Series B+ Startups — Growth-Stage Engineering Teams
Q3 2026 · 184 startups tracked · Updated weekly from public GitHub data
Why Track Series B+ Startups
Series B+ startups represent a critical cohort for investors monitoring engineering velocity. At this stage, teams are building core product, establishing engineering culture, and demonstrating repeatable shipping cadence. GitDealFlow tracks 184 series b+ companies across 15 sectors and multiple geographies, providing real-time visibility into which teams are accelerating their development efforts before fundraising events.
All 184 Series B+ Startups
| Name | Description | Stage | Sector | Geography | 14d Commits | Velocity Change | Contributors | Signal Type |
|---|---|---|---|---|---|---|---|---|
| ere-health | der virtuelle E-Rezept Drucker | Series A/B | Healthcare | EU | 1 | +999% | 30 | Deploy frequency spike |
| tuva-health | The community building the future of healthcare analytics | Series A/B | Healthcare | US | 3 | +999% | 48 | Infrastructure buildout |
| neuml | NeuML is the company behind txtai, one of the most popular open-source AI frameworks in the world. | Series A/B | Healthcare | Unknown | 25 | +400% | 26 | Deploy frequency spike |
| third-culture-software | Series A/B | Healthcare | Unknown | 25 | +19% | 28 | Framework migration | |
| pharmaverse | Growth | Healthcare | EU | 2 | +0% | 97 | Framework migration | |
| simpledotorg | The fast, free app for clinicians to track patients with high blood pressure and diabetes. | Series A/B | Healthcare | Unknown | 1 | +0% | 37 | Framework migration |
| sunlabuiuc | Growth | Healthcare | Unknown | 1 | -50% | 56 | Framework migration | |
| medplum | Healthcare infrastructure | Growth | Healthcare | US | 44 | -56% | 100 | Framework migration |
| samply | Series A/B | Healthcare | Unknown | 21 | -58% | 20 | Engineering hiring burst | |
| ohcnetwork | Opensource Public Utility | Open Healthcare Network | Growth | Healthcare | APAC | 11 | -61% | 100 | Infrastructure buildout |
| earthians | earthians Health Informatics Pvt. Ltd. | Growth | Healthcare | APAC | 18 | -62% | 86 | Engineering hiring burst |
| fedbiomed | Collaborative learning in heathcare | Series A/B | Healthcare | Unknown | 4 | -73% | 23 | Framework migration |
| masslight | Series A/B | Healthcare | Unknown | 53 | -83% | 28 | Framework migration | |
| hapifhir | This is the source home for the HAPI FHIR project. Note that we are in the progress of migrating ... | Growth | Healthcare | Unknown | 4 | -85% | 100 | Framework migration |
| The-Mu-Foundation | Non-profit, startup, free, adaptive, science-based trainer | Series A/B | EdTech | Unknown | 2 | +999% | 22 | Deploy frequency spike |
| ClassIsland | 一款适用于班级多媒体屏幕的课表的信息显示工具，可以一目了然地显示各种信息。 | Growth | EdTech | APAC | 5 | +400% | 56 | Deploy frequency spike |
| KDE | Official read-only mirror of the KDE project. Please don't send pull requests; to contribute code... | Growth | EdTech | Unknown | 5 | +400% | 100 | Deploy frequency spike |
| OpenCircuits | Online, free circuit designer | Growth | EdTech | US | 34 | +386% | 71 | Engineering hiring burst |
| nfdi4plants | Services and infrastructures to support #FAIRData science and good data management practices with... | Series A/B | EdTech | Unknown | 27 | +200% | 32 | Engineering hiring burst |
| tutors-sdk | A collection of open source components & services supporting the creation of transformative learn... | Series A/B | EdTech | Unknown | 27 | +145% | 21 | Engineering hiring burst |
| Vacademy-io | Series A/B | EdTech | APAC | 425 | +29% | 23 | Framework migration | |
| scribe-org | Open-source language solutions | Growth | EdTech | EU | 6 | +0% | 59 | Engineering hiring burst |
| sonic-pi-net | Sonic Pi Network | Growth | EdTech | Unknown | 94 | -8% | 100 | Engineering hiring burst |
| classroomio | The Open Source Customer/Employee Training Software | Series A/B | EdTech | Unknown | 45 | -12% | 30 | Framework migration |
| hpi-schul-cloud | Growth | EdTech | EU | 14 | -12% | 100 | Framework migration | |
