Ranked by commit velocity change over the trailing 14 days. Data from GitDealFlow signals - updated weekly from public GitHub activity across 400+ tracked startups.
This ranking tracks the 10 startups with the largest engineering velocity acceleration in Q3 2026. Velocity change is measured as the percentage difference in commit activity between the trailing 14 days and the prior 14-day period. A high velocity change often precedes product launches, fundraise announcements, or major team expansions — making this list a leading indicator for deal flow sourcing.
The current #1, fleetbase (Supply Chain, Pre-seed), shows a +1,600% velocity surge with 17 commits from 7 contributors. PhotoFlare also records +1,600%. Eight of the top 10 show +999% growth. The startups span 8 sectors including Healthcare, EdTech, Data Infrastructure, Supply Chain, Fintech, and Enterprise SaaS — across geographies from the US to Europe and APAC. Most accelerations come from small teams (3-48 contributors) experiencing rapid growth phases.
The top 10 fastest-growing list is designed as a deal-flow sourcing tool for venture investors and startup scouts. A startup appearing on this list with a +999% or +1,600% velocity change is typically in one of three scenarios: (1) preparing for a fundraise by accelerating product development, (2) responding to a significant new customer or partnership that requires rapid feature delivery, or (3) emerging from stealth with a burst of initial engineering activity. In all three cases, the signal often precedes public announcements by 3-6 weeks.
To get the most value from this list: cross-reference each startup with the Tools Hub for deeper profiles, use the Velocity Checker for real-time lookups, and check the Scout Score tool to validate your sourcing instincts. For recurring updates, subscribe to the weekly signals digest at /subscribe.
Methodology: GitDealFlow computes engineering velocity as total commits across all public repositories in a startup's GitHub organization over a trailing 14-day window. Velocity change is the percentage difference between the current 14-day window and the prior 14-day window. All values are computed from publicly observable GitHub data and updated weekly. Full methodology at signals.gitdealflow.com/methodology.
The top 10 fastest-growing startups in engineering velocity represent a mix of sectors and stages. What they share is accelerating commit velocity, expanding contributor bases, and rapid repository growth. These signals typically precede fundraises, product launches, or geographic expansions by 21 to 47 days. For investors tracking deal flow, monitoring these velocity acceleration patterns provides a quantitative edge over traditional lagging indicators like funding announcements. Use our Velocity Benchmark Tool to compare any startup against these top performers.
Data-driven insights for investors: Bookmark this page or subscribe to our free weekly digest to receive the updated top 10 fastest-growing startups every Sunday. Use our benchmark tool to compare any startup against these top performers.
| # | Startup | Description | Stage | Velocity Change | 14d Commits | Contributors | Profile |
|---|---|---|---|---|---|---|---|
| 1 | fleetbase | Modular logistics and supply chain operating system (LSOS) | Pre-seed | +1600% | 17 | 7 | View → |
| 2 | PhotoFlare | PhotoFlare | Series A/B | +1600% | 17 | 21 | View → |
| 3 | aphp | aphp | Pre-seed | +999% | 1 | 3 | View → |
| 4 | StanfordSpezi | Free and open-source ecosystem of modules enabling digital health systems | Pre-seed | +999% | 5 | 5 | View → |
| 5 | ere-health | der virtuelle E-Rezept Drucker | Series A/B | +999% | 1 | 30 | View → |
| 6 | epic-open-source | Epic develops software to help people get well, help people stay well, and help future generations b | Seed | +999% | 2 | 18 | View → |
| 7 | insightsengineering | Roche/Genentech - Insights Engineering | Seed | +999% | 2 | 9 | View → |
| 8 | tuva-health | The community building the future of healthcare analytics | Series A/B | +999% | 3 | 48 | View → |
| 9 | ucfopen | ucfopen | Pre-seed | +999% | 1 | 4 | View → |
| 10 | ccao-data | The CCAO's Data Department creates models, tools, and analyses to improve Cook County's property tax | Pre-seed | +999% | 1 | 6 | View → |