Foundation Base

Start from working, not from scratch.

Free, open-source app foundations you can use now, customize with AI, and deploy as your own.

Find My AppSee How It Works
40 complete apps39 ready to useOpen source
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Need help choosing?No chat. Just shortcuts.
Recommend a FoundationI know what I want to buildExplain Foundation BaseShow local-first apps
CRMPlannerKanbanInventoryBudgetHabitsInvoiceWorkoutNutrition

Pick a working app. Make it yours.

Try the shared demo, create your editable copy, customize with AI, deploy your App Link, and install your version.

1

Try Demo

Use the original Foundation Base demo.

2

Create My App

Create the editable source package.

3

Customize with AI

Open the folder in Claude Code, Codex, Cursor, or another coding agent.

4

Deploy App Link

Publish your own stable URL.

5

Install Your Version

Add your deployed App Link to your phone or desktop.

From foundation to your app

Start with a working app. Let your AI agent customize it. Deploy your own App Link and install your version.

Foundation Base Demo

  • Original app
  • Safe to try
  • Shared starting point

Your App

  • Your source code
  • Your changes
  • Your deployed App Link
  • Your installed version
Watch the full walkthrough

Find the right starting point

Choose by intent first, then create your copy when a foundation matches the job.

Browse all

Best first foundations

Easy entry points when you want a useful owned app quickly.

KNProduction Ready

/productivity / updated Jul 10, 2026

Kanban Board Template App

v1.0.0

A clean, installable Kanban board template for projects, personal work, content calendars, software boards, CRM pipelines, household tasks, and startup operating boards.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+2
project planning, personal tasksBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

HAProduction Ready

/personal / updated Jul 2, 2026

Habit Tracker

v1.0.0

A calm habit tracker with a seven-day grid, one-tap check-ins, and streaks computed from what you actually did.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private personal apps, owned dataBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

BTProduction Ready

/personal / updated Jul 4, 2026

Baby Tracker

v1.0.0

A baby feeding, sleep, and diaper tracker built for one-handed 3am logging — with daily totals and a history you can read out at every checkup.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private personal apps, owned dataBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

EXProduction Ready

/finance / updated Jul 2, 2026

Expense Tracker

v1.0.0

A fast expense logger with categories, a monthly budget, and a breakdown that shows exactly where the money went.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private money workflows, local-first trackingBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

CRProduction Ready

/crm / updated Jun 29, 2026

Personal CRM

v1.0.0

A private CRM foundation for people, conversations, reminders, notes, and lightweight relationship history.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
relationship follow-up, sales-lite pipelinesBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

Best for building a business

Starting points for services, products, client work, and operations.

CPProduction Ready

/business / updated Jun 29, 2026

Client Portal

v1.0.0

A polished portal foundation for agencies, consultants, and service businesses that need private client workspaces.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
service businesses, foundersBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

INProduction Ready

/finance / updated Jul 1, 2026

Invoice & Estimates

v1.0.0

A billing document foundation for estimates, invoices, client approval, payment links, and clean PDF output.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private money workflows, local-first trackingBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

SAProduction Ready

/business / updated Jun 29, 2026

SaaS Foundation

v1.0.0

A production-ready SaaS foundation with teams, billing, onboarding, settings, email, and clear agent guidance.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
service businesses, foundersBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

JBProduction Ready

/business / updated Jul 1, 2026

Job Board

v1.0.0

A job board foundation for curated roles, company profiles, application links, saved searches, and category pages.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
service businesses, foundersBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

MKProduction Ready

/developer-tools / updated Jul 1, 2026

Marketplace Foundation

v1.0.0

A marketplace storefront foundation for curated catalogs, searchable listings, detail pages, and buyer confidence.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
builders, internal toolsBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

Best for personal systems

Private workflows you can run locally, adapt, and install as your own.

OSProduction Ready

/productivity / updated Jun 29, 2026

Personal Operating System

v1.0.0

A flexible personal system foundation for daily planning, projects, notes, habits, and review loops.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
personal systems, daily planningBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

FWIn Development

/productivity / updated Jul 8, 2026

Foundation Workspace

v0.1.0

An open source Notion-style workspace template for nested pages, block-style documents, lightweight databases, publishing, embeds, self-hosting, and AI customization.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+5
personal systems, daily planningBest forApache-2.0License
10 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

HAProduction Ready

/personal / updated Jul 2, 2026

Habit Tracker

v1.0.0

A calm habit tracker with a seven-day grid, one-tap check-ins, and streaks computed from what you actually did.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private personal apps, owned dataBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

BKProduction Ready

/personal / updated Jul 4, 2026

Book Tracker

v1.0.0

A reading tracker with to-read, reading, and finished shelves, page-level progress bars, star ratings, and a yearly reading goal.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private personal apps, owned dataBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

REProduction Ready

/personal / updated Jul 2, 2026

Recipe Box

v1.0.0

A recipe manager with tags, full-text search, and a one-click path from ingredients to shopping list.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
private personal apps, owned dataBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

Best for AI customization

Foundations with clear surfaces for an agent to reshape safely.