| DSACMS | Digital Service at CMS | Series A/B | EdTech | US | 30 | -23% | 31 | Infrastructure buildout |
| hedyorg | Growth | EdTech | EU | 10 | -33% | 100 | Framework migration | |
| bitcoin-dev-project | 100% free and open-source resources for bitcoin devs. bitcoin + FOSS = ₿OSS | Series A/B | EdTech | Unknown | 7 | -42% | 26 | Framework migration |
| otter-sec | Blockchain consulting and audits | Growth | EdTech | Unknown | 9 | -47% | 100 | Framework migration |
| Submitty | Submitty Homework Submission Server | Growth | EdTech | US | 23 | -48% | 100 | Engineering hiring burst |
| ai-shifu | Series A/B | EdTech | APAC | 33 | -74% | 21 | Framework migration | |
| cpinitiative | We promote competitive programming among pre-college students through resources, competitions, cl... | Growth | EdTech | Unknown | 53 | -80% | 100 | Framework migration |
| spectrocloud | Enterprise Kubernetes Management at Scale | Series A/B | EdTech | US | 1 | -80% | 38 | Framework migration |
| haxtheweb | Tools | Series A/B | EdTech | US | 5 | -90% | 42 | Framework migration |
| learnhouse | The modern Open source learning platform for everyone. | Series A/B | EdTech | Unknown | 5 | -93% | 35 | Framework migration |
| swellstores | Sell creatively | Series A/B | E-commerce Infrastructure | US | 2 | +999% | 29 | Engineering hiring burst |
| vanilophp | Truly Laravel E-commerce Framework | Series A/B | E-commerce Infrastructure | EU | 1 | +999% | 22 | Deploy frequency spike |
| beikeshop | BeikeShop is a free and open-source e-commerce system | Series A/B | E-commerce Infrastructure | APAC | 3 | +200% | 21 | Engineering hiring burst |
| juspay | Design to simplify. Revolutionizing digital payments. | Growth | E-commerce Infrastructure | APAC | 100 | +113% | 65 | Framework migration |
| solidusio | Become the brand everyone talks about. | Growth | E-commerce Infrastructure | Unknown | 4 | +100% | 100 | Framework migration |
| evershopcommerce | Open-Source NodeJS Ecommerce Platform | Series A/B | E-commerce Infrastructure | Unknown | 30 | +36% | 46 | Engineering hiring burst |
| thirtybees | thirty bees is a free open source ecommerce platform dedicated to providing the features our user... | Growth | E-commerce Infrastructure | EU | 1 | +0% | 100 | Framework migration |
| saleor | The made-to-measure commerce API. Built for developers and agents. | Growth | E-commerce Infrastructure | Unknown | 22 | -12% | 100 | Framework migration |
| medusajs | Building blocks for digital commerce | Growth | E-commerce Infrastructure | US | 105 | -19% | 100 | Framework migration |
| tempoxyz | Tempo is the blockchain designed for payments. | Growth | E-commerce Infrastructure | Unknown | 42 | -45% | 72 | Infrastructure buildout |
| BuilderIO | Series A/B | E-commerce Infrastructure | Unknown | 294 | -45% | 40 | Engineering hiring burst | |
| intershop | Intershop offers comprehensive Commerce APIs for B2B and B2C to create flexible solutions for dig... | Growth | E-commerce Infrastructure | US | 7 | -46% | 69 | Framework migration |
| vendurehq | Headless Enterprise E-Commerce Platform built on an Open Source Core | Growth | E-commerce Infrastructure | Unknown | 32 | -54% | 100 | Framework migration |
| Paymenter | Open source gateway for hosting companies. | Growth | E-commerce Infrastructure | Unknown | 3 | -62% | 52 | Framework migration |
| OCSInventory-NG | Open Computers and Software Inventory Next Generation is an assets management and deployment solu... | Growth | Supply Chain | EU | 1 | +999% | 71 | Deploy frequency spike |
| Velocidex | Velocidex is the company behind Velociraptor - Dig Deeper! | Growth | Supply Chain | APAC | 7 | +999% | 100 | Deploy frequency spike |
| Part-DB | Open Source Electronic Parts Database using PHP and MySQL | Growth | Supply Chain | EU | 27 | +145% | 53 | Framework migration |
| gosqasorg | Global Open Source Quality Assurance System | Series A/B | Supply Chain | Unknown | 16 | -11% | 24 | Framework migration |
