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.

E-SignatureFree tier

Documenso: Pricing, Features & Alternatives

Name: App Stack Builder
Availability: InStock

Documenso is an open-source e-signature platform built with TypeScript, React and PostgreSQL, licensed AGPL-3.0, with about 15,600 GitHub stars. You can run it on your own servers, which keeps signed documents and audit logs in your own database, or use the hosted service. It covers templates, multiple recipients, signing order, an audit log, and an API with webhooks for sending documents from your own app.

The hosted Free plan allows 5 documents a month with up to 10 recipients each and needs no card. Individual is $25 a month ($300 a year) with unlimited documents and API access for personal use. Teams is $40 a month for 5 users plus $8 per extra user, and Platform is $250 a month with unlimited users, unlimited API use and white-label embedded signing. Enterprise and commercial self-hosted licences are quoted. As of October 2026.

Documenso Pricing Plans (2026)

Plan	Price	Highlights
Free	Free	5 documents a month · Up to 10 recipients per document · No card required
Individual	$25 / month	Unlimited documents · API for personal use · Templates
TeamsPopular	$40 / month (5 users)	5 users included, $8 per extra user · Unlimited documents · API and webhooks for automation
Platform	$250 / month	Unlimited users · Unlimited API access · White-label embedded signing
Self-hosted	Free (AGPL-3.0)	Run on your own servers · Unlimited signatures · Commercial licence available

Pricing summary: Free · paid from $25/mo. Always confirm current pricing on the official site.

Key Documenso Features

5 users included, $8 per extra user
Unlimited documents
API and webhooks for automation
Team workspace

Pros

+Open source and self-hostable
+Free hosted plan with no card
+Flat team pricing instead of per-envelope caps

Cons

−AGPL licence matters if you modify and host it for others
−Younger product with fewer integrations
−Free plan limited to 5 documents a month

Best Documenso Alternatives

Compare all

DocuSeal

Free · paid from $20/user/mo

Docusign

From $11/mo

Dropbox Sign

From $15/mo

Documenso Compared

Documenso vs DocuSeal Documenso vs Docusign Documenso vs Dropbox Sign

Documenso FAQ

What is Documenso used for?⌄

Documenso is a e-signature tool. Open-source Docusign alternative (AGPL-3.0). Free hosted plan for 5 documents a month, unlimited documents from $25 a month, or self-host it for free.

Is Documenso free?⌄

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

How much does Documenso cost?⌄

Documenso offers a free tier, with paid plans starting at $25/month.

What are the best Documenso alternatives?⌄

Popular Documenso alternatives include DocuSeal, Docusign, Dropbox Sign. Compare pricing and features on our Documenso alternatives page.