AIProduction Ready

/ai / updated Jul 1, 2026

Agent Workbench

v1.0.0

An AI-native foundation for managing agent runs, prompt recipes, generated artifacts, and review loops.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
agent workflows, prompt systemsBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

FWIn Development

/productivity / updated Jul 8, 2026

Foundation Workspace

v0.1.0

An open source Notion-style workspace template for nested pages, block-style documents, lightweight databases, publishing, embeds, self-hosting, and AI customization.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+5
personal systems, daily planningBest forApache-2.0License
10 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

MKProduction Ready

/developer-tools / updated Jul 1, 2026

Marketplace Foundation

v1.0.0

A marketplace storefront foundation for curated catalogs, searchable listings, detail pages, and buyer confidence.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
builders, internal toolsBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

CRProduction Ready

/crm / updated Jun 29, 2026

Personal CRM

v1.0.0

A private CRM foundation for people, conversations, reminders, notes, and lightweight relationship history.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
relationship follow-up, sales-lite pipelinesBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

ADProduction Ready

/developer-tools / updated Jul 1, 2026

Internal Admin Dashboard

v1.0.0

A practical internal tools foundation with resource tables, record editors, saved views, permissions, and audit trails.

  • Use it today.
  • Create your editable copy.
  • Customize it with AI.
RunnableAgent-readyInstall-readyDeploy-ready
Next.jsReactTypeScript+1
builders, internal toolsBest forMITLicense
5 min setupAgent-readyApp Link path
Create My AppTry DemoDetails

Creates your editable project with setup files and AI-agent instructions.

Popular Starting Points

Six flagship foundations that make the product model obvious.

View all
KNVerified

Productivity

Kanban Board Template App

A clean, installable Kanban board template for projects, personal work, content calendars, software boards, CRM pipelines, household tasks, and startup operating boards.
Uses
kanban, project-management
Installable
Phone-ready
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jul 10, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

EMVerified

Productivity

Eisenhower Matrix Task Manager

A polished Eisenhower Matrix task manager template with a fast task list, visual four-quadrant matrix, completed history, local persistence, PWA install support, and Create My App guidance.
Uses
eisenhower-matrix, tasks
Installable
Phone-ready
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jul 14, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

OSVerified

Productivity

Personal Operating System

A flexible personal system foundation for daily planning, projects, notes, habits, and review loops.
Uses
planning, tasks
Installable
Install guide
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jun 29, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

CPVerified

Business

Client Portal

A polished portal foundation for agencies, consultants, and service businesses that need private client workspaces.
Uses
clients, files
Installable
Install guide
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jun 29, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

CRVerified

CRM

Personal CRM

A private CRM foundation for people, conversations, reminders, notes, and lightweight relationship history.
Uses
contacts, relationships
Installable
Install guide
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jun 29, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

SAVerified

Business

SaaS Foundation

A production-ready SaaS foundation with teams, billing, onboarding, settings, email, and clear agent guidance.
Uses
saas, billing
Installable
Install guide
Open Source
MIT
Stack
Next.js, React, TypeScript
Last Updated
Jun 29, 2026
Demo
Yes
Create My AppTry Demo

Creates your editable project with setup files and AI-agent instructions.

Built for safe starting points

Every foundation is treated as code, not content. Contributions are reviewed before publication, and foundations are checked for hidden network behavior, unsafe scripts, secrets, and unclear setup paths.

See standards

What You Can Build

Finished products that can start from a Foundation Base app.

Kanban BoardBuilt from Foundation Base

A project board with today views, WIP limits, and planning helpers.

Daily PlannerBuilt from Foundation Base

A private planning surface for today, routines, notes, and review.

CRMBuilt from Foundation Base

A relationship tracker for leads, customers, or personal follow-up.

Budget TrackerBuilt from Foundation Base

A local-first money tool with categories, totals, and export paths.

Invoice ManagerBuilt from Foundation Base

A service-business workflow for estimates, invoices, and clients.

Workout TrackerBuilt from Foundation Base

A training log with sessions, stats, PRs, and routines.

Inventory ManagerBuilt from Foundation Base

A stock and supply tracker for a home, shop, or small team.

Habit TrackerBuilt from Foundation Base

A streak and reflection app you can reshape into your own system.

Browse Categories

Choose the problem area first, then open every foundation in that category.

View categories
PLProductivity

Planning, tasks, docs, calendars, and personal systems.

4 foundationsBZBusiness

Client portals, operations, sales workflows, and internal tools.

6 foundations$Finance

Invoices, estimates, dashboards, and money movement workflows.

6 foundationsHLHealth

Coaching, routines, wellness, logs, and client tracking.

5 foundationsCRCRM

Relationships, pipelines, follow-up loops, and contact systems.

1 foundationsDVDeveloper Tools

Dashboards, docs, admin tools, CLIs, and engineering utilities.

4 foundationsEDEducation

Courses, cohorts, knowledge bases, and study products.

2 foundationsMEPersonal

Local-first private tools for owned workflows.

8 foundationsAIAI

Agent workspaces, prompt systems, retrieval, and AI-native apps.

1 foundationsUTUtilities

Focused tools that solve one workflow cleanly.

3 foundations

Recently Updated

Fresh setup paths, clearer docs, and recent catalog improvements.

History
RBResume Builder/personal / updated Jul 30, 2026FRFreelance Rate Calculator/business / updated Jul 26, 2026BLBlood Pressure Log/health / updated Jul 26, 2026PLPlanting Calendar/personal / updated Jul 26, 2026DMDrawdown Monitor/finance / updated Jul 26, 2026

Why Foundation Base?

The difference is not more prompting. It is starting from software that already works.

Blank AI PromptFoundation Base
Start from nothingStart from working software
Build everythingCustomize existing apps
No installInstall or use immediately
Unknown qualityVerified foundations
Prompt every featureEdit only what you want

Contribute a real foundation.

Share a working app with a live demo, source package, agent files, install path, and the same verification bar as the rest of the catalog.

FB
Built to be owned

No accounts, no hosted lock-in, no fake listings. Submit software someone can run.

Contribute