Alternatives

The Best h5i Alternatives in 2026

10 alternatives0 free · 10 open source

Looking for something like h5i? Here are 10 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 10 are open source.

About h5igithub.com/h5i-dev/h5i
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h5i provides a red-teaming workspace with browser access, HTTP traffic controls, sandboxed execution, and auditable sessions.

PricingNot confirmed
Platforms—

Top picks at a glance

Quick comparison

#AlternativePricingOpen sourcePlatforms
1EvalView —Yes—
2Greywall —YesLinux, macOS
3ReviewCerberus —Yes—
4promptfoo —Yes—
5PR-Agent —Yes—
6rehydra —Yes—
7OpenCodeReview —Yes—
8LangWatch —Yes—
9PR-Agent —Yes—
10Blinky —Yes—
10 shown

All h5i alternatives

1

EvalView

github.com/hidai25/eval-viewOpen source
Also covers open source · same kind of open-source project

EvalView regression tests AI agents by snapshotting behavior and comparing tool calls in CI.

2

Greywall

github.com/GreyhavenHQ/greywallOpen source
Also covers open source · same kind of open-source project

Greywall provides a deny-by-default sandbox for AI coding agents, with kernel-enforced isolation on Linux and macOS.

5

PR-Agent

github.com/The-PR-Agent/pr-agentOpen source
Also covers open source · same kind of open-source project

This repository contains code for PR-Agent, an open source tool for reviewing pull requests.

6

rehydra

github.com/rehydra-ai/rehydra-sdkOpen source
Also covers open source · same kind of open-source project

rehydra scans LLM prompts for accidental personal information before they reach a model.

9

PR-Agent

github.com/Codium-ai/pr-agentOpen source
Also covers open source · same kind of open-source project

PR-Agent provides automated review of software pull requests in this open source repository.

10

Blinky

github.com/seahyinghang8/blinkyOpen source
Also covers open source · same kind of open-source project

Blinky provides an open-source AI debugging agent integrated into Visual Studio Code.

No alternatives match this filter.

Alternatives to similar tools

All alternatives
What is the best alternative to h5i?
Based on features, tags and platforms, the closest alternatives to h5i are EvalView, Greywall, and ReviewCerberus.
Are there open-source alternatives to h5i?
Yes: EvalView, Greywall, ReviewCerberus, and promptfoo.

Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative