Space Tech Startups — Engineering Velocity Signals
Q3 2026 · 18 startups tracked · Updated weekly from public GitHub data
Sector Overview
The Space Tech sector is experiencing significant engineering activity in Q3 2026, with 18 startups tracked by the VC Deal Flow Signal. Startups building launch vehicles, satellites, and space data platforms. Engineering velocity — measured through commit cadence, contributor growth, and repository expansion — provides early indicators of which teams are accelerating their development efforts before official funding announcements. GitDealFlow tracks these signals in real-time from public GitHub activity, giving investors a data-driven window into engineering momentum across the Space Tech landscape.
All 18 Startups in Space Tech
| Name | Description | Stage | Geography | 14d Commits | Velocity Change | Contributors | Signal Type |
|---|---|---|---|---|---|---|---|
| ossimlabs | Collection of repositories comprising the OSSIM and OMAR projects. Make sure you | Series A/B | Unknown | 1 | +999% | 34 | Deploy frequency spike |
| SatDump | Growth | Unknown | 7 | +250% | 58 | Deploy frequency spike | |
| CelestiaProject | Series A/B | Unknown | 7 | +133% | 34 | Engineering hiring burst | |
| Official-MoonDao | MoonDAO is accelerating our multiplanetary future with an open platform to fund, | Series A/B | Unknown | 104 | +96% | 30 | Framework migration |
| spedas | Space Physics Environment Data Analysis Software | Series A/B | Unknown | 27 | +80% | 39 | Engineering hiring burst |
| starwards | Pre-seed | Unknown | 14 | +56% | 5 | Framework migration | |
| OpenCyphal | Open technology for real-time intravehicular distributed computing and communica | Series A/B | Unknown | 3 | +50% | 24 | Engineering hiring burst |
| DaedalusDock | Growth | Unknown | 23 | +44% | 100 | Framework migration | |
| NASA-AMMOS | Administrator contacts: Aniwat.Nik.Sheurpukdi@jpl.nasa.gov and shawn.n.nguyen@j | Growth | Unknown | 19 | +27% | 76 | Framework migration |
| open-space-collective | Collaborative space. | Pre-seed | Unknown | 47 | -6% | 5 | Framework migration |
| ut-issl | 東京大学 航空宇宙工学専攻 船瀬・五十里研究室の公開リポジトリ | Pre-seed | APAC | 54 | -10% | 4 | Engineering hiring burst |
| OpenC3 | Open Source. Open Architecture. Command, Control and Communication | Series A/B | US | 110 | -14% | 49 | Framework migration |
| mx-space | 混合空间 Mix Space | Series A/B | APAC | 36 | -22% | 26 | Framework migration |
| elodin-sys | Seed | US | 10 | -29% | 19 | Framework migration | |
| naev | Migrated to https://codeberg.org/naev .Naev is a 2D space trading and combat gam | Growth | Unknown | 78 | -39% | 100 | Engineering hiring burst |
| endless-sky | Space exploration, trading, and combat game. | Growth | US | 22 | -44% | 54 | Framework migration |
| orbiternassp | Series A/B | Unknown | 7 | -53% | 37 | Framework migration | |
| RocketPy-Team | We're focused on RocketPy's development, seeking for a revolution on the way we | Growth | Unknown | 24 | -54% | 72 | Engineering hiring burst |
Signal Type Distribution
| Signal Type | Count | % |
|---|---|---|
| Framework migration | 10 | 56% |
| Engineering hiring burst | 6 | 33% |
| Deploy frequency spike | 2 | 11% |
Top 5 Startups by Velocity
#1 OpenC3
📉 110 commits (14d) · -14%
49 contributors · Series A/B
Framework migration
#2 Official-MoonDao
📈 104 commits (14d) · +96%
30 contributors · Series A/B
Framework migration
#3 naev
📉 78 commits (14d) · -39%
100 contributors · Growth
Engineering hiring burst
#4 ut-issl
📉 54 commits (14d) · -10%
4 contributors · Pre-seed
Engineering hiring burst
#5 open-space-collective
📉 47 commits (14d) · -6%
5 contributors · Pre-seed
Framework migration
Sector Benchmarks
Avg Commits (14d)
32.9
Avg Contributors
42.6
Most Common Signal
Framework migration
Fastest-Growing
OpenC3