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.

CDN & Edge Caching

The 3 Best Fastly Alternatives in 2026

Name: App Stack Builder
Availability: InStock

Looking for an alternative to Fastly? Below we compare the best cdn & edge caching alternatives by pricing, free tiers, and what each is best for — so you can pick the right fit for your budget and stack.

Why look for a Fastly alternative?

Fastly is a solid cdn & edge caching choice, but it isn't the right fit for everyone. The most common reasons teams evaluate alternatives:

−Per-GB rates are several times Bunny's
−Packages start at $1,500/month
−VCL is a learning curve of its own

Fastly vs Alternatives — Quick Comparison

Tool	Pricing	Free tier	Rating	Best for
FastlyYou searched	Free · paid from $1500/mo		4.5	CDN & Edge Caching — edge-compute, wasm
1.Bunny CDN	Free · then usage-based		4.8	CDN & Edge Caching — pay-as-you-go, low-cost
2.Cloudflare CDN	Free · paid from $25/mo		4.5	CDN & Edge Caching — edge, ddos
3.Akamai	Usage-based	—	4.4	CDN & Edge Caching — enterprise, media-delivery

Top Fastly Alternatives, Explained

1. Bunny CDN

Free tier4.8· Free · then usage-based

Bunny.net is the low-cost, no-contract CDN. The standard network of 119 PoPs charges $0.01/GB in Europe and North America, $0.03 in Asia and Oceania, $0.045 in South America and $0.06 in the Middle East and Africa. A 10-PoP volume network drops to $0.005/GB for heavy bandwidth. There are no request fees and the monthly minimum is $1. It also sells storage, image optimisation and video streaming as add-ons on the same account, and a 14-day trial needs no card.

Among the lowest per-GB rates of any CDN
No request fees and a $1 minimum
Storage, image optimisation and video on one bill

Bunny CDN pricing & review Fastly vs Bunny CDN

2. Cloudflare CDN

Free tier4.5· Free · paid from $25/mo

Cloudflare proxies your domain through its global anycast network and caches what it can at the edge. The headline is that CDN bandwidth is not metered on any plan, including Free, so a traffic spike does not become a bill. Plans are per domain (zone): Free, Pro at $25/month ($20 billed annually) for the managed WAF ruleset and image optimisation, Business at $250/month ($200 annually) for custom certificates and a 100% uptime SLA, and Enterprise by quote. Workers, R2 and Images are billed separately by usage.

Bandwidth is not metered on any plan, including Free
DNS, DDoS protection and WAF come with the CDN
Largest free tier in the category by a wide margin

Cloudflare CDN pricing & review Fastly vs Cloudflare CDN

3. Akamai

4.4· Usage-based

Akamai has been delivering content since 1998 and still runs one of the largest edge footprints, embedded deep inside ISP networks. It sells delivery, media streaming and a strong security line (WAF, bot management, DDoS) to banks, broadcasters and large retailers. Delivery and security pricing is quote-only on annual commitments. Akamai also owns Linode, now Akamai Cloud, which does publish self-serve compute prices.

Edge presence inside ISP networks for very low latency
Mature security and bot-management products
Proven for live events at huge scale

Akamai pricing & review Fastly vs Akamai

Frequently Asked Questions

What are the best alternatives to Fastly in 2026?⌄

The best Fastly alternatives in 2026 are Bunny CDN, Cloudflare CDN, Akamai. Each is a cdn & edge caching option you can compare on pricing, free tiers, and features in the table above.

Is there a free alternative to Fastly?⌄

Yes — Bunny CDN, Cloudflare CDN offer free tiers, making them strong free Fastly alternatives for bootstrapped startups.

Why look for a Fastly alternative?⌄

A common reason teams switch is per-gb rates are several times bunny's. Beyond that, people compare cdn & edge caching tools on pricing, specific feature gaps, ease of use, and whether an open-source or free-tier option exists — so they can pick the best fit for their stack and budget.

What is the cheapest Fastly alternative?⌄

Bunny CDN is among the most affordable Fastly alternatives — free · then usage-based. Check the comparison table above for the full pricing breakdown.

Which Fastly alternative is rated highest?⌄

Bunny CDN is the highest-rated Fastly alternative in our catalog at 4.8 out of 5, making it a strong pick if you want a well-reviewed option.