
supastarter
Suggested
SaaS Boilerplate
MkSaaS
Next Starter AI
ShipAI.today
Nextless.js
Build and deploy production-ready SaaS apps faster with NEXTDEVKIT. Full-stack OpenNext & Next.js template with auth, payments, database & native support for Vercel, Cloudflare Workers, AWS.

TestMu AI (Formerly LambdaTest)
garak
Cypress Cloud
ZeroThreat.ai
Aikido Security
DragonSec.io
pentests.work
Automated AI security testing for agents, chatbots, and APIs. Find prompt injection, data leaks, and unsafe behavior before launch.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | nextdevkit.com | promptbrake.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United Kingdom · 1 - 9 employees · 2025 | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Product Overview NEXTDEVKIT is a comprehensive SaaS starter kit designed to accelerate the development of production-ready applications. Created by a team of experienced developers, it uniquely combines essential features like authentication, payment, landing page, email, storage, blog, docs,...
An AI product can work in a demo and still expose sensitive data or follow malicious instructions. PromptBrake helps teams find these failures before customers do. Test AI agents, chatbots, and LLM-backed APIs with 138 automated checks across 18 attack categories. Run the self-hosted runner...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Validates your real AI release candidate before production
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing NEXTDEVKIT and PromptBrake.
NEXTDEVKIT's answer
Other templates only support Vercel and container platforms, while NEXTDEVKIT natively supports edge platforms like Cloudflare Workers & AWS Serverless
PromptBrake's answer:
PromptBrake brings automated AI security testing, evidence-backed findings, remediation guidance, baseline comparison, and CI release gates into one workflow.
Run 138 checks across 18 attack categories against your AI application using a self-hosted runner inside your infrastructure. Review failures, fix them, and retest before release.
The focus is practical: help teams turn security findings into release decisions while keeping prompts, credentials, responses, and test evidence in their own environment.
NEXTDEVKIT's answer
Currently, only NEXTDEVKIT is a template that natively supports edge platforms like Cloudflare Workers & AWS Serverless, with support for Cloudflare D1, KV, R2 features, as well as AWS RDS and Lambda deployment capabilities
PromptBrake's answer:
Choose PromptBrake for repeatable AI security testing with a maintained test suite, actionable findings, and a self-hosted deployment model.
It helps teams test before launch and after changes to prompts, models, or workflows. Evidence and remediation guidance support fixes, baseline comparison highlights regressions, and CI gates help enforce release criteria.
Evaluate it against your own application during the free trial: three scans over seven days. The paid plan is $499/month for 30 scans and one active runner license.
NEXTDEVKIT's answer
Developers who want to break free from Vercel billing and platform limitations, using a universal tech stack
PromptBrake's answer:
Teams building and releasing AI products: agents, copilots, chatbots, RAG applications, and LLM-backed APIs.
Users include founders, AI product builders, engineering teams, security teams, and agencies delivering AI applications for clients. They need to test for prompt injection, data exposure, and unsafe behavior before launch and repeat those checks as their products change.
PromptBrake is especially relevant when teams want testing and evidence to remain inside their own infrastructure.
NEXTDEVKIT's answer
Solve my own deployment difficulties.
PromptBrake's answer:
PromptBrake addresses a practical gap: an AI product can perform well in a demo yet still expose sensitive information or follow malicious instructions.
The goal is to make security testing a repeatable part of AI product releases. Teams can test their application, inspect evidence, fix failures, and rerun checks after changes.
That focus connects PromptBrake’s free planning resources with its self-hosted runner, findings, baseline comparisons, and CI release gates: helping teams make better-informed decisions before an AI release reaches customers.
NEXTDEVKIT's answer
Next.js + OpenNext + ShadcnUI + TS + TailwindCSS + better-auth + Drizzle
PromptBrake's answer:
PromptBrake uses Python and Flask, with SQLAlchemy for database access and Flask-Migrate/Alembic for migrations. SQLite is the default database.
The interface uses server-rendered Jinja2 templates, JavaScript, and CSS. Gunicorn serves the application, and Docker packages the deployment. Playwright supports browser-based chatbot testing.
The hosted portal integrates Firebase Authentication for identity and Stripe for subscription billing. The self-hosted runner executes security tests inside customer-controlled infrastructure.
NEXTDEVKIT's answer
Share your experience with using NEXTDEVKIT and PromptBrake. For example, how are they different and which one is better?
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