What is App Stack Builder?

App Stack Builder is a free AI-powered tool that helps founders and developers choose the right tech stack for their projects based on budget, app type, team size, and skill level.

What is the best tech stack for SaaS in 2026?

The best tech stack for SaaS in 2026 typically includes Next.js 16 for frontend, Supabase for database and auth, Vercel for hosting, Stripe for payments, and PostHog for analytics. App Stack Builder can generate a personalized recommendation based on your specific budget and requirements.

Is App Stack Builder free to use?

Yes, App Stack Builder is completely free to use. You can generate unlimited tech stack recommendations without any cost.

What types of apps can I build with the recommended stacks?

App Stack Builder supports various app types including SaaS applications, web apps, mobile apps, e-commerce stores, internal tools, and AI/ML products.

How much does a SaaS tech stack cost per month?

A modern SaaS tech stack can cost anywhere from $0-50/month for bootstrapped startups using free tiers, $100-300/month for growth-stage startups, to $500+/month for enterprise-ready infrastructure. App Stack Builder helps you find the best tools within your specific budget.

What is the best tech stack for solo founders?

For solo founders, we recommend Next.js + Vercel (free), Supabase (free tier), Supabase Auth (free), Stripe (pay as you go), and Plausible or PostHog for analytics. This stack can run your entire SaaS for under $50/month.

Can I export my tech stack recommendations?

Yes, you can export your tech stack recommendations as a PDF document or copy them to your clipboard. You can also share a link to your stack with others.

Caching & Serverless RedisFree tier

Dragonfly: Pricing, Features & Alternatives

Dragonfly is a drop-in Redis and Memcached replacement written to use every CPU core, so a single node handles workloads that would need a Redis cluster. The source is available under the BSL and free to self-host. Dragonfly Cloud starts at $36/month on the Flex plan with one-click scaling and a free trial; Business, with SSO, compliance and dedicated support, starts at $2,000/month.

Dragonfly Pricing Plans (2026)

Plan	Price	Highlights
Community (self-hosted)	$0	Redis and Memcached compatible · Multi-threaded, single node
Cloud FlexPopular	From $36 / month	Fully managed · Horizontal and vertical scaling · Free trial
Cloud Business	From $2,000 / month	SSO and MFA · Compliance · Dedicated support

Pricing summary: Free · paid from $36/mo. Always confirm current pricing on the official site.

Key Dragonfly Features

Fully managed
Horizontal and vertical scaling
Free trial

Pros

+Uses all CPU cores, so one node replaces a small Redis cluster
+Works with existing Redis clients
+Lower memory use per key than Redis

Cons

−BSL licence, not OSI open source
−A few Redis commands and modules are unsupported
−Managed cloud is younger than Redis Cloud

Best Dragonfly Alternatives

Compare all

Upstash Redis

Free · paid from $10/mo

Redis Cloud

Free · paid from $5/mo

Momento

Usage-based

Dragonfly Compared

Dragonfly vs Upstash Redis Dragonfly vs Momento Dragonfly vs Redis Cloud

Dragonfly FAQ

What is Dragonfly used for?⌄

Dragonfly is a caching & serverless redis tool. A multi-threaded, Redis-compatible in-memory store that runs far more ops per node. Free to self-host; Cloud from $36/month.

Is Dragonfly free?⌄

Yes — Dragonfly has a free tier you can start with, and paid plans for more usage and features.

How much does Dragonfly cost?⌄

Dragonfly offers a free tier, with paid plans starting at $36/month.

What are the best Dragonfly alternatives?⌄

Popular Dragonfly alternatives include Upstash Redis, Redis Cloud, Momento. Compare pricing and features on our Dragonfly alternatives page.