Pricing
Builder Edition
$0
free forever
All queries, 3 analysis tools, rename and fix-auto. Personal, non-commercial, and open-source use.
  • 15 query operations
  • 30 codebase analyzers
  • Rename + fix-auto
  • 138 grammars
  • Non-commercial projects
Install Builder Edition
Engineering Edition
$29
billed monthly
Full mutation toolkit for individual commercial development.
  • Everything in Builder
  • Extract, inline, wrap, introduce
  • Generated constructors & accessors
  • Refactor verification & receipts
  • Commercial license
Get Engineering Edition
Elite Edition
$99
billed monthly
Architecture plus the 25 premium languages — COBOL, Fortran, Ada, Verilog, Solidity, and 20 more.
  • Everything in Architecture
  • Legacy: COBOL, Fortran, Ada…
  • Blockchain: Solidity, Vyper…
  • GPU & shaders: CUDA, GLSL, HLSL, WGSL
Get Elite Edition
Enterprise
Tailored
to your organization
Modernization programs with execution-grade parity — port legacy codebases across languages, and prove the result behaves like the original.
Contact Sales
Fleet
At scale
for autonomous agents
License act101 for fleets of autonomous agents in production — by concurrency, environment, or tenant, not per laptop.
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All prices USD. 7-day free trial, all features.

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What each edition unlocks.

Capability Builder Engineering Architecture Elite Enterprise
Query ops (skeleton, references, callers, graph, control_flow)
Rename + fix-auto
effect_summary · data_flow · unsafe_surface
Mutation toolkit (extract, inline, wrap, introduce, generate)
secret_surface + verify_* suite
Structural ops + deep analyzers + taint_flow + effect_closure
Git & production overlays (churn, coverage, ownership)
25 premium grammars (COBOL, Fortran, Solidity, HDL…)
Porting ops + parity verification + migration composites

Full per-tool detail in the feature matrix.

Download act101

One native binary, every grammar, zero setup. Builder Edition is free.

Download — install in 60s

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