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← tethered

Alternatives

tethered alternatives

tethered is a zero-dependency Python library that enforces outbound network allow-lists at runtime. Here are 24 similar tools on DevHunt, starting with the closest matches.

Quick answerThe best free tethered alternative is aikido, for general dev security tooling. Pick Fine for AI-assisted code generation, or Pocketenv for isolated execution environments.

At a glance

4 closest to tethered
ToolBest forPricingVotesComparison
aikidoGeneral dev security toolingFree65vs tethered →
FineAI-assisted code generationFree75vs tethered →
PocketenvIsolated execution environmentsFree, open source73vs tethered →
DaytonaRapid dev environment provisioningFree, open source339vs tethered →

How to choose

  • For general dev security tooling: aikido (free)
  • For AI-assisted code generation: Fine (free)
  • For isolated execution environments: Pocketenv (free, open source)
  • For rapid dev environment provisioning: Daytona (free, open source)
  • For in-process network firewall for Python: tethered itself

Closest alternatives

compared with tethered
  • aikido▲ 65 · Free

    Focuses on broader security hardening for developers, not specifically runtime network egress control. tethered vs aikido →

  • Fine▲ 75 · Free

    Provides AI agents for software building, whereas tethered guards network calls made by such agents. tethered vs Fine →

  • Pocketenv▲ 73 · Free

    Offers a sandbox runtime for agents and humans, but does not enforce per-process network allow-lists. tethered vs Pocketenv →

  • Daytona▲ 339 · Free

    Sets up development environments, not runtime network restrictions. tethered vs Daytona →

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FAQ

What is the best alternative to tethered?+

The closest tethered alternatives are aikido (general dev security tooling), Fine (AI-assisted code generation) and Pocketenv (isolated execution environments). Daytona is also close. Each one links to a side-by-side comparison with tethered.

What is the best free alternative to tethered?+

aikido (general dev security tooling) is the closest free alternative to tethered. Fine (AI-assisted code generation), Pocketenv (isolated execution environments) and Daytona (rapid dev environment provisioning) are free too.

Is there an open source alternative to tethered?+

Yes. Pocketenv (isolated execution environments) and Daytona (rapid dev environment provisioning) are open source.

What is tethered used for?+

tethered is a zero-dependency Python library that enforces outbound network allow-lists at runtime. Common uses: prevent compromised dependencies from contacting external services during tests, guard AI-generated code from unintentionally calling production APIs and isolate background jobs to only permitted databases and services.

Is tethered free?+

tethered is open source and free to use.