Weekly Signal Report — Q2 2026

This is the automated weekly signal report from VC Deal Flow Signal. We track GitHub engineering acceleration across 18 startup sectors and rank them by commit velocity change — the rate at which engineering activity is accelerating relative to baseline.

This report covers Q2 2026. 54 startups across 18 sectors showed measurable engineering signals.

Top 10 Startups by Engineering Acceleration

These are the startups showing the highest commit velocity change this period — the ones where engineering activity is accelerating fastest relative to their own baseline.

**#1 castle-engine** (Gaming) — +344% commit velocity change, 40 commits over 14 days, 24 contributors. Signal: Deploy frequency spike. Cross-platform (desktop, mobile, console, web) 3D and 2D game engine supporting many asset formats (glTF, X3D, Spine...)

**#2 orbiternassp** (Space Tech) — +329% commit velocity change, 30 commits over 14 days, 37 contributors. Signal: Deploy frequency spike.

**#3 akto-api-security** (Cybersecurity) — +75% commit velocity change, 267 commits over 14 days, 53 contributors. Signal: Framework migration. Instant API Security

**#4 ihmcrobotics** (Robotics) — +44% commit velocity change, 23 commits over 14 days, 79 contributors. Signal: Framework migration. IHMC Robotics Lab on GitHub

**#5 bagisto** (E-commerce Infrastructure) — +39% commit velocity change, 39 commits over 14 days, 100 contributors. Signal: Framework migration. A Free and Opensource laravel eCommerce framework built for all to build and scale your business.

**#6 bakaphp** (Social & Community) — +32% commit velocity change, 598 commits over 14 days, 14 contributors. Signal: Framework migration. Baka: packages that look to make development simpler for everyone.

**#7 third-culture-software** (Healthcare) — +30% commit velocity change, 13 commits over 14 days, 27 contributors. Signal: Framework migration.

**#8 projectdiscovery** (Cybersecurity) — +17% commit velocity change, 529 commits over 14 days, 100 contributors. Signal: Framework migration. Monitor your infrastructure. Real vulnerabilities. Zero noise.

**#9 saleor** (E-commerce Infrastructure) — +6% commit velocity change, 19 commits over 14 days, 100 contributors. Signal: Framework migration. The commerce API that puts developers first.

**#10 VictoriaMetrics** (Data Infrastructure) — +4% commit velocity change, 71 commits over 14 days, 100 contributors. Signal: Framework migration. Easy to use and fast monitoring solution

Hottest Sectors

HR Tech: 2 startups tracked, avg velocity 586 commits/14d. Top mover: ever-co (-50%). Dominant signal: Engineering hiring burst.

Data Infrastructure: 8 startups tracked, avg velocity 400 commits/14d. Top mover: VictoriaMetrics (+4%). Dominant signal: Framework migration.

Social & Community: 3 startups tracked, avg velocity 230 commits/14d. Top mover: bakaphp (+32%). Dominant signal: Framework migration.

Cybersecurity: 7 startups tracked, avg velocity 219 commits/14d. Top mover: akto-api-security (+75%). Dominant signal: Framework migration.

Legal Tech: 1 startups tracked, avg velocity 215 commits/14d. Top mover: wazuh (-6%). Dominant signal: Framework migration.

Signal Breakdown

Across all 54 tracked startups: Framework migration: 45 startups, Engineering hiring burst: 5 startups, Infrastructure buildout: 2 startups, Deploy frequency spike: 2 startups.

Geography

Top regions by startup count: US (15), EU (6), LATAM (3), APAC (2), Canada (1).

What This Means for Investors

The startups at the top of this list are showing engineering momentum that has historically preceded fundraise announcements by six to twelve weeks. If you invest in any of the sectors covered here, these are the names to research this week.

Browse the full sector rankings for detailed data on every tracked startup. Or subscribe to the Signal Digest to get this report in your inbox every week.