Space Tech Startups Directory
All 23 tracked space tech startups ranked by GitHub engineering acceleration (Q3 2026), sorted by commit-velocity change. Every company links to its full signal profile.
This directory lists every startup VC Deal Flow Signal tracks in Q3 2026, ranked by GitHub engineering acceleration. It contains 23 companies spread across 1 page; this is page 1. Each card links to a company's full signal profile with its complete commit history, contributor data, and sector ranking.
ossimlabs
Deploy frequency spikeCollection of repositories comprising the OSSIM and OMAR projects. Make sure you clone "ossim" repository first!
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 1
- Velocity change
- +999%
- Contributors
- 34
- New repos (30d)
- 0
NASA-AMMOS
Deploy frequency spikeAdministrator contacts: Aniwat.Nik.Sheurpukdi@jpl.nasa.gov and shawn.n.nguyen@jpl.nasa.gov. For AMMOS software tech su
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 46
- Velocity change
- +360%
- Contributors
- 40
- New repos (30d)
- 0
orbitalindex
Deploy frequency spikeSpace: weekly, technical, curated.
- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 4
- Velocity change
- +300%
- Contributors
- 64
- New repos (30d)
- 0
OpenCSGs
Deploy frequency spikeOpenCSG of AI, by AI, for AI
- Stage
- Pre-seed
- Geography
- Unknown
- Commits (14d)
- 54
- Velocity change
- +286%
- Contributors
- 6
- New repos (30d)
- 2
SatDump
Deploy frequency spikeSat Dump is aspace tech growth startup, shipping product updates at an accelerated pace.
- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 7
- Velocity change
- +250%
- Contributors
- 58
- New repos (30d)
- 0
orbiternassp
Deploy frequency spike- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 6
- Velocity change
- +200%
- Contributors
- 37
- New repos (30d)
- 0
mx-space
Framework migration混合空间 Mix Space
- Stage
- Series A/B
- Geography
- APAC
- Commits (14d)
- 130
- Velocity change
- +141%
- Contributors
- 27
- New repos (30d)
- 0
starwards
Engineering hiring burst- Stage
- Pre-seed
- Geography
- Unknown
- Commits (14d)
- 70
- Velocity change
- +89%
- Contributors
- 6
- New repos (30d)
- 0
spedas
Engineering hiring burstSpace Physics Environment Data Analysis Software
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 27
- Velocity change
- +80%
- Contributors
- 39
- New repos (30d)
- 3
CCSDSPy
Framework migrationThis community-developed package provides a Python interface for reading and writing binary data in the CCSDS format use
- Stage
- Seed
- Geography
- Unknown
- Commits (14d)
- 3
- Velocity change
- +50%
- Contributors
- 11
- New repos (30d)
- 0
OpenCyphal
Engineering hiring burstOpen technology for real-time intravehicular distributed computing and communication based on modern networking standard
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 3
- Velocity change
- +50%
- Contributors
- 24
- New repos (30d)
- 0
DaedalusDock
Framework migrationSpacecraft simulation and mission analysis software for orbital mechanics and trajectory optimization.
- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 23
- Velocity change
- +44%
- Contributors
- 100
- New repos (30d)
- 0
elodin-sys
Framework migration- Stage
- Series A/B
- Geography
- US
- Commits (14d)
- 16
- Velocity change
- +33%
- Contributors
- 20
- New repos (30d)
- 2
endless-sky
Framework migrationSpace exploration, trading, and combat game.
- Stage
- Growth
- Geography
- US
- Commits (14d)
- 25
- Velocity change
- +32%
- Contributors
- 54
- New repos (30d)
- 0
open-space-collective
Framework migrationCollaborative space.