| aureuserp | The powerful Open Source ERP platform built on Laravel to optimize and streamline your business o... | Series A/B | Supply Chain | Unknown | 44 | -23% | 20 | Framework migration |
| pluginsGLPI | Official GLPI Project Plugins organization | Series A/B | Supply Chain | EU | 2 | -50% | 30 | Framework migration |
| medulla-tech | Endpoint management solution | Series A/B | Supply Chain | EU | 4 | -56% | 26 | Framework migration |
| ever-co | The Everything Platform for Businesses™ | Growth | Supply Chain | US | 35 | -75% | 80 | Engineering hiring burst |
| KyrptonaughtMC | Inventory Sorter for Minecraft | Series A/B | Supply Chain | Unknown | 2 | -83% | 24 | Framework migration |
| wevm | TypeScript tools for the frontier | Series A/B | Web3 | Unknown | 5 | +999% | 21 | Deploy frequency spike |
| margelo | High-end App Development Agency focused on React Native. | Series A/B | Web3 | Unknown | 1 | +999% | 40 | Deploy frequency spike |
| gochain | The web3 blockchain for enterprise. | Growth | Web3 | Unknown | 7 | +999% | 100 | Deploy frequency spike |
| aptos-labs | Series A/B | Web3 | Unknown | 7 | +75% | 46 | Framework migration | |
| immutable | Growth | Web3 | APAC | 7 | +40% | 84 | Framework migration | |
| argotorg | Building the critical infrastructure for Ethereum applications. | Growth | Web3 | Unknown | 32 | +10% | 100 | Framework migration |
| foundry-rs | Foundry is a blazing fast, portable and modular toolkit for Ethereum application development writ... | Growth | Web3 | Unknown | 8 | +0% | 91 | Framework migration |
| dfinity | The Internet Computer aims to reinvent the internet as a computer to host secure software and a n... | Growth | Web3 | EU | 14 | -18% | 61 | Framework migration |
| KyberNetwork | Kyber Network is a multi-chain crypto trading and liquidity hub that connects liquidity from diff... | Growth | Web3 | APAC | 23 | -18% | 57 | Infrastructure buildout |
| canton-network | Series A/B | Web3 | Unknown | 51 | -36% | 43 | Framework migration | |
| DimensionDev | Dimension official development organization | Growth | Web3 | Unknown | 13 | -38% | 71 | Engineering hiring burst |
| besu-eth | Besu, an LF Decentralized Trust project. | Growth | Web3 | Unknown | 24 | -41% | 100 | Framework migration |
| Consensys | Consensys is the software engineering leader of the blockchain space. Our full-stack Ethereum pro... | Growth | Web3 | Unknown | 24 | -41% | 100 | Framework migration |
| SeismicSystems | A privacy enabled blockchain for fintechs. | Growth | Web3 | US | 4 | -56% | 100 | Engineering hiring burst |
| solana-foundation | Solana Foundation is a non-profit organization dedicated to the decentralization, resilience, and... | Series A/B | Web3 | EU | 3 | -57% | 39 | Framework migration |
| paradigmxyz | A research-driven technology investment firm. | Series A/B | Web3 | Unknown | 61 | -58% | 29 | Engineering hiring burst |
| alloy-rs | Alloy implements high-performance, well-tested & documented libraries for interacting with Ethere... | Series A/B | Web3 | Unknown | 3 | -62% | 32 | Engineering hiring burst |
| IntersectMBO | Intersect is a member-based organization for the Cardano ecosystem — putting the community at the... | Growth | Web3 | US | 52 | -64% | 52 | Framework migration |
| CosmWasm | Secure Multi-Chain Smart Contracts on the Cosmos SDK | Growth | Web3 | Unknown | 4 | -73% | 100 | Engineering hiring burst |
| Official-MoonDao | MoonDAO is accelerating our multiplanetary future with an open platform to fund, collaborate, and... | Series A/B | Web3 | Unknown | 22 | -79% | 30 | Framework migration |
| ChainSafe | Building the infrastructure for web3. | Growth | Web3 | Canada | 19 | -82% | 100 | Infrastructure buildout |
| ar-io | All source code for ar.io; the global network, protocol, and currency that enables the permaweb. | Series A/B | Web3 | Unknown | 12 | -83% | 25 | Infrastructure buildout |
| onflow | A fast, secure, and developer-friendly blockchain built to support the next generation of games, ... | Growth | Web3 | Unknown | 6 | -85% | 99 | Framework migration |
