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2026 Rankings
The top space tech startups in 2026, ranked by GitHub engineering acceleration. These are the companies whose engineering teams are shipping the fastest — a signal that has historically preceded fundraise announcements by three to six weeks.
Key Takeaway
In Q2 2026, 2 of 4 tracked space tech startups show positive engineering acceleration. naev leads with 65 commits over 14 days (+41% change). The dominant signal pattern is "Framework migration". Average sector commit velocity is 45 commits per 14-day window. These engineering momentum signals have historically preceded fundraise announcements by three to six weeks.
| # | Company | Stage | Geo | Commits (14d) | Change | Contributors | Contrib. Growth | New Repos | Signal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | naev Migrated to https://codeberg.org/naev .Naev is a 2D space trading and combat game that combines elements from the action View signal profile → | Growth | Unknown | 65 | +41% | 100 | +0% | 0 | Framework migration |
| 2 | DaedalusDockView signal profile → | Growth | Unknown | 13 | +30% | 100 | +35% | 0 | Framework migration |
| 3 | OpenC3 Open Source. Open Architecture. Command, Control and Communication View signal profile → | Series A/B | US | 96 | -41% | 47 | +0% | 1 | Framework migration |
| 4 | orbiternasspView signal profile → | Series A/B | Unknown | 4 | -76% | 37 | +0% | 0 | Framework migration |
Ranked by commit velocity change (14-day window). Data: Q2 2026.
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.
Based on GitHub engineering acceleration data, the top space tech startups in 2026 are naev, DaedalusDock, OpenC3, orbiternassp. Rankings are based on commit velocity change — the rate at which engineering output is accelerating.
Startups are ranked by commit velocity change — the percentage change in 14-day commit counts versus the prior period. This measures engineering acceleration, not absolute size. Read the full methodology.