protocol is a decentralized, non-custodial and autonomous marketplace for depositing and borrowing crypto assets

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Seed9-61%11Deceleration
33FreedomIntelligence

Healthcare AI platform enabling secure federated learning and privacy-preserving medical data collaboration.

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Seed35-62%16Deceleration
34Black-Tek

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Seed9-62%17Deceleration
35iblai

Sovereign AI infrastructure to build your agents and apps. You own all the code and data for privacy, security and contr

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Seed56-64%11Deceleration
36iblai

Sovereign AI infrastructure to build your agents and apps. You own all the code and data for privacy, security and contr

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Seed46-65%11Deceleration
37kuestcom

Launch Your Own Decentralized Prediction Market in Minutes

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Seed35-65%10Deceleration
38ecomplus

Long tail eCommerce solution 🛍 Headless yet easy to use platform joining SaaS convenience with open source freedom

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Seed1-67%10Deceleration
39nats-io

NATS is a simple, secure and performant communications system and data layer for digital systems, services and devices.

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Seed2-67%193Deceleration
40the-momentum

Building scalable, secure, and compliant healthtech solutions. We empower startups and scaleups to innovate and grow and

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Seed3-73%9Deceleration
41thunder-engine

An open source game engine is written in C++ with a flexible architecture

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Seed4-75%17Deceleration
42elimu-ai

Free open-source learning software for out-of-school children 🚀✨

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Seed8-77%12Deceleration
43heroiclabs

Social infrastructure for games and apps.

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Seed1-80%18Deceleration
44learningeconomy

Agency & Opportunity For All

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Seed14-84%15Deceleration
45pneumaticapp

Unlimited Workflow Management

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Seed4-89%8Deceleration
46Epic-Breakfast-Productions

Developing tools that help people improve the quality of life for themselves and others.

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Seed2-92%16Deceleration
47FoodOntology

FoodOn, an OBOFoundry ontology, represents organism food sources, food products and other facet descriptors for human an

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Seed1-93%12Deceleration
Powered by VC Deal Flow Signal , real-time GitHub engineering data for investorsData from public GitHub API

Sorted by commit velocity change (14-day window). Last updated Q3 2026.

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Frequently Asked Questions

Which seed-stage startups are showing deceleration in Q3 2026?

47 seed-stage startups currently classify under the deceleration signal in Q3 2026. opengeos (PropTech) leads with 176 commits over 14 days (-4% change) and 12 active contributors.

What does deceleration mean at seed stage?

Startups whose 14-day commit velocity fell versus the prior window, a measurable slowdown that can mean a shipped milestone, a team transition, or a strategic pivot. Deceleration is not automatically a red flag. A team that just shipped a major release often slows down to regroup. Read it alongside contributor growth and new repositories: falling velocity with stable or rising contributors usually means a finished push, while falling velocity and falling contributors together can flag turnover or a stalled roadmap.

Why is seed the right stage to watch for this signal?

Seed-stage acceleration is the sweet spot for scouts and solo GPs. Deploy-frequency spikes and infrastructure buildouts at this stage usually precede the Series A announcement by 6-12 weeks. The window to get in before the round is competitive is narrow but real.

See Also

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