| status-im | The open source, decentralised crypto communication super app. Communities, Messenger, Wallet, B... | Growth | Web3 | EU | 5 | -89% | 100 | Framework migration |
| saas-js | Series A/B | Enterprise SaaS | Unknown | 11 | +999% | 37 | Deploy frequency spike | |
| OpnForm | A modern open-source form builder | Series A/B | Enterprise SaaS | EU | 18 | +157% | 32 | Deploy frequency spike |
| temporalio | Open source durable execution system. Write code that’s fault tolerant, durable, and simple. | Growth | Enterprise SaaS | Unknown | 74 | +32% | 100 | Framework migration |
| langchain-ai | Series A/B | Enterprise SaaS | US | 59 | -11% | 39 | Framework migration | |
| DoliCloud | DoliCloud, is the 1st SaaS provider of Dolibarr ERP CRM | Series A/B | Enterprise SaaS | EU | 9 | -31% | 22 | Framework migration |
| open-condo-software | Growth | Enterprise SaaS | LATAM | 24 | -55% | 50 | Framework migration | |
| wasp-lang | Batteries included full-stack framework for React, Node.js and Prisma. | Growth | Enterprise SaaS | Unknown | 16 | -61% | 100 | Infrastructure buildout |
| archtechx | Meticulously architected web applications. | Growth | Enterprise SaaS | Unknown | 2 | -67% | 71 | Framework migration |
| jmix-framework | Growth | Enterprise SaaS | Unknown | 9 | -69% | 84 | Framework migration | |
| ParabolInc | Tools for building better teams | Growth | Enterprise SaaS | US | 5 | -71% | 78 | Framework migration |
| ever-co | The Everything Platform for Businesses™ | Growth | Enterprise SaaS | US | 35 | -75% | 80 | Engineering hiring burst |
| zenstackhq | Build scalable web apps with minimum code | Growth | Enterprise SaaS | US | 1 | -86% | 78 | Framework migration |
| goodrain | Rainbond is Cloud Native apps manage platform, Make apps manage and apps delivery easier. Rainbon... | Series A/B | Enterprise SaaS | APAC | 2 | -92% | 20 | Framework migration |
| ohs-foundation | This is the technical home for the OHS Software Foundation (a Linux Foundation project currently ... | Series A/B | Data Infrastructure | Unknown | 2 | +999% | 28 | Infrastructure buildout |
| ConduitIO | Series A/B | Data Infrastructure | Unknown | 73 | +421% | 23 | Engineering hiring burst | |
| datajuicer | Data processing for and with large models. | Growth | Data Infrastructure | Unknown | 9 | +350% | 51 | Engineering hiring burst |
| odpi | LF AI & Data is an umbrella foundation,artificial intelligence, machine learning, deep learning, ... | Series A/B | Data Infrastructure | Unknown | 5 | +150% | 30 | Deploy frequency spike |
| ClickHouse | The leading database for AI | Growth | Data Infrastructure | US | 27 | +17% | 100 | Engineering hiring burst |
| airbytehq | Open source data replication platform and context layer for AI agents. | Growth | Data Infrastructure | US | 1031 | +9% | 100 | Engineering hiring burst |
| Zipstack | Series A/B | Data Infrastructure | Unknown | 13 | -7% | 30 | Framework migration | |
| scribe-org | Open-source language solutions | Growth | Data Infrastructure | EU | 7 | -12% | 61 | Engineering hiring burst |
| rudderlabs | Steer your Customer Data | Growth | Data Infrastructure | US | 17 | -23% | 100 | Framework migration |
| opensearch-project | OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that... | Growth | Data Infrastructure | Unknown | 23 | -30% | 100 | Framework migration |
| dbt-labs | dbt helps data teams work like software engineers—to ship trusted data, faster. | Growth | Data Infrastructure | Unknown | 99 | -31% | 100 | Framework migration |
| langfuse | Open source AI engineering platform. Debug, analyze and iterate together. | Growth | Data Infrastructure | Unknown | 78 | -34% | 100 | Engineering hiring burst |
| estuary | Series A/B | Data Infrastructure | Unknown | 38 | -36% | 37 | Framework migration | |
| dagucloud | Local-first data pipeline orchestration for scripts, SQL, containers, and private infrastructure.... | Growth | Data Infrastructure | Unknown | 23 | -36% | 77 | Framework migration |