- Stage
- Pre-seed
- Geography
- Unknown
- Commits (14d)
- 48
- Velocity change
- -2%
- Contributors
- 5
- New repos (30d)
- 0
ut-issl
Engineering hiring burst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
- Stage
- Pre-seed
- Geography
- APAC
- Commits (14d)
- 54
- Velocity change
- -10%
- Contributors
- 4
- New repos (30d)
- 3
OpenC3
Framework migrationOpen Source. Open Architecture. Command, Control and Communication
- Stage
- Growth
- Geography
- US
- Commits (14d)
- 141
- Velocity change
- -18%
- Contributors
- 50
- New repos (30d)
- 2
CelestiaProject
Framework migration- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 12
- Velocity change
- -33%
- Contributors
- 56
- New repos (30d)
- 0
naev
Framework migrationMigrated to https://codeberg.org/naev .Naev is a 2D space trading and combat game that combines elements from the action
- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 38
- Velocity change
- -48%
- Contributors
- 100
- New repos (30d)
- 0
RocketPy-Team
Engineering hiring burstWe're focused on RocketPy's development, seeking for a revolution on the way we see rocket trajectory nowadays
- Stage
- Growth
- Geography
- Unknown
- Commits (14d)
- 24
- Velocity change
- -54%
- Contributors
- 72
- New repos (30d)
- 0
7-Blocks
Engineering hiring burstWe Make Software That Solves Pain Points
- Stage
- Series A/B
- Geography
- APAC
- Commits (14d)
- 27
- Velocity change
- -59%
- Contributors
- 33
- New repos (30d)
- 0
nasa-jpl
Framework migrationA world leader in the robotic exploration of space
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 9
- Velocity change
- -85%
- Contributors
- 26
- New repos (30d)
- 0
Official-MoonDao
Framework migrationMoonDAO is accelerating our multiplanetary future with an open platform to fund, collaborate, and compete on challenges
- Stage
- Series A/B
- Geography
- Unknown
- Commits (14d)
- 8
- Velocity change
- -91%
- Contributors
- 30
- New repos (30d)
- 0
How to read these rankings
We rank each company on public GitHub activity, never on press releases or fundraise announcements. The primary signal is commit velocity change: the percentage change in total commits to a company's most active public repository over a rolling 14-day window, measured against its own trailing baseline. Sustained acceleration has historically preceded fundraise announcements by three to six weeks.
We surface three supporting primitives alongside velocity. Contributor influx counts new committers in the trailing four weeks; a hiring burst often follows a fresh round. Repository creation pulse counts new public repositories shipped in the trailing eight weeks, a leading indicator of platform expansion. Language bias drift flags when a new primary language appears in production code, which often marks a pivot or scale-up.
Use this directory to source and to validate. For sourcing, scan the top of each page for the fastest-accelerating teams, then open their profiles to read the full signal. For validation, look up a company you already know and compare its trajectory against the broader sector distribution. No single metric is a buy signal; always cross-reference with Crunchbase, hiring activity, and community mentions before acting.
Signal types
- Engineering hiring burst marks rapid team expansion, often following a funding round.
- Infrastructure buildout marks new repository creation, indicating platform investment and product expansion.
- Deploy frequency spike marks an accelerated shipping cadence, often seen before a public launch.
- Framework migration marks a technology stack transition, which often precedes a pivot or platform upgrade.
Data source and methodology
Every number links back to public GitHub activity and refreshes weekly. The full methodology, including the six-signal panel and its empirical tie to fundraise probability, is published on the methodology page. The underlying SSRN preprint is 6606558, and a CC BY 4.0 machine-readable dataset is available on the dataset page. We track only self-published public GitHub organizations, never private repositories or inferred profiles.
About this signal
VC Deal Flow Signal is a free public dataset that treats GitHub engineering acceleration as a leading indicator of startup momentum. It exists for Corp Dev teams, PE operating partners, and emerging managers who want to see momentum before a round is announced rather than after. Every company in this directory has a self-published public GitHub organization, and every ranking number links back to the public repository behind it. The dataset is updated weekly and is independent of any incumbent venture platform.