Q3 2025 Rankings
Space Tech Startups to Watch, Q3 2025
Space tech has a small but distinct engineering footprint on GitHub.
Key takeaways, at a glance
In Q3 2025, 3 of 4 tracked space tech startups show positive engineering acceleration. orbiternassp leads with 35 commits over 14 days (+106% change). The dominant signal pattern is "Framework migration". Average sector commit velocity is 104 commits per 14-day window. These engineering momentum signals have historically preceded fundraise announcements by three to six weeks.
Data sourced from public GitHub activity. Read our methodology
| # | Company | Stage | Geo | Commits (14d) | Change | Contributors | Contrib. Growth | New Repos | Signal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | orbiternassp orbiternassp is aspace tech series a/b startup, modernizing their technology stack for scale. View signal profile → | Series A/B | Unknown | 35 | +106% | 37 | +0% | 0 | Framework migration |
| 2 | 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 | 284 | +6% | 168 | +0% | 0 | Framework migration |
| 3 | OpenC3 Open Source. Open Architecture. Command, Control and Communication View signal profile → | Series A/B | US | 65 | +5% | 47 | +0% | 1 | Framework migration |
| 4 | DaedalusDock Spacecraft simulation and mission analysis software for orbital mechanics and trajectory optimization. View signal profile → | Growth | Unknown | 33 | -44% | 287 | +35% | 0 | Deceleration |
Sorted by commit velocity change (14-day window, descending). Top 3 highlighted. Data last updated Q3 2025.
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Projected lead-time window
≈31-day lead window
Projected next milestone
Platform or stack transition
The free Sunday digest puts orbiternassp and 3 other Space Tech startups this period in context, 14-day acceleration deltas, contributor maps, and the top names not on Crunchbase yet. Five names every Sunday, no card, no code-reading.
Unlock with email →Projections are model estimates derived from each org's public commit signal and the SSRN-published methodology, not statements of fact. Cross-reference with primary sources before acting.
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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.
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Frequently Asked Questions
What engineering signals are space tech startups showing in Q3 2025?
In Q3 2025, we are tracking 4 space tech startups with measurable GitHub engineering signals. 3 of 4 show positive commit velocity growth. The most common signal type is "Framework migration", observed in 4 of the tracked companies. The average 14-day commit velocity across the sector is 104 commits, with orbiternassp leading at 35 commits (+106% change). These patterns have historically preceded fundraise announcements by three to six weeks.
Which space tech startup has the highest engineering acceleration in Q3 2025?
orbiternassp leads the space tech sector in Q3 2025 with 35 commits over a 14-day window, representing a +106% change from the prior period. With 37 active contributors, orbiternassp is showing a "Framework migration" pattern, one of the more reliable leading indicators of a significant product milestone or fundraise.
Where are the most active space tech engineering teams located?
Among the 4 space tech startups we track, US accounts for the highest concentration with 1 teams. Startups building launch vehicles, satellites, and space data platforms. Geographic distribution matters for investors because engineering talent clusters correlate with sector-specific domain expertise and proximity to early adopter customers.