| Point72 | Series A/B | Data Infrastructure | US | 3 | -40% | 22 | Engineering hiring burst | |
| drt-hub | Series A/B | Data Infrastructure | APAC | 28 | -42% | 30 | Framework migration | |
| SigNoz | Open source Observability Platform | Growth | Data Infrastructure | Unknown | 33 | -45% | 100 | Framework migration |
| PostHog | The single platform to analyze, test, observe, and deploy new features | Growth | Data Infrastructure | US | 1621 | -45% | 100 | Engineering hiring burst |
| open-telemetry | OpenTelemetry makes robust, portable telemetry a built-in feature of cloud-native software. | Growth | Data Infrastructure | Unknown | 22 | -48% | 100 | Framework migration |
| tuva-health | The community building the future of healthcare analytics | Series A/B | Data Infrastructure | US | 1 | -50% | 48 | Infrastructure buildout |
| debezium | Distributed open source platform for change data capture | Growth | Data Infrastructure | Unknown | 54 | -56% | 100 | Framework migration |
| rocketride-org | Series A/B | Data Infrastructure | US | 28 | -57% | 45 | Framework migration | |
| cilium | eBPF-based Networking, Security, and Observability | Growth | Data Infrastructure | Unknown | 82 | -63% | 100 | Framework migration |
| redpanda-data | The streaming data platform for developers | Growth | Data Infrastructure | US | 91 | -71% | 100 | Framework migration |
| subsquid | Blockchain data infrastructure for Web3 developers: validated data across 225+ networks plus the ... | Series A/B | Data Infrastructure | Unknown | 11 | -83% | 40 | Engineering hiring burst |
| eclipse-zenoh | Series A/B | Robotics | Unknown | 7 | +999% | 44 | Engineering hiring burst | |
| gbionics | Amplifying humans | Series A/B | Robotics | Unknown | 4 | +999% | 26 | Infrastructure buildout |
| commaai | Building the Android of self-driving cars | Growth | Robotics | Unknown | 52 | +24% | 100 | Framework migration |
| ros-navigation | ROS Navigation Stack | Growth | Robotics | US | 10 | +0% | 100 | Framework migration |
| newton-physics | GitHub organization of the Linux Foundation Newton project. | Growth | Robotics | Unknown | 62 | -35% | 83 | Framework migration |
| rerun-io | The data layer for physical AI. Log, query, visualize, and stream to training on shared columnar ... | Growth | Robotics | EU | 57 | -37% | 100 | Infrastructure buildout |
| autowarefoundation | Open-source software for self-driving vehicles | Growth | Robotics | Unknown | 63 | -48% | 100 | Framework migration |
| livekit | Open source WebRTC and realtime AI infrastructure | Growth | Robotics | Unknown | 13 | -50% | 74 | Framework migration |
| copper-project | Home for copper-rs, the deterministic robot OS built in Rust. | Series A/B | Robotics | US | 16 | -57% | 34 | Infrastructure buildout |
| ihmcrobotics | IHMC Robotics Lab on GitHub | Growth | Robotics | Unknown | 4 | -60% | 79 | Engineering hiring burst |
| cyberbotics | Developers of Webots | Growth | Robotics | US | 1 | -80% | 100 | Engineering hiring burst |
| borglab | GTSAM is a library of C++ classes that implement smoothing and mapping (SAM) in robotics and visi... | Growth | Robotics | Unknown | 3 | -96% | 100 | Framework migration |
| licensee | A Ruby Gem to detect under what license a project is distributed. | Growth | Legal Tech | Unknown | 16 | +100% | 60 | Framework migration |
| AdguardTeam | Growth | Legal Tech | Unknown | 643 | -31% | 100 | Framework migration | |
| gardener | Universal Kubernetes at Scale | Series A/B | Legal Tech | EU | 3 | -70% | 33 | Framework migration |
| finos | FINOS’ mission is to promote open innovation in financial services. See our full list of repos fr... | Growth | Legal Tech | Unknown | 4 | -75% | 52 | Framework migration |
| Open-Cap-Table-Coalition | Series A/B | Legal Tech | Unknown | 1 | -92% | 20 | Engineering hiring burst | |
| ever-co | The Everything Platform for Businesses™ | Series A/B | HR Tech | US | 5 | +999% | 34 | Deploy frequency spike |
| akaunting | Online accounting software. Manage your money. Get invoices paid. Track expenses. | Growth | HR Tech | Unknown | 36 | +16% | 100 | Engineering hiring burst |
| horilla | Series A/B | HR Tech | Unknown | 4 | -33% | 47 | Framework migration | |
| PostHog | The single platform to analyze, test, observe, and deploy new features | Growth | HR Tech | US | 76 | -43% | 100 | Framework migration |
| wp-erp | An Open Source ERP Solution for WordPress | Growth | HR Tech | Unknown | 4 | -64% | 59 | Framework migration |
| etewiah | Create a fully featured real estate website on Rails in minutes! ⛺ | Series A/B | PropTech | Unknown | 5 | +999% | 22 | Engineering hiring burst |
| bloom-housing | A framework for modern software to power affordable housing. | Series A/B | PropTech | Unknown | 19 | +58% | 40 | Engineering hiring burst |
| SFDigitalServices | San Francisco’s Digital Services Team is committed to transforming the public experience of City ... | Series A/B | PropTech | US | 12 | +0% | 35 | Framework migration |
| open-condo-software | Growth | PropTech | LATAM | 44 | -17% | 50 | Framework migration | |
| orangecoding | ❤️ Fredy - [F]ind [R]eal [E]state [D]amn Eas[y] - Fredy keeps searching for new apartments, house... | Series A/B | PropTech | Unknown | 4 | -56% | 43 | Framework migration |
| PhotoFlare | Series A/B | AgTech | Unknown | 17 | +1600% | 21 | Deploy frequency spike | |
| Fields2Cover | Series A/B | AgTech | EU | 5 | +999% | 22 | Engineering hiring burst | |
| rspatial | The R packages terra, luna, raster, geosphere and friends. See "github.com/r-spatial" for "sf" c.s. | Series A/B | AgTech | Unknown | 32 | +52% | 49 | Framework migration |
| LiteFarmOrg | Growth | AgTech | Canada | 186 | +49% | 65 | Framework migration | |
| o3de | Growth | AgTech | Unknown | 34 | +10% | 100 | Engineering hiring burst | |
| bevyengine | A modular game engine built in Rust, with a focus on developer productivity and performance | Growth | Gaming | US | 147 | +167% | 100 | Deploy frequency spike |
| gurkenlabs | Two Bavarian brothers, one goal: Create the purest, most comprehensible Java 2D game engine out t... | Series A/B | Gaming | EU | 5 | +67% | 31 | Framework migration |
| boardgameio | State Management and Multiplayer Networking for Turn-Based Games | Growth | Gaming | Unknown | 7 | +40% | 100 | Framework migration |
| castle-engine | Cross-platform (desktop, mobile, console, web) 3D and 2D game engine supporting many asset format... | Series A/B | Gaming | Unknown | 28 | +8% | 24 | Framework migration |
| phase-rs | Growth | Gaming | US | 715 | +6% | 88 | Framework migration | |
| TheXTech | International community of TheXTech project developers, part of WohlSoft Team | Series A/B | Gaming | Unknown | 34 | -21% | 33 | Engineering hiring burst |
| calagopus | Series A/B | Gaming | EU | 38 | -52% | 24 | Framework migration | |
| ossimlabs | Collection of repositories comprising the OSSIM and OMAR projects. Make sure you clone "ossim" re... | Series A/B | Space Tech | Unknown | 1 | +999% | 34 | Deploy frequency spike |
| SatDump | Growth | Space Tech | Unknown | 7 | +250% | 58 | Deploy frequency spike | |
| CelestiaProject | Series A/B | Space Tech | Unknown | 7 | +133% | 34 | Engineering hiring burst | |
| Official-MoonDao | MoonDAO is accelerating our multiplanetary future with an open platform to fund, collaborate, and... | Series A/B | Space Tech | Unknown | 104 | +96% | 30 | Framework migration |
| spedas | Space Physics Environment Data Analysis Software | Series A/B | Space Tech | Unknown | 27 | +80% | 39 | Engineering hiring burst |
| OpenCyphal | Open technology for real-time intravehicular distributed computing and communication based on mod... | Series A/B | Space Tech | Unknown | 3 | +50% | 24 | Engineering hiring burst |
| DaedalusDock | Growth | Space Tech | Unknown | 23 | +44% | 100 | Framework migration | |
| NASA-AMMOS | Administrator contacts: Aniwat.Nik.Sheurpukdi@jpl.nasa.gov and shawn.n.nguyen@jpl.nasa.gov. For... | Growth | Space Tech | Unknown | 19 | +27% | 76 | Framework migration |
