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TLA+ Toolbox
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TTTLA+ Toolbox logo

TLA+ Toolbox

Flathub·Developer Tools

The TLA+ Toolbox is an integrated development environment for the TLA+ specification language and its tools. It allows users to write and edit specifications, run the TLC model checker, explore error traces, translate PlusCal, and use the TLA+ proof system to verify system designs.

Free
Linux
TTTLA+ Toolbox logo
Visit Flathub↗

Overview

5 features

In the Developer Tools space, TLA+ Toolbox takes a focused approach. It focuses on finding and eliminating fundamental design errors in complex concurrent and distributed systems before writing code. TLA+ Toolbox is an open-source project aimed at software engineers and formal methods practitioners. TLA+ Toolbox is free to use. The product ships for Linux.

Behind TLA+ Toolbox is TLA+ Foundation. Among its 5 catalogued features are Spec Editing, Model Checking, and Proof System.

  • ✓Spec Editing
  • ✓Model Checking
  • ✓Proof System
  • ✓Error Trace Exploration
  • ✓PlusCal Translation

Tags

formal-methodsmodel-checkingspecification-languagetla-plus

Built with & integrations

Runs on
Linux

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 26, 6:33 PM

    toolbox verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about TLA+ Toolbox

What is TLA+ Toolbox?
TLA+ Toolbox focuses on finding and eliminating fundamental design errors in complex concurrent and distributed systems before writing code. It is catalogued under Developer Tools on PulseGate.
Who should use TLA+ Toolbox?
TLA+ Toolbox is an open-source project built for software engineers and formal methods practitioners.
Does TLA+ Toolbox have a free plan?
Yes — TLA+ Toolbox is free to use.
What platforms does TLA+ Toolbox run on?
TLA+ Toolbox runs on Linux.
Is TLA+ Toolbox still active?
PulseGate's liveness checks currently classify TLA+ Toolbox as active.
What tools are similar to TLA+ Toolbox?
Similar tools tracked by PulseGate include lx-tooling, lf-toolbox, and ToolBench.lx-toolinglf-toolboxToolBench
Who develops TLA+ Toolbox?
TLA+ Toolbox is developed by TLA+ Foundation.

At a glance

Platforms
Desktop
Languages
English
First seen
Jul 26, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
Software engineers and formal methods practitioners
Model
Open source
Solves
Finding and eliminating fundamental design errors in complex concurrent and distributed systems before writing code.

Developer

TLA+ Foundation

Live coverage

Confidence
Medium · 70
Indexed
Jul 26, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
3d ago
Identity audit (10)
Entity ID
cms24zbcb090kjbamtmxvxuhe
Slug
toolbox-flathub-org
Lifecycle last checked
Jul 26, 2026
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 26, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 26, 2026
Canonical URL
https://flathub.org/apps/org.lamport.tla.toolbox

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  • Dev Toolbox
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  • Conlang Toolbox
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  • Toolbox ADK
    pypi.org