Clear product boundaries
Every public offer says what it does, what it includes, and where it stops.
Independent technology company
Original systems.Practical technology.
FAST Industries develops original computational systems, deterministic software tools, and advanced engineering technologies. We simplify computation, reduce unnecessary complexity, and build practical tools for real work.
FIBUILD / VERIFY / SHIP
FOCUSED
VERIFIABLE
PRACTICAL
PREFIX family
PREFIX for Python 0.1.0
Local, deterministic correction for a bounded set of Python 3.12 structural errors. One commercial license. No subscription.
Explore PREFIXHow we work
Built for the real decision in front of you.
Our work spans software development, functional reasoning, computational construction, automation, media, and operational systems. Each invention keeps its own purpose and identity.
Evidence before claims
Each release states its tested scope, supported platforms, and known delivery limitations.
Useful by design
Practical technologies should help people accomplish more with less wasted effort.
Across the portfolio
Independent products. One headquarters.
PREFIX begins with Python. Our other public releases serve their own workflows, with their own requirements.
UEG
Deterministic local governance receipts and independently verifiable evidence bundles.
Unsigned engineering evaluation release for Windows x64 and Linux amd64. It is not a signed general release.
Explore UEGFast Launch
A local workspace for product information, release preparation, and bounded operational workflows.
Unsigned Windows x64 portable package. The public distribution repository is not a complete source mirror; no open source license or always-on service is claimed.
Explore Fast LaunchStart with the product
See exactly what PREFIX includes.
Review the qualified platforms, commercial terms, system requirements, and delivery status before purchase.
View PREFIX for Python