| OpenC3 | Open Source. Open Architecture. Command, Control and Communication | Series A/B | Space Tech | US | 110 | -14% | 49 | Framework migration |
| mx-space | 混合空间 Mix Space | Series A/B | Space Tech | APAC | 36 | -22% | 26 | Framework migration |
| naev | Migrated to https://codeberg.org/naev .Naev is a 2D space trading and combat game that combines e... | Growth | Space Tech | Unknown | 78 | -39% | 100 | Engineering hiring burst |
| endless-sky | Space exploration, trading, and combat game. | Growth | Space Tech | US | 22 | -44% | 54 | Framework migration |
| orbiternassp | Series A/B | Space Tech | Unknown | 7 | -53% | 37 | Framework migration | |
| RocketPy-Team | We're focused on RocketPy's development, seeking for a revolution on the way we see rocket trajec... | Growth | Space Tech | Unknown | 24 | -54% | 72 | Engineering hiring burst |
| VismaLietuva | Series A/B | Social & Community | Unknown | 8 | +999% | 31 | Deploy frequency spike | |
| Yellow-Dog-Man | Growth | Social & Community | Unknown | 4 | +999% | 55 | Deploy frequency spike | |
| nextcloud | 📱☁️💻 A safe home for all your data – community-driven, free & open source 👏 | Growth | Social & Community | Unknown | 5 | +150% | 74 | Deploy frequency spike |
| eclipse-zenoh | Series A/B | Social & Community | Unknown | 5 | +150% | 22 | Engineering hiring burst | |
| coollabsio | Software without compromise. Free, open source, and built for you. | Series A/B | Social & Community | Unknown | 65 | -18% | 41 | Engineering hiring burst |
| GetStream | Build scalable in-app chat, feeds, and live video with AI moderation capabilities in hours, not w... | Series A/B | Social & Community | Unknown | 9 | -47% | 32 | Framework migration |
| flaskbb | Growth | Social & Community | Unknown | 2 | -50% | 62 | Framework migration | |
| EBWiki | repository of police abuse cases against people of color | Growth | Social & Community | Unknown | 2 | -60% | 81 | Framework migration |
| opensensorhub | Java-based middleware for building better Sensor Webs and the Internet of Things | Series A/B | Social & Community | Unknown | 3 | -70% | 22 | Framework migration |
| activist-org | Open-source, nonprofit activism platform | Growth | Social & Community | EU | 5 | -72% | 100 | Framework migration |
| opensource-socialnetwork | Social Networking CMS written in php similar to facebook | Series A/B | Social & Community | US | 3 | -77% | 23 | Framework migration |
Signal Type Distribution
| Signal Type | Count | % |
|---|---|---|
| Framework migration | 104 | 57% |
| Engineering hiring burst | 45 | 24% |
| Deploy frequency spike | 22 | 12% |
| Infrastructure buildout | 13 | 7% |
Top Series B+ Startups by Velocity
#1 PostHog
1621 commits (14d) · -45%
100 contributors · Growth
Engineering hiring burst
#2 airbytehq
1031 commits (14d) · +9%
100 contributors · Growth
Engineering hiring burst
#3 phase-rs
715 commits (14d) · +6%
88 contributors · Growth
Framework migration
#4 AdguardTeam
643 commits (14d) · -31%
100 contributors · Growth
Framework migration
#5 Vacademy-io
425 commits (14d) · +29%
23 contributors · Series A/B
Framework migration
Frequently Asked Questions
How many series b+ startups are tracked?
GitDealFlow tracks 184 series b+ startups as of Q3 2026 across all sectors and geographies.
What is the average engineering velocity of series b+ startups?
The average 14-day commit velocity for series b+ startups is 48.6 commits, with an average of 60.5 contributors per organization.
Which series b+ startup has the highest velocity?
The fastest series b+ startup by engineering velocity is PostHog.
What is the most common signal among series b+ startups?
The most common signal type among series b+ startups is Framework migration.
Why track series b+ engineering velocity?
Engineering velocity at the series b+ stage reveals which teams are building fastest relative to their funding stage — a key indicator for investors.
Related Pages
🔍 Browse all startups by sector in our sitemap or explore the interactive explorer.