Dev tools · alternatives · 2026

WANGJIANHAO222

the hacker of netsec

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 1 we have checked on their own sites, 1 of them free or with a free tier.

1
Agent Arena▲348
Creator here. I built Agent Arena to answer a question that kept bugging me: when AI agents browse the web autonomously, how easily can they be manipulated by hidden instructions? How it works: 1. Send your AI agent to ref.jock.pl/modern-web (looks like a harmless web dev cheat sheet) 2. Ask it to summarize the page 3. Paste its response into the scorecard at wiz.jock.pl/experiments/agent-arena/ The page is loaded with 10 hidden prompt injection attacks -- HTML comments, white-on-white text, zero-width Unicode, data attributes, etc. Most agents fall for at least a few.…
Jun 2026 · arena42.ai · its alternatives →
2
Juggler – an open-source GUI coding agent, by the creator of JUCE▲280
Hello HN, I don't post on here much, but wanted to get some eyes on a new project I'm just launching. I think we definitely need one more AI code agent.. I'm a long-term C++ dev, and over 30+ years I've created some successful audio dev tools (JUCE, the Tracktion DAW, the Cmajor DSP language). All of these came from me getting annoyed with something I had to use, and deciding to have a go at my own take on whatever it was. So Juggler is my attempt at an AI code agent, after spending too many hours loving what the models could do, but hating the CLI experience, and having some opinions of…
Jul 2026 · github.com · its alternatives →
3
ComputerX▲560
Introducing the first-ever desktop AI agent that gets your computer tasks done for you. Like having your own AI operator that seamlessly integrates with every app on your computer!
2025 · computerx.ai · its alternatives →
4
Skillkit▲252
It's an open-source project that lets you create, translate, and work with multiple agents at the same time, and more.
Feb 2026 · agenstskills.com · its alternatives →
5
Playground▲198
We build AI agents to find vulnerabilities in other AI agents. The playground started as an internal tool that we used to test our own offensive agent Nyx. But we realised that hacking an AI is about have as wide a distribution of attacks as possible, especially those which aren't in the distribution of the models. So we are launching playground as a platform to crowdsource agent jailbreaks. And although hacking AI is super fun and we are sure people will do it for free, we want to reward those who help us push forward the offensive frontier of AI. So we are committing $100K in prizes over…
Jul 2026 · playground.fabraix.com · its alternatives →
6
Strix▲186
Open-source AI hackers for your apps
2025 · strix.ai · its alternatives →
7HL
Hacker Lab – an easy way for netsec students to practice hacking▲7
2018 · thehackerlab.co · its alternatives →
8
Clark▲264
Hey folks, I've been building Clark solo, with the aim to match Manus agent (I really like it!) in features and capabilities, but also in its relentless ability to just complete tasks while using browser, computer etc. So far I think I've achieved 1:1 core feature parity: 1) computer use agent 2) browser use in same thread 3) wide and deep research - clark calls clark 4) integration with google tools Would love to have community feedback and for you to try it out, a couple thousand people already using it daily for very broad use cases. You can use this referral link, that hopefully works…
Jul 2026 · clarkchat.com · its alternatives →
9
Terramind: Nucleus▲81
Hey Hacker News, I am excited to introduce Terramind - The AI SuperApp. It's an ecosystem of AI-powered apps that seamlessly integrates into your workflows, bringing 'PhD-level intelligence' to real-life use cases. Its been quite a journey creating these 10 apps (and more) as a solo dev, and i couldn’t be more excited to share these with you and hear your feedback about Terramind. These are the 10 apps that we are launching today. Its available today but the PH links that i have added will go live over the next 10 days. Demo Playlist:…
Jan 2026 · terramind.com · its alternatives →
10
BitGypsy▲68
Distributed network of hackers and designers (closed alpha)
2014 · bitgypsy.com · its alternatives →
11
Hopper▲100
Hi HN, we’re Sai and Aayush, and we’re building Hypercubic (https://www.hypercubic.ai/), bringing AI tools to the mainframe and COBOL world. (We did a Launch HN last year: https://news.ycombinator.com/item?id=45877517.) Today we’re launching Hopper, an agentic development environment for mainframes. You can download it here: https://www.hypercubic.ai/hopper, and you can also request access and immediately get a mainframe user account to play with. There's also a video runthrough at https://www.youtube.com/watch?v=q81L5DcfBvE.…
May 2026 · hypercubic.ai · its alternatives →
12
Origin▲131
AI-powered confidential dev environment focused on privacy
Apr 2026 · orgn.com · its alternatives →
13
Cortex▲70
Run multiple claude-code agents from YAML config
Jan 2026 · cortex-cli.vercel.app · its alternatives →
14
Strix - Open-source AI hackers for your apps▲102
I built an open-source AI agent for security testing to find and fix vulnerabilities in your code. I’ve noticed how bad security vulnerabilities have gotten with everyone shipping AI code slop, so I wanted to build something that allows for vibe-coding at full speed without compromising security. Traditional security tools aren’t effective, and manual pen-testing can’t keep up with the rapidly growing AI code This tool runs your code dynamically, finds vulnerabilities, and validates them through actual exploitation. You can either run it against your codebase or enter your (or someone…
2025 · github.com · its alternatives →
15
Cerberus▲78
Cursor for AI hacking that can't go out of scope
Apr 2026 · c7-security.com · its alternatives →
16
OpenAI/reflect – Physical AI Assistant that illuminates your life▲92
I have been working on making WebRTC + Embedded Devices easier for a few years. This is a hackathon project that pulled some of that together. I hope others build on it/it inspires them to play with hardware. I worked on it with two other people and I had a lot of fun with some of the ideas that came out of it. * Extendable/hackable - I tried to keep the code as simple as possible so others can fork/modify easily. * Communicate with light. With function calling it changes the light bulb, so it can match your mood or feelings. * Populate info from clients you control. I wanted…
2025 · github.com · its alternatives →
17
Mission Control – Open-source task management for AI agents▲45
I've been delegating work to Claude Code for the past few months, and it's been genuinely transformative—but managing multiple agents doing different things became chaos. No tool existed for this workflow, so I built one. The Problem When you're working with AI agents (Claude Code, Cursor, Windsurf), you end up in a weird situation: - You have tasks scattered across your head, Slack, email, and the CLI - Agents need clear work items, context, and role-specific instructions - You have no visibility into what agents are actually doing - Failed tasks just... disappear. No retry, no notification…
Feb 2026 · github.com · its alternatives →
18
Output▲97
Hey HN, After months of building, we're excited to share Output — the first AI agent that can truly control your computer. You can speak or type instructions like: “Fill out this job application using the info in this PDF” “Edit this video in DaVinci Resolve” “Schedule a Zoom call and send the invite” Output understands your intent and directly clicks, types, and navigates apps across your system — without relying on scripts, plugins, or integrations. It's like giving your computer a brain. Works on both Mac and Windows No setup or scripting required Handles real apps like Chrome, Excel,…
2025 · theoutput.co · its alternatives →
19
Matrix OSfree tier▲26
Matrix OS is an AI-native operating system: self-creating, self-healing, and self-expanding. The Claude Agent SDK is the literal kernel: CPU => Claude Opus 4.6 RAM => Context window (1M tokens) Kernel => Main agent + 26 IPC tools Processes => 5 sub-agents Disk => ~/apps, ~/data, ~/system Syscalls => Read, Write, Edit, Bash Drivers => MCP servers IPC => File coordination Break something, the healer agent repairs it. Need a new capability, the OS writes its own agents and skills. Describe an app, it appears as a file you own. The bigger vision is Web 4: OS + messaging + social +…
Sep 2026 · matrix-os.com · its alternatives →
20
spacecake▲79
Run Claude Code agents in terminal with a visual editor
Feb 2026 · spacecake.ai · its alternatives →
21IB
I built a Matrix themed AI hacking game▲24
2025 · matrix.repello.ai · its alternatives →
22
Cut and Hack▲55
The worlds first choice-driven abstract hacking simulator
2015 · play.google.com · its alternatives →
23
RewardHackBench: Using sandboxes to stop agents from cheating▲9
hey all, happy to share research i've been working on for islo.dev in recent months. ever since the cheating agents (https://debugml.github.io/cheating-agents/) paper came out, revealing reward hacking was 4x more prevalent than previously estimated, i've been looking into how we can deal with the issue the common approach (taken by the tbench team) is post hoc trajectory analysis. i've been interested in the idea of reframing the problem as an endpoint security problem and tackling it via sandbox i hope you find it interesting, and thanks to the islo.dev team for…
Jun 2026 · github.com · its alternatives →
24
Control▲5
The agentic AI that lives on your computer.
Jun 2026 · control-website.vercel.app · 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 →