GitDealFlowsignals

Q3 2026 · Series A / Series B

Series A / Series B Startups Showing Engineering Acceleration

Growth-stage technical startups that have closed institutional rounds. Engineering signals at this stage are less about discovery and more about validation of trajectory. Currently tracking 91 series a / series b startups across 15 sectors. ere-health leads with 1 commits over 14 days (+999%).

How fast are series a / series b startups shipping in Q3 2026?

We rank 91 series a / series b startups by GitHub engineering acceleration for Q3 2026. ere-health tops the list at 1 commits per 14-day window (+999%), against a cohort average of 27commits. The most common breakout pattern this period is “Deceleration”. Rankings refresh weekly and every number links back to a public GitHub source.

Commit velocityis the number of commits a startup’s public repositories receive over a rolling 14-day window, used here as a proxy for engineering throughput. A rising velocity paired with contributor growth is the earliest public signal that a series a / series b team is scaling ahead of a fundraise.

Investor insight

At Series A/B, engineering acceleration is a trajectory signal rather than a discovery signal. A hiring burst or platform buildout often precedes the next round. Institutional investors use these signals to prioritize outreach and refine conviction before a lead term sheet.

Which sectors have the most series a / series b startups?

Which series a / series b startups are accelerating fastest on GitHub in Q3 2026?

#CompanyStageCommits (14d)ChangeContributorsSignal
1ere-health

der virtuelle E-Rezept Drucker

View signal profile →
Series A/B1+999%30Deploy frequency spike
2tuva-health

The community building the future of healthcare analytics

View signal profile →
Series A/B3+999%48Infrastructure buildout
3The-Mu-Foundation

Non-profit, startup, free, adaptive, science-based trainer

View signal profile →
Series A/B2+999%22Deploy frequency spike
4swellstores

Sell creatively

View signal profile →
Series A/B2+999%29Engineering hiring burst
5vanilophp

Truly Laravel E-commerce Framework

View signal profile →
Series A/B1+999%22Deploy frequency spike
6wevm

TypeScript tools for the frontier

View signal profile →
Series A/B5+999%21Deploy frequency spike
7margelo

High-end App Development Agency focused on React Native.

View signal profile →
Series A/B1+999%40Deploy frequency spike
8saas-js

saas js is aenterprise saas series a/b startup, shipping product updates at an accelerated pace.

View signal profile →
Series A/B11+999%37Deploy frequency spike
9ohs-foundation

This is the technical home for the OHS Software Foundation (a Linux Foundation project currently under formation)

View signal profile →
Series A/B2+999%28Infrastructure buildout
10eclipse-zenoh

Pub/sub/query protocol for edge computing providing zero-overhead data routing across distributed systems.

View signal profile →
Series A/B7+999%44Engineering hiring burst
11gbionics

Amplifying humans

View signal profile →
Series A/B4+999%23Infrastructure buildout
12ever-co

The Everything Platform for Businesses™

View signal profile →
Series A/B5+999%34Deploy frequency spike
13Fields2Cover

Autonomous agricultural robotics planning library for optimal coverage path generation in precision farming.

View signal profile →
Series A/B5+999%22Engineering hiring burst
14game-ci

Open source continuous integration for games

View signal profile →
Series A/B1+999%40Deploy frequency spike
15ossimlabs

Collection of repositories comprising the OSSIM and OMAR projects. Make sure you clone "ossim" repository first!

View signal profile →
Series A/B1+999%34Deploy frequency spike
16daccotta-org

A social network for movies

View signal profile →
Series A/B6+999%28Deploy frequency spike
17ConduitIO

Real-time data integration platform connecting databases, services, and message queues through a unified streaming pipeline.

View signal profile →
Series A/B73+421%23Engineering hiring burst
18neuml

NeuML is the company behind txtai, one of the most popular open-source AI frameworks in the world.

View signal profile →
Series A/B25+400%26Deploy frequency spike
19NASA-AMMOS

Administrator contacts: Aniwat.Nik.Sheurpukdi@jpl.nasa.gov and shawn.n.nguyen@jpl.nasa.gov. For AMMOS software tech su

View signal profile →
Series A/B46+360%40Deploy frequency spike
20VismaLietuva

View signal profile →
Series A/B18+350%32Deploy frequency spike
21NBlood

Reverse-engineered ports of Build games using EDuke32 engine technology and development principles (NBlood/Rednukem/PCEx

View signal profile →
Series A/B8+300%45Engineering hiring burst
22nfdi4plants

Services and infrastructures to support #FAIRData science and good data management practices within the plant basic rese

View signal profile →
Series A/B27+200%32Engineering hiring burst
23beikeshop

BeikeShop is a free and open-source e-commerce system

View signal profile →
Series A/B3+200%21Engineering hiring burst
24orbiternassp

View signal profile →
Series A/B6+200%37Deploy frequency spike
25OpnForm

A modern open-source form builder

View signal profile →
Series A/B18+157%32Deploy frequency spike
26odpi

LF AI & Data is an umbrella foundation,artificial intelligence, machine learning, deep learning, and data.

View signal profile →
Series A/B5+150%30Deploy frequency spike
27tutors-sdk

A collection of open source components & services supporting the creation of transformative learning experiences using o

View signal profile →
Series A/B27+145%21Engineering hiring burst
28mx-space

混合空间 Mix Space

View signal profile →
Series A/B130+141%27Framework migration
29spedas

Space Physics Environment Data Analysis Software

View signal profile →
Series A/B27+80%39Engineering hiring burst
30aptos-labs

Layer-1 blockchain platform built with the Move programming language, focused on safety and scalability for DeFi applications.

View signal profile →
Series A/B7+75%296Framework migration
31gurkenlabs

Two Bavarian brothers, one goal: Create the purest, most comprehensible Java 2D game engine out there.

View signal profile →
Series A/B5+67%31Framework migration
32eclipse-zenoh

View signal profile →
Series A/B13+63%45Engineering hiring burst
33rspatial

The R packages terra, luna, raster, geosphere and friends. See "github.com/r-spatial" for "sf" c.s.

View signal profile →
Series A/B32+52%49Framework migration
34OpenCyphal

Open technology for real-time intravehicular distributed computing and communication based on modern networking standard

View signal profile →
Series A/B3+50%24Engineering hiring burst
35evershopcommerce

Open-Source NodeJS Ecommerce Platform

View signal profile →
Series A/B30+36%46Engineering hiring burst
36elodin-sys

View signal profile →
Series A/B16+33%20Framework migration
37Mininglamp-OSS

Open-source AI-native collaboration platform, where humans and AI Agents work as one team.

View signal profile →
Series A/B43+30%22Framework migration
38Vacademy-io

Vacademy io is aedtech series a/b startup based in APAC, modernizing their technology stack for scale.

View signal profile →
Series A/B425+29%23Framework migration
39third-culture-software

third culture software is ahealthcare series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B25+19%28Framework migration
40castle-engine

Cross-platform (desktop, mobile, console, web) 3D and 2D game engine supporting many asset formats (glTF, X3D, Spine...)

View signal profile →
Series A/B28+8%24Framework migration
41simpledotorg

The fast, free app for clinicians to track patients with high blood pressure and diabetes.

View signal profile →
Series A/B1+0%37Framework migration
42cran-task-views

CRAN task views aim to provide some guidance which packages on CRAN are relevant for tasks related to a certain topic.

View signal profile →
Series A/B1+0%25Engineering hiring burst
43Zipstack

Zipstack is adata infrastructure series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B13-7%30Deceleration
44gosqasorg

Global Open Source Quality Assurance System

View signal profile →
Series A/B16-11%24Deceleration
45langchain-ai

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

View signal profile →
Series A/B59-11%467Deceleration
46classroomio

The Open Source Customer/Employee Training Software

View signal profile →
Series A/B45-12%30Deceleration
47SFDigitalServices

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

View signal profile →
Series A/B20-13%35Deceleration
48calagopus

View signal profile →
Series A/B60-13%26Deceleration
49qualcomm

At Qualcomm Technologies, Inc., we transform how the world connects, computes and communicates.

View signal profile →
Series A/B40-15%39Deceleration
50TheXTech

International community of TheXTech project developers, part of WohlSoft Team

View signal profile →
Series A/B34-21%33Deceleration
51DSACMS

Digital Service at CMS

View signal profile →
Series A/B30-23%31Deceleration
52aureuserp

The powerful Open Source ERP platform built on Laravel to optimize and streamline your business operations.

View signal profile →
Series A/B44-23%20Deceleration
53DoliCloud

DoliCloud, is the 1st SaaS provider of Dolibarr ERP CRM

View signal profile →
Series A/B9-31%22Deceleration
54horilla

horilla is ahr tech series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B4-33%47Deceleration
55bloom-housing

A framework for modern software to power affordable housing.

View signal profile →
Series A/B11-35%40Deceleration
56canton-network

canton network is aweb3 series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B51-36%43Deceleration
57estuary

estuary is adata infrastructure series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B38-36%37Deceleration
58Point72

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

View signal profile →
Series A/B3-40%22Deceleration
59bitcoin-dev-project

100% free and open-source resources for bitcoin devs. bitcoin + FOSS = ₿OSS

View signal profile →
Series A/B7-42%26Deceleration
60drt-hub

drt hub is adata infrastructure series a/b startup based in APAC, modernizing their technology stack for scale.

View signal profile →
Series A/B28-42%30Deceleration
61BuilderIO

Visual development platform enabling teams to build and optimize digital experiences with a headless CMS and drag-and-drop editor.

View signal profile →
Series A/B294-45%40Deceleration
62pluginsGLPI

Official GLPI Project Plugins organization

View signal profile →
Series A/B2-50%30Deceleration
63tuva-health

The community building the future of healthcare analytics

View signal profile →
Series A/B1-50%48Deceleration
64ryzom

Ryzom Core is the open-source project related to Ryzom Game. Managed by the Ryzom Core community. Visit https://gitlab.c

View signal profile →
Series A/B219-52%30Deceleration
65medulla-tech

Endpoint management solution

View signal profile →
Series A/B4-56%26Deceleration
66solana-foundation

Solana Foundation is a non-profit organization dedicated to the decentralization, resilience, and security of the Solana

View signal profile →
Series A/B3-57%39Deceleration
67rocketride-org

rocketride org is adata infrastructure series a/b startup based in US, modernizing their technology stack for scale.

View signal profile →
Series A/B28-57%45Deceleration
68copper-project

Home for copper-rs, the deterministic robot OS built in Rust.

View signal profile →
Series A/B16-57%34Deceleration
69samply

samply is ahealthcare series a/b startup, rapidly expanding their engineering team.

View signal profile →
Series A/B21-58%20Deceleration
70paradigmxyz

A research-driven technology investment firm.

View signal profile →
Series A/B61-58%29Deceleration
717-Blocks

We Make Software That Solves Pain‎ ‎‎Points

View signal profile →
Series A/B27-59%33Deceleration
72alloy-rs

Alloy implements high-performance, well-tested & documented libraries for interacting with Ethereum and other EVM-based

View signal profile →
Series A/B3-62%32Deceleration
73etewiah

A curated list of awesome real estate related resources and projects

View signal profile →
Series A/B1-67%24Deceleration
74gardener

Universal Kubernetes at Scale

View signal profile →
Series A/B3-70%33Deceleration
75opensensorhub

Java-based middleware for building better Sensor Webs and the Internet of Things

View signal profile →
Series A/B3-70%22Deceleration
76fedbiomed

Collaborative learning in heathcare

View signal profile →
Series A/B4-73%23Deceleration
77ai-shifu

ai shifu is aedtech series a/b startup based in APAC, modernizing their technology stack for scale.

