AI · alternatives · 2026

24 alternatives to Astartis x Codex

Enterprise developer security control plane around evidence

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier.

1
Codex Security▲294
Our application security agent
Mar 2026 · openai.com · its alternatives →
2
Codex▲247
Discuss and understand your code base from within your IDE
2022 · usecodex.com · its alternatives →
3
Astra Autonomous Pentest▲406
AI agents that find, validate, and fix every vulnerability
Jun 2026 · getastra.com · its alternatives →
4
Codex Micro▲265
Tactile controls for your Codex agents
Jul 2026 · openai.com · its alternatives →
5
Kastrafree tier, from $19.99/mo▲332
Hi HN, Fernando and I built Kastra. Kastra intercepts AI agent tool calls and evaluates them against deterministic policies before they execute. We built this product to control pre- and post-inference workloads. This is aimed at developers using coding agents like Claude Code, Codex, Cursor, and OpenClaw. Kastra pushes an allow, hold, and deny decision before the action runs. You can build these policies in plain English from the web app. The interception engine evaluates the tools, targets, and parameters of every action at sub 1ms at a scale of billions of interceptions per day. We also…
Jul 2026 · kastra.ai · its alternatives →
6
AgentMicro▲160
Live Codex task status in your macOS menu bar
Aug 2026 · agentmicro.cc · its alternatives →
7
Arcjetfree tier, from $25/mo▲430
Secure the AI agents you're building at runtime
Sep 2026 · arcjet.com · its alternatives →
8
CodeX-Editor▲125
A web code editor with AI & multi-language support
2025 · x-codex.vercel.app · its alternatives →
9
CodeX▲124
Build webapps in minutes for completely free
2025 · its alternatives →
10
Codex Subagents▲300
Parallel custom agents for complex tasks
Mar 2026 · learn.chatgpt.com · its alternatives →
11
Nightfall Developer Platform▲154
API to classify & protect sensitive data in any application
2021 · firewallforai.com · its alternatives →
12
Aegisora▲93
The narrow control plane for AI agent tool and API calls.
Aug 2026 · aegisora-ai.vercel.app · its alternatives →
13
OpenCode Superapp▲128
The power of Codex with local, self-hosted models and voice
Jul 2026 · opencodesuper.app · its alternatives →
14
CodeX▲56
Light weight code compiler with an API
2021 · codexweb.netlify.app · its alternatives →
15
Canary Checker▲108
Kubernetes native health check platform
2023 · canarychecker.io · its alternatives →
16
Codex in Chrome▲111
Let Codex navigate and automate tasks in your browser
May 2026 · learn.chatgpt.com · its alternatives →
17
MartinLoop▲79
Control AI coding agents with limits, proof, + run receipts
Jun 2026 · martinloop.com · its alternatives →
18
Shelf – A better way to share knowledge across teams and organizations▲59
Eliminate bad data before it becomes the wrong answer. Next-generation knowledge and governance platform for accurate GenAI answers.
2017 · shelf.io · its alternatives →
19TC
The Codex – a graph database project for the digital humanities▲33
2016 · the-codex.net · its alternatives →
20
FireTail▲68
Enable secure AI adoption across your entire organization
Apr 2026 · firetail.ai · its alternatives →
21
ASCEND - AI Agent and MCP Control Plane▲2
Govern AI agents and MCP servers. Enforce. Prove compliance.
Apr 2026 · ascendowkai.com · its alternatives →
22
Codex▲10
Lightweight documentation, beautifully designed.
2019 · getcodex.io · its alternatives →
23
Checkmarx Developer Assist for AI IDEs▲36
Security linter for vibe coding: fix vulns as you build
Jan 2026 · dev.checkmarx.com · its alternatives →
24
OwlVigil▲9
Control AI access, cost, usage, and governance in one place
Aug 2026 · owlvigil.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →