Services
About
Portfolio
Careers
Blog
Get in touch
>Services
>About
>Portfolio
>Careers
>Blog

>> Browse services

>_ProductScope StudioFrom an idea to a shareable PRD_> Open_> Open
>>>Build new0 to 1: MVPs, SaaS, AI features
>>View Build path>Generative AI Solutions>PoC/MVP Development>SaaS Development
>>>Modernize and scale1 to 100: prototype-to-prod, backlog, hybrid
>>View Modernize path>End-to-end Software Development>Prototype to Production>Hybrid Teams
>>>Cross-cuttingStrategy and investor support
>For Investors>Product Consulting
All services hub
Get in touch

Contact

contact@apptension.com+48 793 925 552sales@apptension.com

Company Information

Apptension sp. z o.o.
Górecka 1
60-201 Poznań, Poland
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

_> For builders

Builder's Toolkit_

>> Ship faster with battle-tested tools. 300+ hours saved per project with our open source SaaS Boilerplate.

300+ Hours

Development Time Saved

Skip months of repetitive setup. Auth, payments, multi-tenancy - all production-ready from day one.

9,000+

GitHub Stars

Trusted by developers worldwide. Our open source tools power startups and enterprises alike.

Senior

Engineers Only

Built by our 30+ senior engineers with 10+ years experience. Enterprise-grade, no shortcuts.

Open Source

SaaS Boilerplate

>> Ship production-ready SaaS at enterprise scale

Skip 300+ hours of repetitive setup. The same foundation we use to ship enterprise-grade software for Fortune 500 clients - now open source.

Enterprise auth: OAuth, WebAuthn, SAML 2.0, SCIM sync
Stripe billing with trials, grace periods, and admin refunds
Multi-tenant workspaces with fine-grained RBAC
Governed AI agents via MCP with AWS production deploy
CFO-grade forecasting, multi-currency, and audit trails
AWS CDK infrastructure with auto-scaling and CI/CD
2,934
GitHub Stars
412
Forks
300+
Hours Saved
Free Template

SaaS P&L Model

>> Early-stage financial projections for SaaS apps

Model user growth, subscriptions, revenue, costs, and cash runway over 36 months. Built from our experience with 360+ SaaS projects - now free for founders.

36-month financial projections
User growth & subscription modeling
Revenue recognition (cash vs accrual)
COGS, Opex & EBITDA calculations
Cash runway & break-even analysis
36
Months
6
Sheets
€2.45M
Y3 Revenue*
* Sample projection with default assumptions

>> Premium Resources

Industry insights from 400+ respondents, expert guides, and battle-tested checklists. The same knowledge we use to deliver 360+ projects.

View all
SaaS Trendbook 2024
Report45 pages

SaaS Trendbook 2024

Industry insights from 400+ respondents

Comprehensive SaaS industry report with insights from 400+ professionals.

  • Top industry challenges & proven solutions
  • Investment patterns & funding insights
  • AI integration trends & ROI data
Download Report
DesignOps E-book
E-book52 pages

DesignOps E-book

Expert interviews from VMware, IBM, and more

Complete guide to DesignOps with expert interviews from industry leaders.

  • 3 pillars of DesignOps framework
  • VMware, IBM expert interviews
  • Implementation playbooks
Download E-book
Development Checklist
Checklist12 pages

Development Checklist

Battle-tested from 360+ projects

Essential checklist for successful software development projects.

  • Project setup essentials
  • Security & compliance checks
  • Testing & QA validation
Download Checklist
View all resources

_> Events

EXEC DINNERS

View all events

Private dinners for select CTOs, Heads of Engineering, and Product & Tech Leaders in London, Berlin, and beyond. No panels. No pitches - just the friction points: AI as baseline, what we refuse to automate, agents, data, and the human premium.

Recent Events • 150+ attendees

March 26, 2026London, UK

London Executive Dinner 8.0: Building Smarter for 2026

What we refuse to automateCognitive load vs. real value
10
March 18, 2026Berlin, Germany

Berlin Executive Dinner 6.0: Building Smarter in 2026

AI proficiency as prerequisiteCraft, speed & technical debt
8
January 8, 2026Berlin, Germany

Berlin Executive Dinner 5.0

2025 in RetrospectAI in the Real World
12

Open Source Contributions

We're devoted to open source. Building tools and sharing knowledge with the developer community.

developer-handbook

An opinionated guide on how to become a professional Web/Mobile App Developer.

5,959
637
Markdown

saas-boilerplate

Open Source and free SaaS stack that lets you build SaaS products faster in React, Django and AWS. Focus on essential business logic instead of coding repeatable features!

2,934
412
TypeScript

tech-radar

Our technology radar showcasing tools, frameworks, and technologies we use.

36
10
HTML

ALPack

All-in-one solution for building efficient web applications using GraphQL API, Authentication, Emails with React, and Mantine UI.

27
9
TypeScript

django-restauth

Django REST User boilerplate with JWT authentication, user registration, profile management, and more.

19
5
Python

onetimepass

CLI client for RFC 4226's HOTP and RFC 6238's TOTP. Manage OTP codes and generate master keys with optional keychain integration.

14
2
Python

create-saas-boilerplate

Set up a new SaaS app by running one command. CLI tool to quickly initialize SaaS Boilerplate projects.

10
2
TypeScript
View All Repositories

>> Explore the Toolkit

Everything you need to ship enterprise-grade software faster

01

SaaS Boilerplate

300+ hours saved

Explore
02

SaaS P&L Model

36-month projections

Explore
03

Resources

Guides & reports

Explore
04

Events

EXEC DINNERS

Explore
05

Open Source

9,000+ stars

Explore

Ready to ship faster?

Need more than open source tools? Our senior-only team delivers enterprise-grade software with startup speed. 360+ projects since 2012. Month-to-month terms.

contact@apptension.com+48 533 352 052

Services

  • Generative AI Solutions
  • PoC/MVP Development
  • End-to-end Software Development
  • Prototype to Production
  • SaaS Development
  • Hybrid Teams
  • For Investors
  • Product Consulting

Builder's Toolkit

  • Builder's Toolkit
  • SaaS Boilerplate
  • SaaS P&L Model
  • Resources
  • Guides
  • Events
  • Open Source
  • Discord Community

Company

  • About Us
  • Portfolio
  • Careers
  • Blog
  • Get in touch

Company Information

Apptension sp. z o.o.
Górecka 1
60-201 Poznań, Poland
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

© 2026 Apptension. All rights reserved.

Privacy PolicyTech Radar