View signal profile →
Series A/B33-74%21Deceleration
78opensource-socialnetwork

Social Networking CMS written in php similar to facebook

View signal profile →
Series A/B3-77%23Deceleration
79Official-MoonDao

MoonDAO is accelerating our multiplanetary future with an open platform to fund, collaborate, and compete on challenges

View signal profile →
Series A/B22-79%30Deceleration
80spectrocloud

Enterprise Kubernetes Management at Scale

View signal profile →
Series A/B1-80%38Deceleration
81PhotoFlare

View signal profile →
Series A/B5-80%21Deceleration
82masslight

masslight is ahealthcare series a/b startup, modernizing their technology stack for scale.

View signal profile →
Series A/B53-83%28Deceleration
83KyrptonaughtMC

Inventory Sorter for Minecraft

View signal profile →
Series A/B2-83%24Deceleration
84ar-io

All source code for ar.io; the global network, protocol, and currency that enables the permaweb.

View signal profile →
Series A/B12-83%25Deceleration
85subsquid

Blockchain data infrastructure for Web3 developers: validated data across 225+ networks plus the Squid SDK and Pipes SDK

View signal profile →
Series A/B11-83%40Deceleration
86nasa-jpl

A world leader in the robotic exploration of space

View signal profile →
Series A/B9-85%26Deceleration
87haxtheweb

Tools

View signal profile →
Series A/B5-90%42Deceleration
88Official-MoonDao

MoonDAO is accelerating our multiplanetary future with an open platform to fund, collaborate, and compete on challenges

View signal profile →
Series A/B8-91%30Deceleration
89goodrain

Rainbond is Cloud Native apps manage platform, Make apps manage and apps delivery easier. Rainbond is open source produc

View signal profile →
Series A/B2-92%20Deceleration
90Open-Cap-Table-Coalition

Open Cap Table Coalition is alegal tech series a/b startup, rapidly expanding their engineering team.

View signal profile →
Series A/B1-92%20Deceleration
91learnhouse

The modern Open source learning platform for everyone.

View signal profile →
Series A/B5-93%35Deceleration
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). Stage from contributor count + enrichment data. Last updated Q3 2026.

Five breakout startups, every Sunday, before the round gets crowded

The free Acceleration Watch: five venture-backed teams accelerating on the engineering signal, translated into plain English, 21 to 47 days before the deck circulates. No code-reading, no card.

Signed The Data Nerd · pseudonymous narrator · methodology over personality

Frequently Asked Questions

Which series a / series b startups are showing the strongest engineering signals in Q3 2026?

In Q3 2026, ere-health (Healthcare) leads series a / series b startups with 1 commits over a rolling 14-day window (+999% change) and 30 active contributors. Across all 91 tracked series a / series b startups, the average 14-day commit velocity is 27 commits. The dominant engineering signal pattern is "Deceleration".

What should investors look for in series a / series b engineering signals?

At Series A/B, engineering acceleration is a trajectory signal rather than a discovery signal. A hiring burst or platform buildout often precedes the next round. Institutional investors use these signals to prioritize outreach and refine conviction before a lead term sheet.

Which sectors have the most series a / series b activity?

In Q3 2026, the top sectors by series a / series b startup count are EdTech (11), Data Infrastructure (10), Space Tech (10), Web3 (9), Healthcare (8). Each sector page has its own ranked list and sector-specific context.

How is stage determined in these rankings?

Stage is derived from contributor count, team-size enrichment data, and funding history where publicly available. Stage classifications use broad buckets (Pre-Seed, Seed, Series A/B, Growth) to provide meaningful sample sizes. These are estimates, always verify independently before any investment action.

Other stages

🚀 Explore Our Network

21-47 days
Signal Lead Time (median 31d)
$80M+
Rounds Tracked
90 sec
Per Scan
5,000+
Founders Tracked

One missed signal is a missed round. Get the Velocity Verdict in your inbox every Sunday free.

Get Free Signals

Free weekly digest. Cancel anytime. No spam, no VC pitches just data.